Asphalt Shingle Roof Ice And Water Shied

Astm c 1549 standard test method for determination of.

Asphalt shingle roof ice and water shied.

Slopes of 4 12 and above can use standard asphalt roofing. Feel and or asphalt shingles manufacturers using aluminum or local contractor who will make sure you re comfortable trying to identify and cooking exhaust cooking is made of sense doesn t mean you ll also started to dispose of the architectural roofing needs. It s an asphalt saturated paper that increases the water resistance of your roof from wind driven rains or blow offs. Eaves flashing recommendations for asphalt shingle roofs.

Grace ice water shield is supplied in 3 ft wide rolls of varying lengths. Grace ice water shield is a self adhering rubberized asphalt roofing underlayment that protects against ice packed roofs and wind driven rain. Felt paper or tar paper is also a rolled material you see roofers nailing down under shingles. Astm e 108 standard test methods for fire tests of roof coverings.

It is a premier peel stick roofing underlayment that bonds firmly to the roof deck seals around nails without heat or special adhesives. If you see ice and water shield being installed you might think it is felt paper. Ice water shield should be installed anywhere there s a chance of water getting under the shingles. Grace ice water shield is a versatile underlayment material that may be used on sloped roofs under mechanically attached roof coverings such as asphalt shingles slate tile cedar and standing seam metal in many climate and assembly conditions see limitations for additional information.

Roof slopes between 2 12 and 4 12 require a double underlayment application in accordance with section r905 2 7. The patented ripcord is a unique feature that makes grace ice water shield easier to apply by giving the. 1 2 references continued standards and building codes. Astm d 4586 standard specification for asphalt roof cement asbestos free.

If water does get under the shingles it will stay on top of the ice water shield and run off your roof where it belongs. Grace gcp technologies ice and water shield is an excellent shingle underlayment to prevent damage from snow ice and water. It comes in a 36 inch x 75 foot roll and really sticks to the roof sheeting for a good seal at the edge of the roof and to stop water from getting under the edge of the shingles. However it actually betting that building is the opportunity to.

Don t cut it can safely processed for 30 degrees. Where is ice water shield needed. Roof slopes between 2 12 and 4 12 can use shingles but require roof application techniques to take into account a greater potential for ice dam water backup.