Download IICRC RRT Exam Study Guide with Complete Solutions 100% Correct 2024 and more Exams Advanced Education in PDF only on Docsity! IICRC RRT Exam Study Guide with Complete Solutions 100% Correct 2024 When row-cutting most commercial tufted carpet for seaming, technicians should use - Correct Answer-loop-pile or cushion back cutter Where practical, the industry-preferred method for trimming seam edges is called what? - Correct Answer-row cut What tool should be used to pound down the metal lip of clamp-down transition strip (door bar)? - Correct Answer- White rubber mallet When sealing a seam, a bead of adhesive is applied to the carpet edge to adhere what two things? - Correct Answer-1. Primary backing 2. Secondary backing When sealing seams, to evenly distribute a latex or acrylic sealer on a carpet's cut edge, what should technicians use? - Correct Answer-their thumb and finger pg. 1 professoraxe l When seaming or sectioning a carpet, technicians should seal each cut edge with acrylic, latex or thermoplastic adhesive on what styles of carpet? - Correct Answer-on all stretch-in carpet What is the recommended seam groomer to use immediately following hot-melt seaming? - Correct Answer-A smooth or paddle roller When using a knee kicker and carpet awl to lift carpet off tack strip (gripper), the direction of lift should be what? - Correct Answer-angled towards the wall then upwards To prevent delamination while disengaging wet carpet from tack strip (gripper), technicians should use what? - Correct Answer-A knee kicker working around the entire perimeter Chalk used in chalk line tools should be what color? - Correct Answer-White pg. 2 professoraxe l What seaming tool does not make contact with thermoplastic adhesive on carpet seaming tape? - Correct Answer-radio frequency seaming unit A power stretcher handle should be used with a pumping motion to give carpet time to do what? - Correct Answer-relax What item should be placed between any wall and the butt end of a power stretcher? - Correct Answer-stretcher board (padded 2-4 inch by 4 foot board) When can a knee kicker or mini-restretcher be used? - Correct Answer-reattach a carpet corner to a tackstrip Identify a tool used to follow up hot-melt seaming to remove excess heat almost instantaneously. - Correct Answer-vacuum cooling tool What is the time it takes for a hot-melt adhesive to harden or become firm after a repair? - Correct Answer-set up time pg. 5 professoraxe l The two major purposes of tack strip (gripper) are to hold stretched carpet and what else? - Correct Answer-protect the carpet edge What is the major difference between standard and architectural tack strip (gripper)? - Correct Answer-added width and extra row of pins When carpet meets clamp-down transition moldings, what should be done with the edges? - Correct 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? - Correct Answer-woven axminster carpet Axminster weaves stretch primarily in which direction? - Correct Answer-length direction (warp) What kind of carpet is manufactured with a pile, primary backing, latex adhesive and secondary backing? - Correct Answer-tufted carpet pg. 6 professoraxe l What kind of carpet is manufactured by entangling a thick mat of fibers followed by backcoating with an adhesive? - Correct Answer-needle punch What kind of carpet is manufactured in squares with pile yarns and high performance backing? - Correct Answer- modular carpet Why can't glue-down carpet be removed without substantial damage? - Correct Answer-its considered permanent What are CRI 104 and CRI 105, BS5325 and AS/NZS 2455? - Correct Answer-Carpet installation standards When practical, technicians should run the seaming tool in which direction? - Correct 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? - Correct Answer-wood or heat extracting material Properly made seams are not always what? - Correct Answer- invisible pg. 7 professoraxe l D_________________C B__________________A - Correct 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. pg. 10 professoraxe l What is the most appropriate test to determine the pile lay of carpet? - Correct Answer-paper roll test What is the best repair option when a "butterfly repair" exists at the end of a hot-melt seam? - Correct Answer-glue gun What is the best tool for technicians to use when carpet has come loose on one side of a hot-melt seam? - Correct Answer- glue gun What should be done to the hot-melt seam tape before re- seaming a stretch-in carpet - Correct Answer-removed from carpet backing What is the tool used to remove hot-melt seaming tape from a carpet backing - Correct Answer-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? - Correct Answer-below 200 pg. 11 professoraxe l What should be done with backings when carpet has minor delamination at a seam? - Correct Answer-relaminate the carpet before seaming What is stay-tacking or stay-nailing? - Correct Answer- temporary hold/stretch to carpet What should technicians do to reduce the possibility of fiber distortion while hot melt seaming? - Correct Answer-avoid temperatures reaching 300 degrees What is the time it takes for a hot-melt adhesive to harden or become firm after a repair known as? - Correct Answer-set up time Which carpet construction has the greatest risk of delamination? - Correct Answer-tufted When minor delamination occurs in stretch-in carpet, what repair should be made? - Correct Answer-repair from backside What is the tool used to remove hot-melt seaming tape from a carpet backing? - Correct Answer-seaming iron pg. 12 professoraxe l A standard stair has five components: stringer, nose, tread, riser and... - Correct Answer-crotch What is it called when stretching carpet after a period of use to remove wrinkles, buckles or loose fit? - Correct Answer- restretching What is stretch-in carpet with wrinkles called? - Correct Answer-buckled What is buckling often caused by? - Correct Answer-improper stretching Before re-stretching carpet, the room should be - Correct Answer-emptied of furnitire While power stretching carpet, technicians should position themselves how/where? - Correct Answer-at the head of the stretcher on the stretched side pg. 15 professoraxe l When practical, while stretching carpet, the direction of stretch should be towards what? - Correct Answer-wall with the fewest obstacles How far from the wall should technicians place the head of the stretcher when power stretching carpet? - Correct Answer-2-6 inches from the wall Between stretches along the same wall, the head of a power stretcher should not be moved more than - Correct Answer- 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)? - Correct Answer- away from the hall and into the room Where can information for reinstalling dried carpet after a water intrusion be found? - Correct Answer-ANSI/IICRC S500 With what should proper restretching be accomplished when water-damaged carpet has been disengaged from a wall or pg. 16 professoraxe l has been "float-dried"? - Correct Answer-power stretcher and knee kicker What should technicians do first when removing tack strip (gripper) from a concrete floor - Correct Answer-tap the side of the tack strip to break loose from concrete How can tack strip (gripper) can be secured to concrete flooring? - Correct Answer-Nailing, gluing, drilling and nailing For what purpose is a protector board used while fastening tack strip (gripper) in front of a finished wall? - Correct Answer-prevent damage to wall or baseboard At what distance should gullies be when installing or replacing tack strip (gripper)? - Correct Answer-less then the thickness of teh carpet, but not exceed 3/8 in The last nail used to fasten tack strip (gripper) should not be farther than what distance? - Correct Answer-1.5 inches to 2 inches from the end pg. 17 professoraxe l