Low Slope Roof Underlayment

Ice and water shield.

Low slope roof underlayment.

This will provide a double layer of underlayment across the entire roof. In low slope roofs which include 2 12 up to 4 12 felt courses should overlap a minimum of 19 inches. Set your store to see. Or select a topic from the closely related articles below or see the complete article index.

Ft model 5003002 149 00 roll 149 00. Roofing ice and water shield is a critically component to any new roofing system especially in cold weather climates. And this synthetic roof underlayment becomes famous due to its quality easy installation process and affordability. Coverage sbs modified asphalt polyester self adhered low slope roofing roll in black model lb323235 59 98 59 98.

This will provide a double layer of underlayment across the entire roof. Or see low slope roofing. Many local building codes require ice and water shield and national building code states ice and water shield must start at the roofs eave edge and extend 2 ft inside heated wall space of a structure. Start with a 19 inch strip of 15 lb.

Continue reading at roofing felt underlayment requirements topic home where we describe methods for application of felt underlayment under asphalt shingles on a low slope roof. The underlayment can make it through the summer heat winter snow and spring rain on a low slope roof without anything covering it. Gcp applied technologies grace ice and water shield 36 in. Guide to roofing underlayment installation on low slope roofs with asphalt shingles asphalt shingles can be used on roofs with a slope of 2 12 to 4 12 if double coverage underlayment is used.

Asphalt saturated felt along the eaves and lap succeeding courses by 19 inches as shown in figure 2 3.