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IICRC RRT Exam Study Guide (Carpet Repair and
Reinstallation 2024- 2025 ) Qs&As
What is the major difference between standard and architectural tack strip (gripper)? - ANS-added width and extra row of pins When carpet meets clamp-down transition moldings, what should be done with the edges? - ANS-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? - ANS-woven axminster carpet Axminster weaves stretch primarily in which direction? - ANS-length direction (warp) 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 backcoating 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 lay
To prevent delamination while disengaging wet carpet from tack strip (gripper), technicians should use what? - ANS-A knee kicker working around the entire perimeter Chalk used in chalk line tools should be what color? - ANS-White When cutting carpet for seaming or sectioning, normally technicians should be careful not cut what? - ANS-Pile yarns When replacing old clamp-down metal transition that forms a 90º angle, what should be done to the new metal? - ANS-Pounded down to the finished position and cut at a 45 degree angle in a miter box After carpet cushion (pad, underlay) is removed from wood floors, what should be done with the remaining staples? - ANS-removed completely When power stretching, what is the tool that can be used to simulate a wall where there is no wall in an open area? - ANS-Dead man What is an essential safety item needed when driving hardened steel nails into concrete - ANS-Safety glasses Identify two essential items required for worksite safety: - ANS-1. First aid kit
- Fire extinguisher Identify the agency(s) in charge of regulating the use of personal protective equipment (e.g., hard hats, knee pads, goggles, respirators). - ANS-OSHA (HSE);(WHS)
When stretching or re-stretching carpet, a knee kicker is used as an assist tool in conjunction with what other tool? - ANS-Power stretcher What should a knee kicker's pins penetrate - ANS-the carpet's primary and secondary backings What can setting the knee kicker or power stretcher pins too shallow cause the primary backing to do? - ANS-Release tufts In order to stop or prevent most buckling in stretch-in carpet, what two things should installers use in combination? - ANS-1. Power stretcher
- Knee kicker What seaming tool does not make contact with thermoplastic adhesive on carpet seaming tape? - ANS-radio frequency seaming unit A power stretcher handle should be used with a pumping motion to give carpet time to do what? - ANS-relax What item should be placed between any wall and the butt end of a power stretcher? - ANS-stretcher board (padded 2-4 inch by 4 foot board) When can a knee kicker or mini-restretcher be used? - ANS-reattach a carpet corner to a tackstrip Identify a tool used to follow up hot-melt seaming to remove excess heat almost instantaneously. - ANS-vacuum cooling tool
Where should carpet cushion (pad, underlay) in a stretch-in installation be secured to the subfloor? - ANS-around perimiter 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-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? - 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.
- Power stretch at approx. 15° angle from wall AC and hook onto tack strips at corner B.
- Hook & secure onto tack strip with knee kicker along wall from A to B.
- Power stretch at approx. 15° angle from wall AB and hook onto tack strip at corner C.
- Hook & secure onto tack strip with knee kicker along wall from A to C.
- Power stretch at approx. 15° angle from wall AB and hook along wall from C to D.
- 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 What is the best repair option when a "butterfly repair" exists at the end of a hot-melt seam? - ANS-glue gun What is the best tool for technicians to use when carpet has come loose on one side of a hot-melt seam? - ANS-glue gun What should be done to the hot-melt seam tape before re-seaming a stretch-in carpet - ANS-removed from carpet backing What is the tool used to remove hot-melt seaming tape from a carpet backing - ANS-a seaming iron to melt off tape . When removing hot melt tape from synthetic-backed carpet using a seaming iron, technicians should set the iron on the lowest temperature that will soften the glue or at what temperature? - ANS- below 200 What should be done with backings when carpet has minor delamination at a seam? - ANS-relaminate the carpet before seaming
What should seam sealer be applied to when replacing a damaged section of stretch-in carpet - ANS-both edges at each seam What should be avoided when repairing a stretch-in cut-pile carpet using an insert? - ANS-trapping yarns When cutting and replacing damaged carpet cushion (pad, underlay), technicians should place new cushion over the area and do what? - ANS-double cut What tool should technicians use to row-cut the installed piece when replacing a large damaged section of glue-down carpet? - ANS-cushion back cutter What is the greatest potential airborne health risk when removing glue-down carpet from older tile or resilient flooring that cracks or breaks? - ANS-asbestos What should seam sealer be applied to when replacing a damaged section of tufted glue-down carpet with a donor piece? - ANS-each seam edge and assembled wet What should technicians do if a small amount of liquid seam sealer adhesive drips onto carpet pile and dries? - ANS-use dry solvent to remove At what angle can straight row channels be found when sectioning carpet with a step-over tufting pattern? - ANS-45 degree angle from the warp (length) of carpet A standard stair has five components: stringer, nose, tread, riser and... - ANS-crotch
What is it called when stretching carpet after a period of use to remove wrinkles, buckles or loose fit? - ANS-restretching What is stretch-in carpet with wrinkles called? - ANS-buckled What is buckling often caused by? - ANS-improper stretching Before re-stretching carpet, the room should be - ANS-emptied of furnitire While power stretching carpet, technicians should position themselves how/where? - ANS-at the head of the stretcher on the stretched side When practical, while stretching carpet, the direction of stretch should be towards what? - ANS-wall with the fewest obstacles How far from the wall should technicians place the head of the stretcher when power stretching carpet? - ANS- 2 - 6 inches from the wall Between stretches along the same wall, the head of a power stretcher should not be moved more than - ANS-the width of the head of the stretcher What should the first direction of stretch be when re-stretching a separate room that connects to a stretched-in hallway (with the doorway seam intact)? - ANS-away from the hall and into the room Where can information for reinstalling dried carpet after a water intrusion be found? - ANS-ANSI/IICRC S
Tack strip cutter - ANS- Cushion back cutter - ANS- loop pile cutter - ANS- wall trimmer - ANS- duckbill nap shears - ANS- hammer stapler - ANS- stair tool - ANS- carpet spreader - ANS- molding lifter bar - ANS- vinyl t track - ANS- standard flat metal - ANS- stair nosing/bull nose - ANS- Z-bar or fireplace metal - ANS- Pinned clamp-down (tap down) metal - ANS-
