SWIMMING POOL TILES - V Meyer A/S

pools 

SWIMMING POOL TILES 

Uniclass 

L512 

CI/SfB 

(42) Sg3 

August 2007 

Epic 

E223

pools 

index 

2 

pools - index 

CERAMIC 

TECHNICAL 

04 introduction 

06 pools 

12 cladding 

16 fi ttings 

24 technical 

specifi cation charts, 

setting out, colour 

notation & dda 

installation and cleaning

pools 

06 

fi ttings 

16 

cladding 

12 

technical 

24

introduction 

company credentials 

Founded in 1901 H & R Johnson Ltd. is 

the leading manufacturer and supplier of 

ceramic tiles in the UK, with a long history of 

market leadership and industry production 

development. 

Part of the Norcros Group we have sister 

manufacturing bases in South Africa, 

Greece and India with additional offi ces in 

Dubai, USA and Australia. 

In 2001 an investment in excess of 

£35 million allowed us to develop a new fully 

automated production facility on a single 

integrated site in Stoke-on-Trent. 

Our UK factory produces over 5 million 

square metres of ceramic tiles for use in the 

UK and overseas markets. 

H & R Johnson products are used in a wide 

range of commercial and non commercial 

projects and we supply ceramic tiles to 

almost every country of the world. 

Our strength is based on a comprehensive 

portfolio of leading edge quality products 

combined with very high levels of 

customer service. As manufacturers 

we have extremely stringent quality and 

environmental control standards. 

4 

pools - introduction 

In 2006 we created and opened the award 

winning Material Lab design resource 

centre at 10 Great Titchfi eld Street, 

London, offering designers and architects 

an environment where products such as 

ceramics, glass, wallpaper, carpet tiles, 

trims, eco-resins, fabrics and many more 

materials can be explored. 

We have a longstanding commitment to 

environmental management and have had 

a formal environmental policy since 1992. 

Our environmental management system is 

certifi ed against the ISO14001 standard. 

We were the fi rst ceramics company within 

the whitewares sector to gain certifi cation 

against the ISO14001 standard in 1998 

and have since successfully upgraded our 

certifi cation to meet the latest requirements 

of ISO14001:2004. We are the only UK 

wall tile manufacturer to have ISO14001 

accreditation. 

The company has never been subject to 

any prosecutions or formal environmental 

regulatory action for any breaches of 

environmental legislation. 

In 1997 H & R Johnson were awarded 

the Queens Award for Environmental 

Achievement for our ceramic waste 

recycling scheme. 

To our knowledge we are the only 

manufacturer in the world to operate such 

a scheme. This scheme which has been in 

continuous use since 1992 also enabled 

H & R Johnson to win the Manufacturing 

Industry Achievement Award for 

Environmentalist of the Year in 1997. 

Approximately 25% of the material used to 

produce our wall tiles comes from recycled 

ceramic materials from our own and other 

local companies. 

Various recycling and energy saving 

schemes throughout our production and 

offi ce processes allow us each year to: 

Save 20,000 tonnes of ceramic landfi ll from 

our own and local ceramic factory waste 

saving 360 tonnes of CO in transportation 

2 

of materials 

Save 1250 tonnes of virgin timber 

Use 92% recycled materials in our 

packaging 

Re-use 32 million litres of water (30% of the 

total factory usage) 

Save 42 million kWh of energy 

Save 2400 tonnes of CO2 Our energy and material savings are 

detailed in our “Ceramic Tile Environmental 

Strategy” document.

Recycling - responsible manufacturing 

Material Lab - London 

Crosby Leisure Centre

St Edmundsbury Leisure Centre - Suffolk

pools 

The Architectural range of swimming pool tiles are pressed glazed porcelain and offer much greater 

accuracy of size and strength of body when compared to extruded swimming pool tank tiles. 

The dimensional accuracy of the pool tank tiles allows creation of a 250 x 125 x 8mm standard module 

with the incorporation of a 3mm wide joint. The use of a 3mm wide joint results in fi nancial savings on 

installation and grouting costs. The package is supplemented by a comprehensive range of pool fi ttings 

which allow the creation of almost any pool detail. 

Product information (see example below) is provided to assist in the specifi cation and suitability of 

products. These recommendations are generic only, please contact our technical advisory service for 

specifi c guidance on fi tness for purpose applications Tel: 0845 210 3000. 

SPECIFICATION 

Wall Floor Other Material Finish 

Internal & External - Pools Glazed Porcelain Gloss

pools 

architectural gloss 

AVAILABILITY 

250 x 125 x 8mm 

8 

pools - architectural gloss 

ARCH3 Grey 

ARCH4 Green 

ARCH6 Yellow ARCH11 Brick Red 

ARCH12 Emerald Green 

SPECIFICATION 

ARCH14 Cream 



ARCH1 White 

ARCH2 Black 

ARCH8 Orient Blue 

ARCH9 Dark Blue ARCH15 Sapphire Blue 

gloss 

Easton Pool - Bristol

gritted 

Oswestry Hydrotherapy Pool - Shropshire

ARCG1 White Gritted 

ARCG2 Black Gritted 

ARCG8 Orient Blue Gritted 

ARCG9 Dark Blue Gritted ARCG15 Sapphire Blue Gritted 

SPECIFICATION 


Internal & External - Pools Glazed Porcelain Gritted 

AVAILABILITY 

250 x 125 x 8mm 

pools 

architectural gritted 

Gritted fi nish Architectural tiles are 

suitable for pool end wall turning 

pads and pool fl oors where the water 

depth is 450mm to 850mm 

(see page 27 for more information). 

pools - architectural gritted 

11

Peabody Trust - London

cladding 

Our range of brightly coloured Architectural glazed porcelain tiles are perfectly suited to external cladding 

projects such as underpasses, pedestrian subways or other areas subject to frost. 




SPECIFICATION 



cladding 

Peabody Trust - London 

ARCH3 Grey 

ARCH4 Green 

ARCH6 Yellow ARCH11 Brick Red 

ARCH12 Emerald Green 

ARCH14 Cream

ARCH1 White 

ARCH2 Black 

ARCH9 Dark Blue ARCH15 Sapphire Blue 

SPECIFICATION 

ARCH8 Orient Blue 


Internal & External - Pools Glazed Porcelain Gloss 

pools 

architectural cladding 

AVAILABILITY 

250 x 125 x 8mm 

pools - architectural cladding 

15

fi ttings 

All pool edge fi ttings are pre-fi re rectifi ed for accuracy. 




SPECIFICATION 


- Internal Pools Un-Glazed Vitrifi ed Natural 

FLOOR VALUES 

Pendulum R Value V Value Wet Ramp Traffi c 

- - - - Commercial

pools 

fi ttings 

18 

pools - fi ttings 

5730 Ivory/Blue Finger Grip Edging 

5730 Ivory/Black Finger Grip Edging 

250 x 125 x 28mm 



125 x 125 x 28mm 



250 x 250 x 28mm 



250 x 250 x 28mm 



125 x 125 x 28mm 



250 x 250 x 28mm 



250 x 125 x 28mm 



250 x 250 x 28mm 

SPECIFICATION 


- Internal Pools Un-Glazed Vitrifi ed Natural 

FLOOR VALUES 


- - - - Commercial



250 x 125 x 50mm 



125 x 125 x 50mm 

5620 Ivory/Blue Step Edging 

5620 Ivory/Black Step Edging 

250 x 125 x 13mm 



125 x 125 x 13mm 

continued>> 



125 x 125 x 50mm 



250 x 250 x 50mm 



125 x 125 x 13mm 



250 x 250 x 13mm 

fi ttings 

Easton Pool - Bristol

fi ttings 

Oswestry Hydrotherapy Pool - Shropshire 

3130 Ivory Ribbed Tile 

250 x 125 x 13mm 

4200 Blue Drainage Channel 

4200 Ivory Drainage Channel 

250 x 125 x 25mm 

4300 Ivory Drainage Channel 

250 x 250 x 25mm 

3136 Ivory Ribbed Tile Round Edge 

Long Side 

250 x 125 x 13mm 

4210 Blue Drainage Channel Outlet 

4210 Ivory Drainage Channel Outlet 

250 x 125 x 25mm 

4310 Ivory Drainage Channel Outlet 

250 x 250 x 25mm 

Drainage channel outlets can receive standard stainless steel shower fi ttings.

3525 Blue Shower Incline 

250 x 125 x 30mm 


200 x 125 x 30mm 


125 x 125 x 30mm 

continued>> 


150 x 125 x 30mm 

3539 Blue Shower Incline Intl Corner 

125 x 125 x 30mm 

SPECIFICATION 


- Internal Pools Various Natural 

FLOOR VALUES 


- - - - Commercial 

pools 

fi ttings 


21

pools 

fi ttings 

22 


4000 ARCH8 Orient Blue Channel Skirting 

4000 ARCH1 White Channel Skirting 

250 x 100 x 40mm 

4112 ARCH8 Orient Blue 3-way Intl Cove 

4112 ARCH1 White 3-way Intl Cove 

50 x 50 x 9mm 

4111 ARCH8 Orient Blue Intl Cove 

4111 ARCH1 White Intl Cove 

250 x 50 x 9mm 

4040 ARCH8 Orient Blue Extl Corner 

4040 ARCH1 White Extl Corner 

250 x 40 x 10mm 

9983 ARCH8 Orient Blue 3-way Extl Corner 

9983 ARCH1 White 3-way Extl Corner 

40 x 40 x 9mm 

9826 ARCH8 Orient Blue Extl Corner 

9826 ARCH1 White Extl Corner 

250 x 50 x 9mm 

9502 ARCH8 Orient Blue Grating Support 

9502 ARCH1 White Grating Support 

250 x 115 x 10mm 

4113 ARCH8 Orient Blue 3-way Cove 

4113 ARCH1 White 3-way Cove 

72 x 72 x 9mm 

SPECIFICATION 


Internal & External - Pools Various Gloss

RES (Round Edge Short Side) 

250 x 125 x 8mm 

ARCS1 White 

ARCS2 Black 

ARCS8 Orient Blue 

ARCS9 Dark Blue 

ARCS15 Sapphire Blue 

REL (Round Edge Long Side) 

250 x 125 x 8mm 

ARCL1 White 

ARCL2 Black 

ARCL8 Orient Blue 

ARCL9 Dark Blue 

ARCL15 Sapphire Blue 

Depth Markers and Lane Numbers 

Bespoke markers/numbers available to special order. 

Please contact our technical advisory service for more details Tel: 0845 210 3000. 

fi ttings 

Peabody Trust - London

technical 

colour notations 

Code 

ARCH1 

ARCH2 

ARCH3 

ARCH4 

ARCH6 

ARCH8 

ARCH9 

ARCH11 

ARCH12 

ARCH14 

ARCH15 

24 

Colour 

White 

Black 

Grey 

Green 

Yellow 

Orient Blue 

Dark Blue 

Brick Red 

Emerald Green 

Cream 

Sapphire Blue 

Refl ectance Yl 

85.95 

4.47 

45.26 

42.52 

57.55 

59.27 

14.99 

21.22 

18.06 

67.97 

6.66 

NCS Lightness 

0.94 

0.12 

0.70 

0.67 

0.79 

0.80 

0.33 

0.43 

0.38 

0.86 

0.17 

NCS 

0500-N 

9000-N 

3000-N 

2030-B90G 

1070-Y 

1020-B 

4040-R80B 

4030-Y70R 

4040-G 

1020-Y10R 

4550-R70B 

Pantone 

White 

Black 

Cool Grey 6 

337 

116 

290 

NM 7455 

7522 

NM 3425 

155 

2758 

Pantone 

Architectural 

11-0602 

19-0303 

16-0000 

15-5812 

14-0852 

13-4809 

18-3928 

17-1532 

18-6022 

13-0915 

19-3939 

BS4800 

- 

- 

00 A 05 

NM 16 C 33 

NM 10 E 53 

NM 18 E 50 

NM 20 D 45 

NM 04 C 37 

NM 14 E 53 

NM 08 B 15 

NM 22 D 45 

RAL Design 

000 90 00 

000 15 00 

000 70 00 

160 70 25 

085 80 80 

230 70 20 

270 50 30 

040 50 30 

160 40 30 

080 80 30 

290 20 35 

Note: These results are from H & R Johnson internal test reports and are to be used for guidance only. All colour notations marked as 

NM are Nearest Match. 

technical - colour notations 

RAL K5 

9010 

9005 

NM 7004 

NM 6027 

1012 

NM 5024 

5023 

NM 8002 

NM 6024 

1014 

5022

physical properties 

pool and cladding tiles 

Test Standard Requirement Typical Test Value 

fi ttings 

Length/Width 10545-2 (BS6431:Part10/EN98) ±0.75% ±0.5% 

Thickness 10545-2 (BS6431:Part10/EN98) ±5% ±5% 

Straightness of side 10545-2 (BS6431:Part10/EN98) ±0.5% ±0.4% 

Rectangularity 10545-2 (BS6431:Part10/EN98) ±0.6% ±0.5% 

Surface fl atness 10545-2 (BS6431:Part10/EN98) ±0.5% ±0.5% 

Water Absorption 10545-3 (BS6431:Part11/EN99) ≤0.5% ≤0.5% 

Modulus of Rupture 10545-4 (BS6431:Part12/EN100) ≥35N/mm 2 >40N/mm 2 

Thermal Shock 10545-9 (BS6431:Part16/EN104) Pass Pass 

Frost Resistance 10545-12 (BS6431:Part22/EN202) Resistant Resistant 

Fire Rating Class 0 Non Combustable 

UV Colour Resistance Unaffected by light 

Weight/m 2 17kg 

Architectural tiles are classed as BIa products 

Test Standard Requirement Typical Test Value 

Length/Width 10545-2 (BS6431:Part10/EN98) ±1.25% ±0.85% 

Thickness 10545-2 (BS6431:Part10/EN98) ±10% ±10% 

Straightness of side 10545-2 (BS6431:Part10/EN98) ±0.5% ±0.5% 

Rectangularity 10545-2 (BS6431:Part10/EN98) ±1.5% ±1.5% 

Surface fl atness 10545-2 (BS6431:Part10/EN98) ±0.5% ±0.5% 

Water Absorption 10545-3 (BS6431:Part11/EN99) 0.5% to 3% 1.5% to 3% 

Modulus of Rupture 10545-4 (BS6431:Part12/EN100) ≥18N/mm 2 >18N/mm 2 

Thermal Shock 10545-9 (BS6431:Part16/EN104) Pass Pass 

technical 

Fire Rating Class 0 Non Combustable 

Weight/m 2 22kg to 40kg 

Fittings are classed as AI products 

technical - physical properties 

25

technical 

swimming pool setting out 

The internal fi nished dimensions of 

swimming pools are set by FINA (Federation 

Internationale de Natation) for 50m Olympic 

and World Championship pools and by ASA 

(Amateur Swimming Association) for 25m UK 

competition pools. 

Length 

Short Course Championships are swum over 

a course of 25m but pools up to 33.3m are 

also accepted. Long Course Championships 

are swum over a course of 50m. 

Width 

Multiples of 2m (Short Course) and 2.5m 

(Long Course) are recommended with an 

additional 1m to allow for two 0.5m areas 

outside the outer lanes. Short Course Pools 

have a recommended minimum width of 13m 

and a maximum width of 17m whereas Long 

Course Pools are 21m and 25m respectively. 

Depth 

A minimum water depth of 1m is 

recommended for Short Course Pools but 

1.8m is preferred. Long Course Pools have a 

minimum water depth requirement of 1.8m. 

End Walls 

Both end walls should have an anti-slip area 

extending a minimum of 0.8m below the water 

line to enable safe push-off. 

Number of Lanes 

A minimum of 4 and a maximum of 10 (even 

numbers are recommended) for Short Course 

Pools and a minimum of 8 lanes for a Long 

Course Pool. 

26 

technical - setting out 

Diving Pools 

The ideal size of a diving pool is 32m x 21m 

x 5.5m deep but other recommended sizes 

are 25m x 20m and 25m x 16.5m. In practice, 

though, the size of a diving pool is governed 

by the size(s) of other pools in the complex. 

Depths vary according to the height of the 

highest springboard or platform to be used. 

For springboards the minimum water depths 

are: 

1m springboard – 3.5m water depth 

3m springboard – 3.8m water depth 

For platforms the minimum water depths are: 

1m platform – 3.3m water depth 



7.5m platform – 4.5m water depth 


The base of the diving pool should be in a mid 

blue colour for best diver perception of the 

water surface. 

Water Polo 

Minimum length, width and depth vary 

considerably dependant upon the level of 

competition being played. Indicators should 

be located on both long sides, these can 

be incorporated in the tiling scheme for 

‘Freeboard Pools’. For goal lines and halfway 

line a white marker is required (black can be 

used as an alternative). Indicators 2m from the 

goal line are to utilise a red marker, 4m from 

goal line a yellow marker and the 7m shooting 

line a green marker. 

The details given are as H & R Johnson 

understand them and must be checked with 

offi cial sources prior to construction of the 

Swimming Pool shell. Lengths noted above 

are from timing pad to timing pad. 

Please refer to: 

www.fi na.org/rules/english/facilities.php 

www.britishswimming.org

slip resistance 

When specifying products for wet change 

fl oors, shower fl oors or the area surrounding 

a swimming pool tank (pool surround or pool 

deck) aesthetics and ease of cleaning should 

never override safety. 

Correctly specifi ed, installed, cleaned and 

maintained ceramic tiles will give a lifetime of 

slip resistance surface provision. 

Watchpoints 

Floor fi nishes to wet barefoot areas (showers, 

wet change facilities, swimming pool steps 

and pool surrounds): 

Must be slip resistant when wet and have a 

non abrasive surface 

Should be easy to keep clean so that the slip 

resistance of the fl oor material is maintained 

at all times 

Should have a texture that is as comfortable 

as possible for bare feet 

Should be laid to falls 

Should incorporate fl ush drain covers 

wherever possible 

Should use fl oor fi nishes that achieve either 

category “B” or category “C” slip resistance 

when tested by DIN51097 Wet Ramp Test. 

(Category “C” has a greater slip resistance 

than category “B”). In certain locations (pool 

access steps wider than 1m, walk through 

pools, pool surround ramps) only category “C” 

is suitable 

Falls in Floors 

All fl oors in wet barefoot areas should be 

constructed with falls to suitable outlets 

to enable draining of water. HSE guidance 

recommends that fl oors be laid to falls so 

that the majority of the water drains away to 

properly constructed outlets and recommends 

the use of profi led tiles to allow the water 

to collect in the low areas whilst leaving the 

high areas relatively dry or at least above the 

surface of the water. The degree of slope of 

the fl oor depends upon numerous factors 

but, as an example, a minimum fall of 1:50 is 

recommended in the “Specifi ers Handbook 

for Inclusive Design – Internal Floor Finishes” 

available from RIBA bookshops. 

Suitable Products 

(general wet barefoot areas) 

Products with category “B” or “C” slip 

resistance which are detailed in our Kerastar 

(Keramosaic, Gripfoot, Discface, Suretread, 

Diamond or Rocktop), Elements (Sediments 

Textured or Sediments Gritted) and Ceramic 

Mosaic (Touchstone) brochures. 

Suitable Products (submerged areas) 

General Pool Floors 

There are no agreed guidelines on the 

degree of slip resistance for surface fi nishes 

permanently submerged in water (swimming 

pool tanks). Guidance is left to the experience 

and advice of the product manufacturer, 

supplier or installer. 

Once the water has some depth, there is 

an increased damping effect on the legs 

which increasingly renders the concept of 

slip resistance less and less relevant. Also as 

water increases depth to 1m or so buoyancy 

also has an effect. 

H & R Johnson Tiles Ltd product 

recommendations on slip resistance for pool 

tank fl oors are: 

Water depths from 1mm to 450mm (Beach 

type Pools and very shallow Childrens Pools) 

– minimum category “B” when tested by 

DIN51097 Wet Ramp Test. 

Water depths from 450mm to 850mm 

(Childrens Pools or shallow areas of Main 

Pools) – the above specifi cation or our gritted 

pool tank tiles 

Water depths over 850mm – the above 

specifi cation or our plain gloss fi nish pool tiles 

Pool Access Steps, Walk Through Pools 

and Pool Surround Ramps 

Products with category “C” slip resistance 

which are detailed in our Kerastar (Gripfoot, 

Discface, Suretread, Diamond and Rocktop) 

and Elements (Sediments Gritted) brochures. 

technical 

Hydrotherapy Pool Floors 

Entry Steps or Ramps - products with 

category “C” slip resistance which are detailed 

in our Kerastar (Gripfoot, Discface, Suretread, 

Diamond and Rocktop) and Elements 

(Sediments Gritted) brochures. 

Water depths from 1mm to 850mm 

- minimum category “B” when tested by 

DIN51097 Wet Ramp Test. 

Water depths over 850mm as above 

specifi cation or our gritted fi nish pool tiles. 

Jacuzzi Floors and Seats 

Products with category “C” slip resistance 

which are detailed in our Kerastar (Gripfoot, 

Discface, Suretread, Diamond and Rocktop) 

and Elements (Sediments Gritted) brochures. 

For full details on slip resistance values for our 

fl ooring products please refer to the Kerastar, 

Elements or Ceramic Mosaic brochures. 

technical - slip resistance 

27

technical 

installation 

Codes of Practice 

All fi xing of fl oor, cladding and pool lining tiles 

should be in accordance with the following 

codes of practice guidelines: 

BS5385 Part 2 – 2006 (Code of practice for 

the design and installation of external ceramic 

wall tiling and mosaics) 

BS5385 Part 3 – 1989 (Code of practice for 

the design and installation of ceramic fl oor tiles 

and mosaics) 

BS5385 Part 4 – 1992 (Code of practice 

for ceramic tiling and mosaics in specifi c 

conditions) – includes swimming pool tanks 

BS8000 Section 11.1 – 1989 (Workmanship 

on Building Sites, Part 11, Code of practice for 

wall and fl oor tiling) 

Substrates – pool surrounds 

For installation guidance on swimming pool 

surrounds please refer to the installation 

guidance in the Kerastar brochure. 

Substrates – pool linings 

Before tiling is commenced ensure that the 

pool has been water tested and proved to 

be watertight in accordance with BS8007, 

clause 9.2 and that the pool shell and general 

conditions are suitable before rendering and 

screeds are applied or before tiling. 

It must also be ascertained that the correct 

minimum curing periods have been observed 

for all substrates: 

Completion of pool shell to commencement 

of rendering/screeding/tiling (for direct to 

concrete installation) – 6 weeks 

Completion of rendering/screeding to 

commencement of tiling – 3 weeks 

Completion of tiling to commencement of 

grouting – 3 days 

Completion of grouting and sealing of any 

movement joints to fi lling of pool – 3 weeks 

28 

technical - installation 

Accuracy of the substrate must be checked 

to ensure that the guidance given in BS5385 

has been achieved i.e. “local variations in level 

for a nominally fl at fl oor or wall should be such 

that, when checked with a 2m straightedge, 

any gap under the straightedge between 

points of contact does not exceed 3mm”. 

Movement Joints in Pool Linings 

The location, type and scope of all movement 

joints must be ascertained prior to any fi xing 

works. Structural joints in pool linings are 

uncommon but where they exist they should 

be followed through to the face of the tile 

at full width. Intermediate movement joints 

(minimum 6mm wide) should be situated at: 

Changes of plane (including internal wall/fl oor 

junctions, fl oor/fl oor junctions and wall/wall 

junctions) 

Where tiling abuts other materials 

Maximum 6m continuous bays along the pool 

fl oor and up the pool walls 

Intermediate movement joints in pool linings 

are the thickness of the tile and adhesive 

bed only. 

Movement joints should be fi lled with a 

suitable backer, bond breaker and fi ller 

(check with movement joint manufacturer for 

suitability). 

Fixing Tiles 

All pool lining tiles should be fi xed with a solid 

bed of adhesive to ensure maximum durability 

and strength within the installation and long 

term adhesion performance. This is achieved 

with the use of a notched solid bed trowel. 

Substrate Johnson’s Professional Adhesive 

Concrete One Part Flexible 

Sand/Cement Screed One Part Flexible 

Brickwork/Blockwork One Part Flexible 

Sand/Cement Render One Part Flexible 

Existing Tiles One Part Flexible with slurry bonding coat 

It is good practice to periodically remove a 

recently fi xed tile to ensure that the correct 

bedding is being achieved and maintained. 

When fi xing all tiles care must be taken 

to ensure that no lipping of tiles occurs. 

All pool tank tiles within this brochure are 

recommended to be fi xed with a 3mm wide 

joint. All pool fi ttings in this brochure are 

recommended to be fi xed with a 3-5mm 

wide joint. 

Adhesives 

Adhesives should be in accordance with BS 

EN 12004, Class C2*. Particular adhesive 

choice will be governed by the substrate. 

* Check with adhesive manufacturer for 

additional C1 product suitability. 

H & R Johnson recommend the use of 

Johnson Professional adhesives and grouts, 

see below: 

Grouts 

The choice of grout should refl ect the 

expected service conditions and water type of 

the installation. 

For pools in soft water areas grouts should 

be class CG2 i.e. Johnson Professional No 

Mould Flexible Grout. For pools in hard water 

areas or areas of a pool lining where there is 

aggressive water (pools with wave machines, 

rapids areas or spa pools) grouts should be 

class RG1 i.e. Johnson Professional Easy 

Clean Epoxy. 

For specifi c adhesive or grout advice 

please contact Johnson Professional helpline 

0870 609 2851

cleaning and maintenance 

Maintaining the appearance and 

characteristics (especially slip resistance 

values) of fl oor tiles is achieved with the 

implementation of a suitable cleaning regime. 

It must be stressed that the cleaning material 

manufacturers instructions must be followed 

at all times. Regular and correctly undertaken 

cleaning should maintain a product as close 

to its original state as possible. Incorrect or 

infrequent cleaning will adversely affect the 

properties of the tiles and increase potential 

hazards. 

Please see Kerastar brochure for specifi c 

cleaning information for pool surround tiling. 

Cleaning in pool linings can be split into 

several categories: 

Builders Clean 

This should be undertaken prior to a fl oor 

being brought into service. The builders clean 

removes any residual fi lm left over from the 

grouting operation and is a one off cleaning 

process. It is imperative that this is carried out 

as any grout residues left behind will act as a 

key for dirt resulting in the installation being 

diffi cult to clean. 

Cementitious Grouts 

The use of a mild acid decementing solution 

followed by thorough rinsing will remove all but 

the most stubborn of cement residues. 

Epoxide Grouts 

It is essential that ALL residue be removed 

from the surface of the tiles during the grouting 

process and before the resin cures. Failure 

to achieve this will result in a very diffi cult and 

expensive process using gel-type epoxide 

removers. 

Abrasive powders or cleaners should never 

be used on ceramic tiles. 

Correctly specifi ed and installed swimming 

pool ceramics require little maintenance. 

If there is need to empty a pool for major 

refurbishment works the advice of pool 

experts is strongly recommended prior to 

emptying of the swimming pool. 

Minor pool repairs can be carried out using 

specialist diver repair teams. This removes the 

need to empty and re-fi ll the pool, reducing 

closure time, expensive water losses and reheating 

costs. 

To minimise the pool tank stresses during 

emptying and fi lling the pool it is important 

that: 

The pool is fi lled or emptied at not more than 

750mm depth per day. 

The pool water is heated or cooled at no more 

than 0.25ºC/hour. 

technical 

technical - cleaning 

29

technical 

dda - disability discrimination act 

The Disability Discrimination Act 1995 

(DDA) introduced new measures to prevent 

discrimination against disabled people. The 

Act was broadened in 2005 to form the 

current Disability Discrimination Act 2005. 

The DDA requires accessible environments 

to be provided for disabled people, either in 

their place of work or for access to goods, 

services or facilities (public spaces). Those 

commissioning new buildings or adaptations 

to existing buildings must consider the 

implications of the DDA and their ability to 

provide buildings that do not discriminate 

against disabled people (physical or mental 

impairments). 

When specifying ceramics there are 2 main 

areas of relevance within the DDA. 

30 

Colour Refl ectance (Contrast) 

The DDA gives guidance on good visual 

contrast for the visually impaired between 

various elements of a building by the use of 

Light Refl ectance Values (LRV). 

LRV is a general term for contrast and is 

measured as the proportion of useful light 

refl ected by a coloured object, fl oor, wall or 

ceiling. LRV is measured on a scale of 0 to 

100 where 0 is perfect black and 100 perfect 

white (in reality 0 and 100 are unobtainable 

colours). According to NCS Colour Centre in 

practical terms black is approx 6 and white 

approx 85. See page 44-47 for values. 

The current guidelines from Building 

Regulations Approved Document M on 

contrast are that a minimum difference of 30 

LRV points should be specifi ed for adjacent 

surfaces to ensure that visually impaired 

people are not discriminated against. In 

the specifi c example of ceramic tiles this 

difference should be between: 

Floors to walls 

Ceiling to walls 

Handrails to walls 

Sanitary fi ttings to walls 

Visual contrast between fl oors and walls is 

important in enabling visually impaired people 

to assess and gauge the size and shape of a 

room. It is important that the greatest visual 

contrast occurs where the fl oor meets the wall 

(skirting) as this gives the most accurate visual 

indication of the extent of the room. Where 

provided, skirtings should contrast visually 

with the fl oor and be similar in colour and tone 

to the wall surface. 

Tactile Foot Braille (see Kerastar or 

Elements literature for details) 

Recommendations from the Department of 

the Environment, Transport and the Regions 

(DETR), the joint mobility unit of the RNIB 

and the Centre for Accessible Environments 

(CAE) led to the need for Tactiles to be used 

as warning features for stairs, ramps and 

platforms. 

Available in 400x400x10mm format and in 2 

colour options the Johnson Tactile System 

offers compliance with not only the DDA 

requirements but also the DETR, RNIB and 

CAE recommendations. Specifi ed correctly 

the Johnson Tactile System will ensure that 

any new building Access Audits will be 

compliant with the Access to Goods and 

Services part of the DDA. 

The Johnson Tactile System is manufactured 

to the highest technical and performance 

standards. The surface of the Tactile products 

have the enhanced performance qualities of 

a slip resistance durundum inclusion in the 

surface of the tile. 

The Corduroy profi le is designed to warn 

visually impaired people of the presence 

of specifi c hazards. Such a profi le is “Foot 

Braille” and is a warning associated with 

steps, ramps or the approach to on-street 

light rapid transit platforms. The Corduroy 

profi le is an internationally accepted Tactile 

surface that conveys the message of hazard 

and implies proceed with caution. 

The Blister profi le is designed to warn visually 

impaired people of the edge of all off-street 

platforms. The profi le consists of a series of 

offset, fl at topped dome studs. The parallel 

rows of studs are designed to be installed at 

right angles to the direction of traffi c and are 

normally located behind the platform edge 

coping. 

This information is not exhaustive and the requirements at the time of specifi cation must be checked. 

BS8300:2001 Amendment 1 indicates that there is anecdotal evidence to suggest that a 20 point LRV difference may be suffi cient – 

especially where large adjacent areas are involved. 

It must be noted that the guidance on LRV values given in this brochure is correct at the time of print. This is a subject that may be 

reviewed by the regulatory body at any time so it is advisable to check the guidelines at the time of specifi cation of product. 

The DDA details given in this brochure are to be used as an outline guide only and are the details as H & R Johnson understand them 

at the time of print. If in doubt of any details contained herein the Act should be read in full. 

technical - dda

general information 

© Property of and used under 

license from Scandinavian Colour 

Institute AB, SCI Sweden.se, 

Stockholm, 2001. See your local 

NCS distributor for original NCS 

standard samples 

Quality Standards 

Architectural pool 

and cladding tiles are 

manufactured to the 

quality requirements 

defi ned in Product 

Norm EN BS 14411 

(BS6431:Part 6, 

EN 176) 

Environmental 

Management 

H & R Johnson Tiles 

Limited, Harewood 

Street, Tunstall, 

Stoke on Trent has 

achieved ISO 14001 

for Environmental 

Management Systems 

at its Stoke on Trent 

factory. 

Colour 

The Architectural 

range is notated by the 

Natural Colour System 

(NCS). 

Reference guides to 

other colour referencing 

systems are also given 

in this publication. 

Fitness for Purpose 

For specifi c suitability and fi tness for purpose 

details contact the Technical Helpline or visit 

the website: www.johnson-ceramics.com 

Tile Sizes 

All tile sizes in this brochure are nominal metric 

modular and include a nominal 3mm joint. 

Important 

During the course of manufacture of all 

ceramic tiles some variation in shade or 

pattern can occur. Before fi xing tiles several 

cartons should be opened and the contents 

mixed to ensure that the size, shade, colour 

and patterning are acceptable. 

H&R Johnson cannot accept responsibility 

for any tiles that have been fi xed. 

Nothing in these statements does or will affect 

the statutory rights of the consumer. 

Samples Tel: 01782 524064 

Fax: 01782 524138 

Email: techsales@johnson-tiles.com 

Technical Helpline Tel: 0845 210 3000 

Fax: 01782 524138 

Email: techadvice@johnson-tiles.com 

International Technical Helpline: 

+44 (0) 1782 524067 

www.johnson-ceramics.com 

H & R Johnson recommend the use of 

adhesives and grouts from the Johnson 

Professional range. For further information and 

a detailed fi xing specifi cation please contact 

0870 609 2851. 

The colours shown on the tile products in this 

brochure are as accurate as the limitations of 

the printing process will allow. Please refer to 

actual product samples before purchasing. 

Every effort has been made to ensure 

the accuracy of the information given in 

this literature. In the interests of progress, 

however, H & R Johnson reserve the right to 

change specifi cations and availability without 

prior notice. 

technical 

Acknowledgements 

H & R Johnson would like to thank the 

companies who have helped in the production 

of this publication. 

Design & Artwork: Idiom Creative Ltd. 

Print: Wood Mitchell Printers 

technical - general information 

31

technical helpline: 

0845 210 3000 

H & R Johnson Tiles Limited, Harewood Street, 

Tunstall, Stoke on Trent ST6 5JZ. 

T: 01782 575575 F: 01782 577377 

www.johnson-ceramics.com 

10 Great Titchfi eld Street, London W1W 8BB 

T: 020 7436 8629 F: 020 7436 9031 

E: info@material-lab.co.uk www.material-lab.co.uk 

Middle East Offi ce, H & R Johnson, PO Box 50518, Dubai, United Arab Emirates. 

Tel ++97 14 398 6004 Fax ++97 14 398 7066 

Johnson Tiles (Pty) Ltd, Olifantsfontein, South Africa. 

Johnson Tile (Pty) Ltd, Bayswater, Victoria, Australia. 

Philkeram Johnson s.a., Thessaloniki, Greece. 

H & R Johnson (India) Ltd, Mumbai, India. 

A Norcros company 

® H & R Johnson, Johnson and Material Lab are registered trade marks. 

All product names are the trade marks of H & R Johnson Tiles Ltd. 

All Rights Reserved. 

Printed in England 2007

SWIMMING POOL TILES - V Meyer A/S

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