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Tri-Flex XT 48 in. x 250 ft. Black Synthetic Roll Roofing Underlayment
  • GCP Applied Technologies
  • Model 5008085
  • Internet #300597241
  • Store SO SKU #

Tri-Flex XT 48 in. x 250 ft. Black Synthetic Roll Roofing Underlayment

$11313 /roll
Discontinued Model:

Model # 5008025

Internet #202288626

Grace Tri-Flex 48 in. x 250 ft. Synthetic Roll Roofing Underlayment
0048444001900

Discontinued Grace

Tri-Flex 48 in. x 250 ft. Synthetic Roll Roofing Underlayment

  • 20 times stronger than felt
  • Fast and Easy Installation
  • Can be used under all major roof coverings
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Frequently Bought Together

Product Overview

Grace Tri-Flex synthetic, water-shedding roofing underlayment overcomes the shortcomings of #30 felt. It delivers advanced benefits that save the contractor time and labor. Grace Tri-Flex roofing underlayment is mechanically attached, and may be used in conjunction with Grace fully-adhered underlayments or alone.

  • More coverage per roll: Five times more coverage per roll compared to #30 felt enables increased efficiency, and labor savings
  • Durable: 6 month exposure time allows to temporarily dry in structures and enables flexible construction schedules
  • Lighter weight than #30 felt: Provides fast and easy installation, allowing time and labor savings
  • 20 times stronger than #30 felt: Can withstand higher wind conditions, preventing costly reworks
  • Versatility: Can be used under all major roof coverings
  • Grace expertise: Developed by the recognized leader in self-adhered roofing underlayment's and the manufacturer of grace ice & water shield

Info & Guides

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Specifications

Dimensions

Coverage Area (sq. ft.)
1000
Product Thickness (in.)
.04 in
Product Width (in.)
48
Unrolled length (ft.)
250

Details

Color Family
Black
Material
Synthetic Fiber
Product Weight (lb.)
28 lb
Returnable
90-Day
Roofing Product Type
Underlayment
Texture
Smooth

Warranty / Certifications

Manufacturer Warranty
go to www.grace.com for info

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Customer Questions & Answers

what is the heat rating? is it good for over 200 degrees?

Asked by: helenkellerconstruction
I have installed this product on hundreds of roofs with metal shingles and have never had a problem.
Answered by: Metalroofer
Date published: 2015-12-10

does this product needs nailing or peel and stick?

Asked by: leaky
Nailing, Look up some youtube videos on how to secure this material.
Answered by: chronosvandien
Date published: 2016-09-07

Is this product water proof while laying exposed till you finish

Asked by: Trey
Yes. If put on properly, it is waterproof. (I've had it on a shed, exposed, for almost a year without a leak)
Answered by: Woodcarver
Date published: 2016-11-13

Will this product work on a roof with a less than 3/12 pitch?

Asked by: TM
Hello TM, good question. Grace underlayment should not be used at slopes less than 2:12, provided the slope is also acceptable to the primary roof covering. On slopes of less than 3:12, Grace membrane should be half-lapped a full 24 inches over the underlying course, shingle style. Hope this Helped.
Answered by: Nonsheep
Date published: 2016-08-18
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Customer Reviews

Tri-Flex 48 in. x 250 ft. Synthetic Roll Roofing Underlayment is rated 4.7 out of 5 by 89.
Rated 5 out of 5 by from Great Underlayment for a Metal Roof Bought this to cover up 30 lb Felt that was beat up by our Montana Winds in just 1 weeks time exposure, After getting the tar paper back down & secured I decided to spend the money & place this product up over the tar paper on my Shed/Out Building. It took about a week to arrive having it shipped to home. This stuff is OUTSTANDING! Wow! 1st off it doesn't tear very easily... 2nd it has a tackiness that is a comfort while working 12-15 feet up with no harnesses or Nets! LoL... It went on very easy & had marked lines for lining up & securing Properly to the roof deck. Used 1 inch roof nails from Home Depot to tack it down. It has held up Magnificently to the Montana Winds & a Few Micro Burst Storms Too! Sheds the water so Well & Seals So well I almost want to use it Solely as the roofing material... Just saying I believe the 6 months exposure would be an easy Stretch for this material!
Date published: 2015-09-27
Rated 4 out of 5 by from Excellent underlayment. Much better than felt. Easier for DIY, too. If we ever re-roof again, we would definitely use this underlayment. Worth the extra few $ over using felt. Much easier to work with, more reliable when it rains & so much more durable. Love it! Also made a much smoother base for shingles.
Date published: 2012-10-19
Rated 5 out of 5 by from Beats the tar out of tar paper I saw this while looking at roofing supplies online. I've used other Grace products in the past and like their quality. I'm replacing my roof and I wanted to be able to put down underlayment that would hold up to the elements for a month or two before I started laying down shingles. I've got to replace a lot of the sheathing on the roof deck before the rental on my dumpster runs out so the actual shingle installation will have to wait until I've finished the deck repairs. Tar paper will rip right off the roof in a stiff wind so when I saw this stuff I figured it was worth a shot based on other customer feedback. So far I have not been disappointed. It does require the use of button cap nails which takes longer to install, but I'm not complaining. My old roof was slicker than snot from all of the granules coming loose off the old shingles. Once I stripped off the old shingles and tar paper and used my leaf blower to clear off the debris I was able to install the Tri-Flex with no problem. I like that it's in 4-ft wide rolls vs. 3-ft so it does help offset the install time since you need fewer rows. Once nailed down, it provides a good gripping surface to walk on. It's got a tacky feel for a secure grip. I couldn't sit on my bare roof in my jeans without sliding or firmly planting a foot on the roof deck. With the Tri-Flex I have no problem sitting, standing, or walking without the need for special roofing footwear.
Date published: 2012-06-06
Rated 5 out of 5 by from Buys time when roofing yourself I purchased this simply to buy time re-roofing a rather large house project myself. Normal felt underlayment would tear off and degrade in the weather quickly (if left exposed), but with this, I was able to roof my house over a few months’ time - in fact it took 8 months without any worries. Yes a bit more expensive, but considering doing the job yourself ,it’s worth the extra price for this reason. Used plastic cap roofing nails (about 1-1/4” diameter) to keep it down.
Date published: 2012-07-03
Rated 5 out of 5 by from Strong and Durable! We are renovating an old 1920's farm house in Teton Valley Idaho. We have brutal long and cold winters. We are sticking to a tight budget and we needed to dry in the house for winter. The roof needed new sheeting and the budget did not allow for the actual roofing before winter. After reading reviews I chose to go with the Grace Tri-flex. Grace said that the product could be left exposed for up to six months. We installed the Tri-flex last October and just installed the Metal roof in June. It never leaked or tore even with our high winds and blizzards. Snow would never build up on the roof it would always slide right off. I would not recommend going as long as we did with it exposed as the plastic cap nails begin to get brittle in the sun. Don't try to go cheap and use staples, Tri-flex will shrink in the sun and pull out staples. It worked so well on the roof that I also used some of the left over Tri-flex to cover the gables where the siding was gone. Great product. Buy it!
Date published: 2014-06-25
Rated 5 out of 5 by from Excellent Product! This stuff is well worth the money! I built a 36' L x 12' D covered porch and used this stuff to cover it so I could take my time in ordering the metal roofing and roof it myself. This stuff stood up to a few major thunderstorms like the roof had an actual roof on it, no leaks! It also made walking on the roof seem like you couldn't fall off due to the "grip" type surface. Will buy again and again for future builds.
Date published: 2013-07-23
Rated 5 out of 5 by from The Reviews are Correct!! What a great product! Would never use Tar Paper again. Easy to use, cut, carry and install. One tremendous advantage is that you can "push" it into areas with a putty knife, etc... if you need to tie it into existing shingles, etc..without risk of cutting or damaging it. It is that strong and durable. In my area, it is priced at $95 a roll, then my credit card gives another 10% back. In the end, it is the same price of 5 rolls of tar paper, which is what one roll of this stuff yields. What a great product. You will not be disappointed. Finally, the mfg mentions that it can stay exposed for up to six months to the elements. This is great if you are doing your own shingling. This product allows you to work at your own pace over a period of time, while still providing watertight protection.
Date published: 2012-12-07
Rated 4 out of 5 by from Great Stuff much better than felt paper Triflex is easy to install and stands up to the weather. The only negative characteristic I have found out by using it. If part of the sheeting is NOT tack down it will shrink about 5%. When tacked down in the sun heat any wrinkles will soon disappear (which is nice) if the job left open to the weather a week. My problem actually is with another product I used to tack the Triflex down the round plastic cap roofing nail made by “Grip Rite” The plastic part broken down and flaked away leaving just small nail head (they must of used biodegradable plastic in manufacturing) I guess the lesion here to get it cover when conveniently possible. I will say the Triflex does by you open time to get the job done but I have push it to its limits of more than 6 months open to the weather.
Date published: 2012-10-17
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