Model # CT-100S

Internet #202343435

Strait-Flex 2 in. x 100 ft. Crack-Tape Drywall Joint Tape CT-100S


2 in. x 100 ft. Crack-Tape Drywall Joint Tape CT-100S

$2595 /box

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Product Length (ft.)
100.0 ft
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Product Overview

Crack-Tape repairs difficult cracks on flat surfaces and corners. Ten times stronger than paper tape, the tape repairs stress cracks and cracks due to truss uplifts. Crack-Tape cuts easily with a utility knife or scissors, but also resists blisters, tears, shrinkage, and wrinkles. Manufactured from Strait-Flex's patented composite material, it can be used for finishing drywall in high humidity applications. To apply measure and cut to length, then fold in half for corners. Apply all-purpose compound to surface or corner. Press Crack-Tape into the wet compound, adjust to create a straight line, and wipe down with a taping knife. A second coat can be applied immediately. Let dry. Apply a light skim coat, let dry, and sand.

  • 2 in. x 100 ft. roll
  • Persistent cracks
  • Plaster and drywall applications
  • Stress cracks and cracks due to truss uplifts
  • High humidity applications
  • Use in place of fiberglass mesh tape on tile backer board

Info & Guides

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Product Depth (in.)
Product Height (in.)
Product Length (ft.)
100.0 ft
Product Thickness (mm)
Product Width (in.)


Drywall Features
No Additional Features
Paint Product Type
Patching and Joint Tape
Product Weight (lb.)

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Customer Questions & Answers

you have several kinds of tape. how do i know which one to use. also are any of these non toxic....

you have several kinds of tape. how do i know which one to use. also are any of these non toxic. i have lung cancer and have to be careful of the materials ussed in my house. i live in st louis, and these are old cracks. what is your phone number?
Asked by: penny
Thanks Dora. Yes, the Crack Tape should work fine for repairs on all wall cracks. The tape is made of pvc with cotton and wool on it. Here is what the MSDS says about the product. (This mixture has not been evaluated as a whole. This product is not expected to produce any unusual hazards during normal use. All ingredients are bound and potential for hazardous exposure as shipped is minimal. No significant hazards are associated with this product. Toxic fumes may be released in fire situations.) You can call us at 636-300-1411.
Answered by: Mud-Pro
Date published: 2016-11-29

Strait-flex corner tape

I have a barn type ceiling and the tape has come loose along edges.I tore down some of the tape and it was metal reinforced tape.I have the Strait-flex original corner tape but I saw a product called Crack tape.I have to do the repairs in 10 foot sections for 30 feet.What would be the better tape to use ? The area has humid because my son raises fish and coral there.
Asked by: gitfiddle
Since you have both tapes, I would go ahead and use the Strait-Flex Original if you are replacing the tape that was in a corner. If it was on a flat seem, I would use the crack-tape. It sounds like this could be a trouble area with all the humidity involved. Make sure you use "all-purpose" compound not "light-weight".
Answered by: Mud-Pro
Date published: 2016-02-09
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Customer Reviews

2 in. x 100 ft. Crack-Tape Drywall Joint Tape CT-100S is rated 4.9 out of 5 by 8.
Rated 5 out of 5 by from Easy to work I rarely use ordinary paper tape these days, preferring mesh tape for my projects so thought I'd try Strait-Flex's Crack-Tape. The product is thicker than mesh and the box reads is ten times stronger than paper or mesh tape. Its a composite material with a slight textured feel. Its also scored down the middle for using in corners. The advantage of the product is it allows you to apply the skim coat immediately after affixing it to the wall after first laying a bed of joint compound to hold it. Its strength is really ideal for persistent stress crack applications. I applied it to an inside closet corner crack that refused to stay closed. No problems, went up the same way mesh tape would and the stiffness kept it from scrunching up as can happen with mesh or paper. The compound squeezes up from the holes in the tape to give a secure bond. Here I was only trying to cover the crack inside the closet not looking for pretty, but it set up nicely. Well see if it holds, but it does seem stronger.
Date published: 2014-09-29
Rated 5 out of 5 by from Easy to apply I used the crack-tape over a previous drywall repair that had been repaired with fiber-mesh. Definitely hides the crack, but because of the thickness of the crack-tape I found it difficult to use drywall joint compound to hide the tape and blend it into the existing ceiling without it being noticeable. This will not be a problem when the product was used to repair plaster cracks on ceiling and walls that are being repaired for the first time. On textured walls using this tape would probably be barely noticeable. It’s been over a month since the repair was made and no crack has re-appeared. The ceiling repair was about 36 inches long and painted with flat ceiling white.
Date published: 2015-03-17
Rated 5 out of 5 by from Worked wonderfully Easier to work with than traditional fiberglass tape......could get a very flat joint quite easily.
Date published: 2011-10-11
Rated 4 out of 5 by from Good Product Good tape for difficult cracks. I had a spot over a door that I could not get to hold with other tapes. My kids slam the door and the joint cracks. I used this tape and so far so good. It is an easy to work with product that gets the job done. It's very strong and should hold up under the worst abuse. Just follow the instructions and take your time, you will be pleased with the results, I am!
Date published: 2015-08-08
Rated 5 out of 5 by from High Quality Product This is a very high quality drywall tape. It is quite a bit thicker than standard paper drywall tape. The holes in the tape allow excess mud to squirt out through the tape as its pressed down against the wallboard. This ensures a nice tight fit against the wallboard without air entrapment. Its also quite a bit stiffer than standard paper tape, which helps to prevent wrinkles and waves. I installed this tape on a ceiling crack that continues to grow slowly over the years. Time will tell if this repair prevents further cracks, so hopefully I remember to update this in a year or two. :-) But so far I am impressed with the product and definitely believe it will make a stronger joint. The only negative that I can see is the cost as compared to alternatives, but for a few problem areas its worth the upgrade.
Date published: 2016-02-09
Rated 5 out of 5 by from good flexibility The Crack tape is a strong and very flexible tape that can be used on walls, ceilings, inside and outside corners. Important to follow the directions and have basic knowledge of drywall mudding before using. Instructions do not say to prepare the area before applying but should do so with any project. That is why some experiencing with drywall is important. Width is 2 inches on a 100 foot roll.
Date published: 2015-02-19
Rated 5 out of 5 by from Nice Product I'm not a professional drywall tradesman by any stretch of the imagination, but the pictures tell a pretty good story. The tape on the wall behind my wood stove started drying out and literally was coming off the wall. In some areas, where it wasn't coming off there were stress cracks. Prepared the wall for taping, used a utility knife to make 90 degree angles to the tape, cut the tape with scissors for the parts over the hallway and the wall. Sanded the area to be spackled, then went to work. The tape is moderately thicker than the basic tape and has holes to strengthen the mud when applying to the wall. It took three coats of spackle, one before applying the tape, the second one for covering the tape and the third applying the final coat on the following day. There was an area that needed a patch not knowing what to expect I cut 2 pieces and fixed them side by side, spackled as in the previous paragraph and was surprised at the results. Of course, there is a slight bulge on the wall, but it blends in pretty good. Next step painting so all the flaws can surface, hopefully not.
Date published: 2015-07-22
Rated 5 out of 5 by from Strong yet flexible Easy to work with and seems very strong. Only time will tell. But so far, so good.
Date published: 2014-01-07
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