Product Profile: Underlayments ’08

AlphaProTector-SUL offers a strong, secure, smart alternative to conventional roof underlayments. It is constructed of a high-strength woven fabric coated on both sides with a specially formulated anti-slip walking surface and is 100 percent asphalt free. AlphaProTector-SUL is UV resistant and can be exposed up to six months. It is seven times lighter and 20 times stronger than 30-pound asphalt felt paper and comes 10 squares to a roll, offering more coverage per roll. It’s light gray color reflects heat, providing a cooler walking surface. Pre-printed nailing pattern means easy installation, less waste and lower costs.

ATAS International
ATA-Guard is a polyolefin based, 100 percent asphalt free, high strength reinforced roofing underlayment for use on steep slopes beneath metal roofing. It is used to prevent leaks caused by wind driven rain and primary roofing breach. ATA-Guard is approved as an alternative replacement for type 15 or Type 30 asphalt roofing felt (ICC ES ER-6043). ATA-Shield is an 80 mil. homogeneous rubberized asphalt waterproofing compound, glass fiber reinforced, designed specifically for use as an underlayment material for metal roofing. The rubberized asphalt adhesive membrane is well suited for use where a water resistant barrier is required. ATA-Shield membrane has been formulated to withstand the high heat environment generated by roofing systems. Split/perforated release backing film aids in easy positioning of sheets to maintain proper line. Felt is another underlayment option for metal roofing. If felt is used, the sheet metal industry recommends a dry rosin sheet between the felt and the metal roofing to prevent the underside of the sheet metal from sticking and tearing the felt.

Berger Building Products
Pro-Master Roof Shield is a synthetic underlayment sold in two versions: the standard UDL and UDL Plus. Both can be used with asphalt shingles, wood shakes, non-structural metal roofing, synthetic and quarry slate roofing. Both are lighter and stronger than organic underlayment. Roof Shield UDL has an anti-slip coating and UDL Plus has Traction Twist Fiber. It’s available in 52-inch widths for quicker installation.

Carlisle Residential
Water and Ice Protection 300HT is a self-adhering underlayment ideal for use under metal surfaces. CCW WIP 300HT is a 40-mil, high tensile strength, rubberized asphalt underlayment designed to withstand temperatures up to 240 degrees. WIP 300HT also features a skid-resistant top surface, providing safe and easy installation.

Enkamat 7008/7010 is a three-dimensional nylon matrix structure made of fused, entangled filaments used as a spacer to provide sound attenuation, ventilation and drainage under any type of metal roof. It is used between ballast and loose laid, fully adhered or mechanically attached roofs and between waterproofing membrane or weather barrier and roof panels in sloped roof applications. What makes this tangled mat product unique is its 95-percent open construction and its ability to add multiple benefits in a single 0.4 layer.

Drexel Metals/RoofTopGuard II
RoofTopGuard II high performance underlayment meets or exceeds all national building code requirements, including Dade County. RoofTopGuard II, available in cool gray 10-square rolls, is a low-weight multi-layer polyethylene/polypropylene, premium high-performance roofing underlayment with a slip-resistant fiber-grip surface. RoofAquaGuard HT is an SBS peel and stick underlayment specially designed to hold up in the high temperatures generated under metal and tile roofs. Each 200-square foot roll (40 inches by 60 feet) weighs 37 pounds. ProTek-Guard synthetic roofing underlayment is one of the lightest underlayments on the market, weighing only 33 pounds per 1,000 square foot roll. ProTek-Guard comes with a limited 25-year warranty.

Metalman HT self-adhesive roof underlayment is a 40 mil waterproofing membrane composed of SBS modified bitumen and a tough UV resistant anti-slip polyethylene woven top facer. The membrane is designed for use in high temperature environments where the in-service temperature can reach temperatures as high as 250 degrees. The self-sealing, high tensile strength underlayment is designed to provide waterproof protection before, during and after the installation of metal roofing. The slip-resistant material is 100-percent UV-protected and features a silicone release film backing that protects the product from degradation and allows it to be stored outside without the need for a cardboard box. Roll dimensions are 75 feet by three feet with a gross/net coverage per roll of 225 square feet and 206 square feet. Each roll weighs 44 pounds.

Feltex is a high-strength, lightweight woven fabric used as an underlayment for both commercial and residential roofing. Unlike most other synthetic underlayment materials, Feltex may be applied using standard roofing nails while maintaining a 25-year limited warranty. It covers five times more area than one roll of felt and the lightweight rolls are easier and faster to install and transport. The product can be left exposed for six months without swelling, warping, wrinkling or compromising strength. Feltex is available in roll sizes of 48 inches by 100 and 250 feet and complies with all relevant building code requirements, including Miami-Dade, Fla.

The HPR Fire-Tite FR self-adhering base sheet can be used as a fire-retardant underlayment with virtually any type of roofing, including metal, BUR, modified bitumen, single ply, tile and shingles, providing a self-sealing, waterproof fire barrier.

Grace Construction Products
Grace Ice & Water Shield self-adhered roofing underlayment is easy to apply, seals around nails, provides dual barrier protection, has a slip-resistant surface and protects under all sloped roof coverings. Tri-Flex Xtreme is a synthetic roofing underlayment featuring Traction XT Skid Resistant Technology. The coating helps boots grip the surface when wet or dry. Tri-Flex Xtreme can be exposed to the elements for up to six months without rotting, cracking or drying out. One roll of Tri-Flex Xtreme measures 41.5 inches by 289 feet and covers 10 full squares.

Insulation Solutions
Proof is a durable, cross-woven underlayment that can be used under virtually all types of roofing materials. Proof combines the technology of felt and synthetic underlayments to produce a product that will help get the job done right. It includes a slip-resistant surface and is engineered with excellent tensile strength and tear resistance. Furthermore, Proof is able to hold up to several months of UV exposure, giving roofers and contractors greater flexibility on every project.

Titanium synthetic roofing underlayments are highly engineered, mechanically attached, coated woven underlayments for sloped roofs. Titanium underlayments represent the future in felt replacement technology and used in conjunction with Titanium peel and stick self-adhered underlayments (PSU), offer the sloped roofing industry a truly revolutionary system of safety, security and simplicity. The newest edition to the Titanium series of underlayments, UDL-25, has all the features expected from Titanium in a value priced product.

Kirsch Building Products
Patented Sharkskin underlayments have been engineered to exceed industry standards for long-term moisture protection and durability for all steep-slope applications. Specifically manufactured for metal roofing, Sharkskin offers 12-month UV exposure and is rated for high temperatures common under metal roofing. Sharkskin requires no slipsheet and installs with 3/8-inch standard roofing nails, so no plastic caps are required. Sharkskin also complies with AC188 for underlayments in severe climates and AC48 for roof underlayments. Sharkskin Ultra SA is a lightweight peel-and-stick underlayment that utilizes a high-strength ultra-bond adhesive system engineered to eliminate the drawbacks of traditional peel-and-stick underlayment systems. Rated for 12 months of UV exposure, it provides the best protection with the easiest handling. Sharkskin Ultra Radiant is the first energy saving radiant barrier roof underlayment. This radiant barrier underlayment is revolutionary by combining the original heavyweight synthetic Sharkskin Ultra roof underlayment with a low emissive 99.9 percent pure aluminum layer. This highly reflective roof underlayment reduces attic temperatures and energy cost during the summer months by reflecting 97 percent of the sun’s radiant energy.

MetShield Water and Ice Protection is a sheet membrane underlayment designed for high-temperature applications typically found under metal roofs. The product is a 40-mil rubberized asphalt material that will prevent water penetration from wind-driven rain and water backup caused by ice or debris. It will resist temperatures up to 240 degrees without degradation, seals around roofing nails, screws and clips, has a skid-resistant surface and bonds directly to the roof substrate.

MFM Building Products
STS Underlayment is a superior, self-adhering membrane designed and developed for use as a premium, whole-roof underlayment for metal, tile and other types of roofing specified in high-end building markets. Designed to perform in extreme weather and high-temperature environments, it meets all codes for installation in high-wind zones and will remain intact to protect the structure even if hurricane-force winds blow away the main roof. Made of a durable, high-grade polyester fabric, it provides excellent traction during installation, offers a good bonding surface for foam adhesives, self-seals around nails, staples or screws, and permits airflow under the roofing surface.
Nemco Industries
RoofAquaGuard is committed to serving the roofing industry by manufacturing and supplying new and innovative roofing underlayment and auxiliary products. The company offers peel and stick membranes, heat resistant up to 280 degrees; mechanically fastened underlayments; a mechanically fastened breathable underlayment; and an all-purpose peel and stick underlayment.

Perma R Products
PermaFelt is a premium, nail-down synthetic roofing felt that delivers exceptional weather barrier performance compared to traditional asphalt products and other synthetic underlayments. PermaFelt is 100 percent synthetic and felt-coated on both sides with a proprietary slip resistant coating. The backside of PermaFelt is designed to reduce slippage between the underlayment and the roof sheathing. The topside composition has an unsurpassed level of slide resistance. It can be easily bent for forming around corners, valleys and ridges.

Polyglass continues to advance the metal roofing industry with its self-adhesive Polystick Basik underlayment utilizing Adeso self-adhesive technology. Designed to withstand temperatures up to 260 degrees, Polystick Basik is specially formulated for use under a variety of metal roof systems. This premium underlayment has received approvals from Miami-Dade County and the International Code Council. A patented, dual-compound formula, Adeso technology eliminates the need for adhesives and mechanical fasteners.  No other system is easier or safer to install.

SDP Advanced Polymer Products
Palisade synthetic underlayment features category leading Stronghold wet surface skid resistant technology for superior applicator safety under wet/dusty installation conditions. Palisade utilizes advanced woven PP high-strength construction and Kool Blue (eight times cooler than felt) non-glare surface technology and delivers six months UV/wind/rain exposure and 300 degrees temperature rated performance. Palisade-SA-HT is a high-temperature (250 degrees) self-adhered underlayment with Stronghold wet surface skid resistant Kool Blue surface technology and six-month UV exposure. Palisade underlayments combine to offer all-roofing type advanced system performance for both residential and metal roofing applications.

TW Metal and Tile underlayment is a flexible, fiberglass reinforced, self-adhering, rubberized asphalt sheet membrane with a polymer film on the surface and a split, removable, treated released film on the adhesive side for fast, easy installation. TW Metal and Tile underlayment is well suited for use as an underlayment where prevention of water penetration is required prior to installation of a metal roof system or mechanically fastened tile roof system. It also provides secondary protection against water penetration after installation of a metal roof system. It features a textured surface to provide skid resistance and strong fiberglass reinforcement for added stability during installation. TW Metal and Tile underlayment has a split-treated release film for easier installation and temperature resistance up to 250 degrees. It can be left exposed for up to 90 days before application of finished roof.

LeakBarrier PS200HT is a premium, SBS modified, glass fiber reinforced, self-adhesive modified bituminous roofing underlayment for use under metal and tile. PS200HT is manufactured with a specially engineered Hybrid Polymer System formulation that allows the underlayment to withstand high temperatures — resistant up to 260 degrees. PS200HT is surfaced with a polyester fabric on the upper layer to provide a non-abrasive surface that also offers excellent walkability.

RoofShield is a breathable, water-shedding, weather-resistant barrier that provides high-performance vapor control and a secondary weather barrier for roofs. RoofShield allows building design to breathe using a high water-transmission fabric that helps to prevent moisture vapor, mildew and rot. It has a high vapor permeability of 212 and features a tear-resistant, three-layer polypropylene fabric that allows vapor to escape from a roof cavity when metal or other roofing materials are used. The product is easy to install as traditional underlayment, but offers benefits critical of modern construction projects.

York Manufacturing
York 366 is a rugged, durable self-adhering composite underlayment, specifically designed to withstand the rigors of a commercial construction site. The strong slip-resistant polyester surface provides a barrier to physical damage, UV radiation, weather and moisture. This stability makes York 366 ideally suited for use with metal roofing systems. York 366 composite is 40 mills (1.65 mm) thick and supplied in rolls of 200 square feet (3 by 66.7 feet).

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