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dupont flexwrap nf 9-inch x 75-foot - self adhesive butyl flashing tape - 1 roll logo

DuPont FlexWrap NF 9-inch x 75-foot - Self Adhesive Butyl Flashing Tape - 1 Roll Review

5

·

Very good

Revainrating 4 out of 5  
Rating 
4.0
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Description of DuPont FlexWrap NF 9-inch x 75-foot - Self Adhesive Butyl Flashing Tape - 1 Roll

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Reviews

Global ratings 5
  • 5
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Type of review

Revainrating 5 out of 5

This material is excellent for a watertight seal in corners

This material is excellent for a watertight seal in corners. This is very difficult to install due to the elasticity of the product, making it less than ideal when used in situations where it is not required or will not flex.

Cons
  • None

Revainrating 4 out of 5

A good product. - Butyl Tape

After using waterproof resin based products I switched and now use Straight Flash for all my construction projects. Has worked great for the past 7+ years. Working with glue can be frustrating until you get used to it. There are tutorials on YouTube on how to use this product that have been very helpful. Purchase a "J-roll" for maximum adhesion.

Cons
  • Miscellaneous Miscellaneous

Revainrating 4 out of 5

A good thing. It's so expensive though I only.

Good stuff. It's so expensive, even though I only wrapped the bottom corners of the window openings with regular membrane for the rest of the length. Pros: It allows you to stretch the corners of the lower window openings. Glue is the best I've used. holds up much better at marginal conditions compared to e.g. Grace Vycoor Cons: very expensive (I set 35 windows) I couldn't fold wrinkle free so it doesn't lay as flat as ideal

Cons
  • You could have chosen a newer model

Revainrating 5 out of 5

One step installation

FlexWrap provides a seamless seal in corners when installing windows. Usage is simple and easy. Peel off the backing and it slides into the rough hole for a perfect fit. The flexible nature of the product makes it easy to roll corners. I liked this product because it eliminates the need for pre-cut corners and creates a watertight edge with ease. This butyl-based adhesive backing provides a secure, waterproof J-roll connection. FlexWrap is an essential element for building the house envelope…

Cons
  • Small things

Revainrating 2 out of 5

Good in theory, not so good in practice - check out DuPont's YouTube video!

DuPont FlexWrap NF 9" x 75' - Backing paper is too thin and flimsy, not perforated enough to peel the paper cleanly causing an installation nightmare - start layering FlexWrap and you will be forced to walk backwards to fish something out the back of - Also watch DuPont's FlexWrap installation video on YouTube - You won't see this problem (it must have been an earlier production run before they thought they could do a few save pennies) backing applied to the video - this is inevitable…

Cons
  • Low repairability