The Installation Handbook - Howarth Timber

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CEILINGS: GTEC Suspended MF GTEC Ceiling Channel GTEC Primary Channel GTEC Ceiling Channel GTEC Soffit Cleat Frame formed from GTEC Edge Channel GTEC Metal Angel Note: Where ceiling weight exceeds 20 kg/m 2 (most double plasterboard systems) use GTEC Wafer Head screws in lieu of GTEC Connecting Clips. Lafarge recommend that all double board systems are screw fixed. GTEC Primary Channel Metal Angle fixing Table 1: Recommended maximum loadings and spacing of primary components Suspension GTEC Primary Maximum loading Centres Channel Centres including plasterboard (mm) (mm) (kg/m 2 ) 1200 600 74 1200 900 50 1200 1200 35 Table 2: Board dimensions and spacing of secondary components Board Board Ceiling Channel Thickness Length Centres (mm) (mm) (mm) 12.5 2400 400 1800, 2700, 3600 450 3000 600 15 and 19 2400 400 2700 450 3000 600 62 THE INSTALLATION HANDBOOK 2008
GTEC Primary Channel GTEC Connecting Clip 60 x 60mm rock mineral wool insulation Movement control joints <strong>The</strong> continuity of the plasterboard and supporting structure should be broken by movement control joints: 1. Where the ceiling runs 10 metres or more in any direction 2. Where the ceiling crosses structural movement joints. GTEC Ceiling Channel Ceiling Channel A GTEC Movement Control Joint 60 x 100mm rock mineral wool insulation Ceiling Channel B Movement joints running parallel to the Ceiling Channels: Locate GTEC Ceiling Channels along each side 60mm from the movement joint (measured to centres). Secure GTEC Ceiling Channels to GTEC Primary Channels with GTEC Connecting Clips. Leave a 12.5mm gap in the runs of GTEC Primary Channel as wide as the movement joint, and support the cut ends of the GTEC Primary Channels with hangers. When boarding the ceiling, leave a 12.5mm continuous gap along the line of the movement joint. GTEC Metal Angle GTEC Ceiling Channel GTEC Edge Channel GTEC Movement Control Joint GTEC Primary Channel GTEC Ceiling Channel fixed vertically to edge channels at top and bottom. GTEC Edge Channel Movement joints running across the Ceiling Channels Form a 12.5mm gap along the line of the movement joint, supported by GTEC Primary Channels 60mm from each side of the joint. <strong>The</strong> GTEC Ceiling Channels A and B should overlap by 50mm but not fixed. To maintain the acoustic and fire integrity of the ceiling, pack the space behind the joint with 60mm rock mineral wool insulation with a density of 23 kg/m 3 . When boarding the ceiling, leave a 12.5mm continuous gap along the line of the movement joint. Ceiling Recess Ceiling recess detail incorporating a change in ceiling height is suitable for a maximum change in level of 600mm. THE INSTALLATION HANDBOOK 2008 63
Page 1 and 2:
PLASTERBOARD The Backing of a World
Page 3 and 4:
Introduction
Page 5 and 6:
What are the values of GTEC The GTE
Page 7 and 8:
Environmental Policy Fulfilling our
Page 9 and 10:
The Lafarge GTEC Direct Bond System
Page 11 and 12:
Table 2: Use of GTEC Universal Bond
Page 13 and 14: 4 Apply vertical dabs at required c
Page 15 and 16: The Lafarge GTEC Wall Lining System
Page 17 and 18: STUD Max. Height Guidance Table (m)
Page 19 and 20: 4 Using a disc cutter, drop-saw or
Page 21 and 22: The Lafarge GTEC Dryliner System is
Page 23 and 24: Insulation Existing Wall Insulation
Page 25 and 26: 4 Cut each GTEC Dryliner Channel RD
Page 27 and 28: The Lafarge GTEC Metal Stud System
Page 29 and 30: Table 1: Components for Metal Stud
Page 31 and 32: 4 Place the ceiling GTEC U Track on
Page 33 and 34: 10 Form as required, one of the fol
Page 35 and 36: The Lafarge GTEC Acoustic Homespan
Page 37 and 38: Skirting Detail A GTEC U Track onto
Page 39 and 40: 4 Place the ceiling GTEC U Track on
Page 41 and 42: 10 Fix the GTEC Acoustic Homespan b
Page 43 and 44: For fixing GTEC plasterboard to tim
Page 45 and 46: GTEC Intumescent Acoustic Sealant a
Page 47 and 48: The Lafarge GTEC Direct to Timber S
Page 49 and 50: Single-layer Boarding Noggins Note:
Page 51 and 52: The Lafarge GTEC Acoustic Floor Sys
Page 53 and 54: GTEC Metal Angle GTEC Acoustic Floo
Page 55 and 56: 4 Fix self adhesive GTEC Resilient
Page 57 and 58: The Lafarge GTEC Dryliner System is
Page 59 and 60: Upgrading existing timber joist flo
Page 61 and 62: 4 Cut the GTEC Dryliner Channel RD1
Page 63: The Lafarge GTEC Suspended MF Ceili
Page 67 and 68: 4 Secure the GTEC Ceiling Channels
Page 69 and 70: The Lafarge GTEC T-Bar Corridor Sys
Page 71 and 72: 60 x 60mm rock mineral wool batt TO
Page 73 and 74: 3 Position the boards with long edg
Page 75 and 76: The Lafarge GTEC T-Bar Flat Ceiling
Page 77 and 78: GTEC T-Bar Primary Main T 60x60mm r
Page 79 and 80: 4 Fix GTEC T-Bar Cross T TC1200 to
Page 81 and 82: Lafarge GTEC Taping and Jointing Sy
Page 83 and 84: Square and Cut Edge Joints External
Page 85 and 86: 4 Internal Angles When set hard and
Page 87 and 88: 10 Square Edge Joints When set hard
Page 89 and 90: Lafarge GTEC Taping and Jointing Sy
Page 91 and 92: GTEC Cove is a simple and cost effe
Page 93 and 94: 5 100mm GTEC Cove bonded with GTEC
Page 95 and 96: Instructions for marking and cuttin
Page 97 and 98: THIS IS THE CEILING EDGE GTEC Cove
Page 99 and 100: A guide to the GTEC Plasterboard So
Page 101 and 102: GTEC E Board Designed for use in dw
Page 103 and 104: GTEC drywall screws are designed sp
Page 105 and 106: Screws SELF TAPPING SCREWS GTEC Sel
Page 107 and 108: Screws HIGH THREAD SCREWS GTEC High
Page 109 and 110: GTEC Ready Reckoners give a quick g
Page 111 and 112: Wall Linings: Lafarge GTEC Dryliner
Page 113 and 114: Floors and Ceilings: Lafarge GTEC S
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The Installation Handbook - Howarth Timber

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