IICRC RRT Exam Study Guide Questions And Answers Verified 100% Correct

IICRC RRT Exam Study Guide Questions And Answers Verified 100% Correct The two major purposes of tack strip (gripper) are to hold stretched carpet and what else? - ANSWER -protect the carpet edge What is the major difference between standard and architectural tack strip (gripper)? - ANSWER -added width and extra row of pins When carpet meets clamp-down transition moldings, what should be done with the edges? - ANSWER -tuck them tightly into molding What kind of manufactured carpet (pictured below) is always cut pile, has a heavily ribbed back, and rolls easily in the warp (length) direction? - ANSWER woven axminster carpet Axminster weaves stretch primarily in which direction? - ANSWER -length direction (warp) What kind of carpet is manufactured with a pile, primary backing, latex adhesive and secondary backing? - ANSWER -tufted carpet What kind of carpet is manufactured by entangling a thick mat of fibers followed by backcoating with an adhesive? - ANSWER -needle punch What kind of carpet is manufactured in squares with pile yarns and high performance backing? - ANSWER -modular carpet Why can't glue-down carpet be removed without substantial damage? - ANSWER -its considered permanent What are CRI 104 and CRI 105, BS5325 and AS/NZS 2455? - ANSWER -Carpet installation standards When practical, technicians should run the seaming tool in which direction? - ANSWER -with the pile lay Ideally, when using a seam weight, the part that rests on the face of the carpet should be made of what material? - ANSWER -wood or heat extracting material Properly made seams are not always what? - ANSWER -invisible What is a suitable alternative for architectural tack strip (gripper)? - ANSWER double-stripping What should be the minimum width of tack strip (gripper) used when installing carpet? - ANSWER -1 inch (25mm) In which direction should tack strip (gripper) pins point? - ANSWER -towards the wall Where practical, technicians should not place tack strip (gripper) in what location? - ANSWER -across doorways What can using tack strip with pinless clamp-down metal or "Z" bar (door bar) in doorways cause? - ANSWER -carpet backing to break down Carpet cushion (pad, underlay) should be run the longest lengths practical with seams placed how? - ANSWER -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? - ANSWER -around perimiter and at seams What should technicians use to attach cushion (pad, underlay) to a subfloor - ANSWER -hammer stapler or cushion adhesive How should most carpet cushion (pad, underlay) seams be addressed? - ANSWER -taped According to CRI 104/105 (BS5325), (AS/NZS 2455), how much and in what directions should new tufted carpet with synthetic backing be stretched? - ANSWER -at least 1% in both length and width On steps, what should the gully spacing size be on a "waterfall" installation be? - ANSWER -slightly less than twice the thickness of the carpet What are the 7 steps of tufted carpet stretching? D_________________C B__________________A - ANSWER -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? - ANSWER paper roll test