IICRC RRT :IICRC RRT Exam Study Guide: Questions & Answers: Guaranteed A+ Guide

What kind of carpet is manufactured with a pile, primary backing, latex adhesive and secondary backing? (Ans- tufted carpet What kind of carpet is manufactured by entangling a thick mat of fibers followed by back coating with an adhesive? (Ans- needle punch What kind of carpet is manufactured in squares with pile yarns and high performance backing? (Ans- modular carpet Why can't glue-down carpet be removed without substantial damage? (Ans- its considered permanent What are CRI 104 and CRI 105, BS5325 and AS/NZS 2455? (Ans- Carpet installation standards When practical, technicians should run the seaming tool in which direction? (Ans- with the pile layIdeally, when using a seam weight, the part that rests on the face of the carpet should be made of what material? (Ans- wood or heat extracting material Properly made seams are not always what? (Ans- invisible What is a suitable alternative for architectural tack strip (gripper)? (Ans- double-stripping What should be the minimum width of tack strip (gripper) used when installing carpet? (Ans- 1 inch (25mm) In which direction should tack strip (gripper) pins point? (Ans- towards the wall Where practical, technicians should not place tack strip (gripper) in what location? (Ans- across doorwaysWhat can using tack strip with pinless clamp-down metal or "Z" bar (door bar) in doorways cause? (Ans- carpet backing to break down Carpet cushion (pad, underlay) should be run the longest lengths practical with seams placed how? (Ans- at least 6 inch offset from parallel carpet seams or perpendicular to Where should carpet cushion (pad, underlay) in a stretch-in installation be secured to the subfloor? (Ans- around perimeter and at seams What should technicians use to attach cushion (pad, underlay) to a subfloor (Ans- hammer stapler or cushion adhesive How should most carpet cushion (pad, underlay) seams be addressed? (Ans- tapedAccording to CRI 104/105 (BS5325), (AS/NZS 2455), how much and in what directions should new tufted carpet with synthetic backing be stretched? (Ans- at least 1% in both length and width On steps, what should the gully spacing size be on a "waterfall" installation be? (Ans- slightly less than twice the thickness of the carpet What are the 7 steps of tufted carpet stretching? D_________________C B__________________A (Ans- 1. Hook onto tack strip approx. 3 ft. in both directions along corner A. 2. Power stretch at approx. 15° angle from wall AC and hook onto tack strips at corner B. 3. Hook & secure onto tack strip with knee kicker along wall from A to B.4. Power stretch at approx. 15° angle from wall AB and hook onto tack strip at corner C. 5. Hook & secure onto tack strip with knee kicker along wall from A to C. 6. Power stretch at approx. 15° angle from wall AB and hook along wall from C to D. 7. Power stretch from wall AC and hook along wall from B to D. What is the most appropriate test to determine the pile lay of carpet? (Ans- paper roll test