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Model # 5003093

Internet # 202800770

Ice & Water Shield HT 36 in. x 225 sq. ft. Roll Roofing Underlayment

This item has been discontinued.
The Home Depot no longer carries this specific product.

$169.00 /roll



Model # 5003093

Internet # 202800770

Grace Ice & Water Shield HT fully-adhered, smooth surface roofing underlayment is specifically designed for high temperature applications such as metal roof assemblies. It delivers all the advantages of Grace Ice & Water Shield roofing underlayment with thermal stability metal roofs require. Not all high temperature roofing underlayments are the same. Grace Ice & Water Shield HT is an excellent high temperature ice and water barrier that follows in the footsteps of the original Ice and Water Shield, but is specially formulated to meet the higher service temperatures that are inherent to metal roofing systems. Grace Ice & Water Shield HT is formulated with a proprietary adhesive with temperature resistance of up to 260° F. The membrane forms a watertight bond to the roof deck, and seals around fasteners to around the nail of the primary roof covering and thus maintains its waterproof integrity on the roof deck. It also creates a strong bond to the roof deck. Grace Ice & Water Shield HT delivers optimal balance of adhesion and thermal stability for superior performance under the most demanding conditions.

  • Temperature resistance up to 260° F: Provides premium waterproofing for metal roofs
  • 120 day exposure: Delivers consistent performance over long, unpredictable construction cycles
  • Strong adhesion to the roof deck: Helps ensure a watertight seal, protecting roofs from harsh weather conditions
  • High quality seal around roofing nails: Delivers strong roof leak protection; providing peace of mind against costly call backs
  • Forms superior laps: Provides watertight installation with no special treatment of the laps
  • Dual barrier protection - rubberized asphalt is combined with polymeric film to form two waterproofing barriers providing maximum protection
  • Delivers optimum balance of adhesion and thermal stability for superior performance under the most demanding conditions
  • Protects under all standard sloped roof coverings - Grace Ice & Water Shield ht protects under slate, tile, cedar shakes, metal and conventional asphalt shingles
  • Protects roofs from wind driven rain and ice dams

Info & Guides

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Coverage Area (sq. ft.) 
Product Depth (in.) 
Product Height (in.) 
Product Width (in.) 
Thickness (In.) 
Unrolled length (ft.) 
Color Family 
Commercial / Residential 
Commercial / Residential 
Roofing Product Type 
Warranty / Certifications
Manufacturer Warranty 


Rated 4.3 out of 5 by 21 reviewers.
Rated 4.0 out of 5.0 by GOOD SEALER Good product for sealing valleys. For first time user, you need two people to install. April 28, 2015
Rated 5.0 out of 5.0 by Excellent product Exceptional adhesion to the plywood roofing. Make sure you are running it straight before you let it stick! There's no going back. June 9, 2015
Rated 2.0 out of 5.0 by Could not unroll product, as it was glued to itself for approximately 1/2 of the roll. As Stated in the "Review Title". I could not unroll the product for 1/2 of the roll, as it was glued to itself. There was no paper to separate the winding of the roll. This product sure seemed to have been in stock somewhere for quite a while! May 28, 2015
Rated 5.0 out of 5.0 by Saved me a lot of money Removed all shingles from my cabin' roof in Floyd. This plugged up all the nail holes then I installed aluminum clip-snap on metal roof panels. This underpayment will now last as long as my metal roof. Unlike 30# felt which will become brittle and crack from the hot panels. No air or moisture will migrate through the plywood deck, instead ALL moisture will be expelled thru the ridge vent, in other words, the sheathing will Never rot again! Look at all u tube videos on how to install, if it's just one installer, and a bit windy, for inexperienced me, it was best to put them down in 15 ft lengths. Only had one air bubble, popped it & it sealed right up. The stapled felt I first used was destroyed in the first frost. This stuff really sticks well, eave after several rains & frosts! December 16, 2014
Rated 5.0 out of 5.0 by Grace ice and water shield Put this on my roof 26 yrs ago, reshingled the roof 2 yrs ago and and it still keeps everything dry. . Im using it on my new garage roof next. November 20, 2014
Rated 2.0 out of 5.0 by dissappointed started putting this onto my roof today and installation was awful. i tried finding the rip cord two boxes down no rip cord still and the paper is always tearing in the middle one man install is pretty much impossible since the roll weighs too much and the adhesive isn't enough to hold it. all it seems to want to do is stick to itself so it is pretty much one of the worst products i have ever tried to use.i will definitely never buy this again May 7, 2015
Rated 5.0 out of 5.0 by Great water barrier with strong adhesion I bought enough of this for a double layer but soon realized that one would have been more than enough. There is no way water will penetrate this. Someone commented that this does not stick well, but I found it to stick to nearly everything. The only thing it doesn't seem to stick well to is damp wood. Particularly treated wood that is new and still damp. Dry/clean sheathing will have no problem grabbing onto this. The instructions say to nail it down for sloped roofs, but check this out. I had to repair a 8 foot vertical wall along the side of the chimney that had severe water damage. After the repair, I covered the section with this and it stuck like crazy... to everything. I didn't even nail it to the 8' vertical wall and it stuck. The only nails came from the vinyl siding that I later covered the wall with a week later. The only down side I can come up with it that it is expensive. If I had known how good this was, I would have only bought enough for one layer and saved some money. You get what you pay for and this is well worth it. October 8, 2013
Rated 5.0 out of 5.0 by A dry suit for your roof that will last forever imo We put the Grace HT on our old cabin in the U.P of Michigan. After removing the old original roll roofing. We applied the Grace HT to the entire roof, which has many dormers and valleys. Went on as expected as we had done our research prior. The roof deck is very old rough pine various width boards. Those old boards will never see the light of day again. The metal roofing was installed and I am confident that if a leak should occur in the metal, the Grace will not let it penetrate. And the inside of the cabin should stay much cooler in summers. Darn good stuff imo........ November 24, 2013
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