The Installation Handbook - Howarth Timber

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INSTALLATION 1 Mark the position on walls for the finished ceiling height taking into account the thickness and number of layers of plasterboard to be used. Fix the GTEC Edge Channels to walls at 600mm maximum centres. For the location of the GTEC Primary Channels, mark lines on the ceiling at centres in accordance with the thickness and number of layers to be used. See table 1. 2 Attach GTEC Soffit Cleats to the structural soffit at 1200mm centres along the centre lines for GTEC Primary Channels. Cut lengths of GTEC Metal Angle equal to the vertical distance from the GTEC Soffit Cleats to the top of the edge channels. Fix GTEC Metal Angle to the GTEC Soffit Cleats with appropriate Nut and Bolt. A GTEC Soffit Cleat is not required for timber joist floors. Instead, fix GTEC Metal Angles direct to the sides of timber joist with a minimum overlap of 50mm using a minimum of 2 suitable fixings. 3 Fix GTEC Primary Channel to GTEC Metal Angles with two GTEC Pan Head Self Drilling screws. Where necessary, join the GTEC Primary Channel by overlapping 150mm back to back and fixing with two appropriate Nuts and Bolts. 64 THE INSTALLATION HANDBOOK 2008
4 Secure the GTEC Ceiling Channels at right angles to the underside of the GTEC Primary Channels, at centres as specified in table 2, using GTEC Connecting Clips. For the entire length of each GTEC Primary Channel, alternate GTEC Connecting Clips on each side. 5 Position the boards with bound (long) edges at right angles to the GTEC Ceiling Channel sections, with adjoining edges lightly butted. End joints must occur at the centre of the GTEC Ceiling Channel section, staggered by half a board length whenever possible. 6 Across field of board, screw-fix the plasterboard at 230mm max. centres with GTEC Self Tapping screws. Screw fix the cut edges of the plasterboard at 150mm max. centres to the GTEC Ceiling Channel. Similarly screw fix all edges to the GTEC Edge Channel at 150mm centres. THE INSTALLATION HANDBOOK 2008 65
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 and 64: The Lafarge GTEC Suspended MF Ceili
Page 65: GTEC Primary Channel GTEC Connectin
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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