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IICRC RRT Exam Study Guide: Carpet Repair & Reinstallation (2024-2025), Exams of Water and Wastewater Engineering

This study guide provides a comprehensive set of questions and answers related to carpet repair and reinstallation, covering various aspects of the process, including tack strip installation, seaming techniques, stretching methods, and safety procedures. It is a valuable resource for individuals preparing for the iicrc rrt exam, offering insights into the practical knowledge and skills required for successful carpet repair and reinstallation.

Typology: Exams

2024/2025

Available from 02/11/2025

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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
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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

  1. 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

  1. 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.

  1. Power stretch at approx. 15° angle from wall AC and hook onto tack strips at corner B.
  2. Hook & secure onto tack strip with knee kicker along wall from A to B.
  3. Power stretch at approx. 15° angle from wall AB and hook onto tack strip at corner C.
  1. Hook & secure onto tack strip with knee kicker along wall from A to C.
  2. Power stretch at approx. 15° angle from wall AB and hook along wall from C to D.
  3. 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-