The best underlayment for a concrete tile roof is usually a synthetic brand, like Barricade. When sheathing thicker than 15/32" is used under fiber glass-type shingles, shingle underlayment is not required for a UL Class A fire rating. Metal roofing panels – Since metal is non-combustible, roofing panels made from this material are highly resistant to fires. And very importantly for metal panels, synthetic- / polymer-based underlayments are a viable option, again, as … In particular, Class A shingles can withstand exposure to fires for about two hours. Asphalt roofing cement used for hand-sealing the shingles must comply with ASTM D4586, Type I, Class I, or Type II, Class I. Coated Felt Underlayment ASTM D 2626 asphalt-saturated and coated organic felt, mineral surfaced, unperforated. 15x stronger than felt. Titanium Underlayment for Metal Roof. A Class 1 roof has undergone a series of tests that evaluate the entire roof assembly, including the external spread of flame test utilized for the Class A rating. ProArmor™ Synthetic Roof Underlayment. Underlayment types for metal panels needs to only comply with manufacturer instructions. • UL Class A Fire Rated when installed with a Fire Rated Roof Covering PRODUCT USE Right Start™ UDL is a roofing membrane designed for use as a water-resistant underlayment and dry-in sheet for steep slope roofing applications to include asphalt shingles, roof tile, and wood shakes and shingles. The result is an increased desire on the part of building designers to seek out It’s applied under all of the other materials, and it provides an extra layer of protection against extreme weather conditions. ICC-ES ESR-3905. Owens Corning® ProArmor™ Synthetic Roof Underlayment with Fusion Back Coating Technology is strong, durable and repels water unlike #15 felt. Vendor. Roofing underlayment plays an important role in how well your roof system performs in numerous exposure elements: rain, wind, snow, ice, fire – to ... • Asphalt-Saturated Felt. SOLARHIDE™ Roofing Underlayment Minimum single layer mechanically fastened with overlaps per manufacturer’s installation instructions. This is another smaller roof underlayment great for … VersaShield ® Fire-Resistant Roof Deck Protection is a key part of the GAF Lifetime Roofing System, 1 … This material has been a mainstay underlayment for decades, used both as a roof and wall underlayment. High Temp. Roofing Contractor Customer Loyalty Program Get a $100 Visa® Reward Card for every 30 rolls of Titanium® or 90 rolls of RhinoRoof® underlayment purchased. DELTA®-FOXX PLUS The vapor … AnchorDeck™ coating technology which allows underlayment to be anchored to the deck prior to applying fasteners. Where other fire-rated underlayment products struggle to strike a balance between robust fire … GAF Tri-Ply 3 ft. x 98 ft. (300 sq. is required by code in some areas. Metal roofing panels – Since metal is non-combustible, roofing panels made from this material are highly resistant to fires. Roofs with slopes less than 4:12 require special attention due to the slow rate of water run-off. Crawl Space 18 In x 200 ft x 10 mils Class A Vapor Barrier Woven Reinforced. Class A Fire Rating as an approved Class A prepared roofing assembly. • Even if a UL Class A roof is not specified, you can provide the same UL Class A protection for the cost of a premium underlayment for roughly the same cost, which would be needed regardless. DuPont™ Roof Protector™ is an engineered synthetic roofing underlayment with a high strength to weight ratio. section, the shingles are a Class A roof covering. APA sheathing is at least 3/8" thick but less than 15/32". Roofing underlayment by our sister company ABC. SYNTHETIC ROOFING UNDERLAYMENT Brought to you by the manufacturer of Titanium ® T he Original. Synthetic underlayment is a newer innovation that is taking over the metal roofing industry as a better, more advanced replacement for felt underlayment. 4.1 New Construction: 4.1.1 General: When installed on new construction in accordance with this section, the shingles are a Class A roof covering. A cedar shake roof conveys tradition, beauty, and luxury, but natural cedar is vulnerable to such environmental stressors as freeze–thaw cycles, moisture, UV exposure, and wind. 4.0 INSTALLATION . Approved for use with metal roofing. #30 Saturated Felt underlayment is specified for use as an underlayment between the roof deck and the shingles. 4. Adding synthetic rubber (SBS) to asphalt generally improves its flexibility, its performance in cold and hot weather, and its overall durability and longevity. $2,720.00. StarWrap Superior Synthetic Felt Underlayment 4 ft x 250 ft. Made in USA. Class A roof assemblies include minimum 16 ounces per square foot copper sheets installed over combustible decks. Right Start™ UDL with NEX asphalt is a premium underlayment. Limited lifetime manufacturers warranty. Some key functions of a roof underlayment: Protects the roof and building until the slate is installed. However, contractors now recognize the benefits of synthetic underlayment for metal roofing, particularly … Only Titanium® UDL50 meets ASTM D4869, Types II & IV. The Canadian equivalent for this requirement is ULC-S107. ... roofing underlayment that can be used under all types of primary roofing materials to replace #30 felt. Also some cities and counties have their own additional requirements such as the City of LA. When a broader generic approach has been used, the appropriate roofing underlayments are certified under the category Prepared Roofing Accessories (TGDY). 10x lighter than 30# felt (24lb / rolls). Other underlayment options. Grace Ice and Water Shield fully-adhered smooth surface roofing underlayment provides best in class roof leak protection against wind driven rain and ice dams. Premium High-Temp Self Adhered Roof Deck Protection- under Metal, Tile, Slate, Shakes, and Asphalt Shingle Roofing • Engineered Construction Extremely strong polypropylene surface with UV and weather resistive coatings that add water shedding redundancy in the roofing system while protecting the structure from damage. Roofing underlayment or felt is usually required for the UL fire rating to apply (since shingles are usually tested with underlayment). Underlayment is sold by squares similar to roofing slate. GCP invented fully-adhered roofing underlayments more than 35 years ago. Fire penetration through the roofing assembly, at a sheathing joint, indicating that, as constructed, this is not a Class A roofing material. This photograph shows the bottom of plywood roof sheathing. The required roof fire rating depends on the fire hazard rating where you live. WinterGuard by CertainTeed . It is Woven of heavyweight polymer fabric, it offers superior strength and durability, a wrinkle-free surface and a strong resistance to UV-breakdown. Faster to install. High temp. Material Type Requirements. Suitable for use in the most extreme conditions, including under copper, COR-TEN® and Zinc roofing. To get the Class A rating on a Metal roof you need a listed assembly. Brought to you by DuPont, the trusted name in total building envelope solutions. Class A roof assemblies include minimum 16 ounces per square foot copper sheets installed over combustible decks. Class A roof assemblies include slate installed over ASTM D226, Type II underlayment over combustible decks. ASTM D3018: “Class A Asphalt Shingles Surfaced with Mineral Granules” is a product standard with some tests for Class A glass roof shingles. Class A roof assemblies and roof coverings shall be listed and identified as Class A by an approved testing agency. PALISADE™ synthetic roofing underlayment is truly a revolutionary advanced technology product specifically designed for the most wide ranging and toughest steep slope roofing application challenges. Plus, you’ll enjoy the added benefits of lightweight durability, excellent secondary moisture protection and a wrinkle-free surface for smoother installations.