DIRECT STICK CARPET ADHESIVE SYSTEM Architects Specification Using Roberts Flooring Adhesives ADHESIVES, EQUIPMENT For installing Jute backed, Polypropylene "Action Bac" type and Latex backed woven and tufted carpets. WARRANTY Provide normal manufactures warranty, extendable for a period of 5 years, covering replacement of adhesive materials together with reimbursement of reasonable reinstallation charges to the installing contractor, if adhesive bond failure is determined within the warranted period, providing Roberts conditions are met regarding recommended equipment, materials and techniques. SURFACE PREPARATION All subfloor surfaces shall be prepared in accordance with Australian Standard AS/NZS 2455.1.1995 -"Textile Floor Coverings Laying Practice". Adhesive Shall be Roberts 50 Carpet Adhesive or Roberts 80 Solvent Free/Low Odour Formula Carpet Adhesive or Roberts 90 Double Bond Carpet Adhesive or Roberts 95 Extra Tack Carpet Adhesive for bonding carpet direct to the sub floor. Carpet Seams Carpet seam adhesive shall be Roberts 52 Water based Carpet Seam Adhesive or Roberts 5216 Solvent Based Carpet Seam Adhesive, or Roberts Double Bond Carpet Tape R50-350. Trowel shall be 2.4 mm x 2.4 mm x 2.4mm "V" notched for Roberts 50, 80, 90 or 95 coverage up to 3 sq metres per litre, for Smooth backed carpets and 3.2mm x 1.6mm x 3.2mm "V" notches for woven and "Action Bac" type carpets, coverage up to 2 sq metres per litre. APPLICATION OF PRIMERS, ADHESIVES AND INSTALLATION OF CARPET For high porous subfloors, or floors where a floor levelling compound has been used, the use of Roberts 370 Floor & Wall Primer is recommended. Roberts 370 Floor & Wall Primer shall be applied evenly over the entire subfloor surface by either spray gun or roller in accordance with the appropriate Roberts Technical Data Sheet. In some circumstances, depending on the rate of absorbency of the subfloor, a second application of primer may be necessary. Dry time shall be approx. 10 to 20 minutes depending on substrate and climate conditions. Spread Roberts 50, Roberts 80, Roberts 90 or Roberts 95 with a "V" notched trowel to 100% of the surface of the subfloor. For hard to hold carpet, it may be necessary to allow a short tack up time. Coverage of Roberts 50, Roberts 80, Roberts 90 or Roberts 95 Carpet Adhesives shall be up to 3.0 m2 per litre for secondary backed carpets and 2.5 m2 for "Action Bac", Woven and primary backed carpets. All seams must be sealed with Roberts 52 Water Based Carpet Seam Adhesive or Roberts 5216 Solvent Based Carpet Seam Adhesive. Starting at one end of the seam, insert the applicator tip into the seam and apply a continuos bead of adhesive along the entire length as per the Roberts published instructions. OR After bonding the carpet to the floor, open the seams and insert the Roberts R50-350 Dual Bond/Direct Stick Carpet Tape the full length of each seam and join the carpet using a Roberts Carpet seaming iron as per Roberts published instructions. SAFETY & HANDLING Product Data Sheet and a Material Safety Data Sheet are available on request. Top