Did You Know? A “Green” Benefit of Asphalt Shingles Informed homeowners and building owners are aware of the many benefits of asphalt shingles. They are affordable, durable and come in numerous styles, shapes, textures and colors to fit any design aesthetic. But not everyone is aware of
Read more →Snow and ice accumulation on steep-slope roofs can lead to ice dams at the roof eaves. Ice dams are typically formed by the repeated thawing and freezing of melting snow or the backing up of frozen slush in gutters. When ice dams occur, water can be forced
Read more →The International Building Code (IBC) and the International Residential Code (IRC) require that roofing nails be utilized to fasten asphalt shingles. Proper nailing is essential to good performance. To ensure proper nailing during shingle application, it is required that you follow the shingle manufacturer’s instructions and also
Read more →For many years, roof discoloration caused by algae has been observed throughout the United States and Canada. The discoloration usually has a brown to black appearance and may be mistaken for fungus growth, soot, dirt, moss, or tree droppings. Gloeocapsa magma is probably the most prevalent of
Read more →Self-adhering bituminous membranes have been used as underlayments in steep slope (greater than 2:12) roofing for many years. When applied as an underlayment, they are primarily used to help prevent water entry from ice dams at the eave areas of shingled roofs in cold climates. When used
Read more →Why is a built-up roof considered a multi-ply roof? ARMA defines a built-up roofing system as a roof where multiple layers of asphalt alternated with ply sheets (felts) are applied over the roof deck (vapor retarder) and, most often over insulation that is attached to the roof
Read more →Introduction Roof membrane systems are intended to provide protection from natural elements, such as rain, snow, hail, and sleet. Systems that are properly designed, installed, and maintained should provide the user with long-term satisfactory protection from these elements. Some roof membrane systems, such as those installed on
Read more →Introduction The application of any roofing system during cold weather poses special challenges. Specific to modified bitumen materials, these challenges can include maintaining proper sheet material, adhesive, and asphalt temperatures at the point of application. Cold temperatures may stiffen sheet materials, reduce the curing or flash-off rate
Read more →Homeowners may look at their newly installed roof and think that the shingle color does not look like the picture in the brochure. In fact, variations in the appearance of asphalt shingle roofs are not uncommon, and generally occur for five reasons: color shading, back surfacing transfer,
Read more →Self-adhesive (SA) modified bituminous membranes provide an effective finished roof when properly installed. These systems combine the long-term, proven performance of modified bitumen sheet materials with installation advantages imparted by a self-adhesive bituminous layer. Product Description, Manufacturing Process and Governing Standards Self-adhesive modified bituminous membranes are comprised
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