Installing a roof is not as simple as just attaching the shingles or boards in place. Rather, a roof consists of multiple layers of protection, similar to the insulating layers of a wall. The surface of the roof that you see actually sits over an underlayment that guards against any failing on the part of the surface. Traditionally, this underlayment consisted of roofing felt, but peel and stick underlayment offers a number of advantages over the old method.
Peel and Stick Information
Peel and stick underlayment is exactly what it sounds like: squares or rectangles of roofing underlayment that features an adhesive backing. When you peel off the protective layer on the back, you expose the adhesive. The installer then needs only to press the panel firmly into place where it needs to go and move on to the next piece. The adhesive easily adheres to the plywood that serves as the most common basis of a roofing installation and will hold for years.
Ease of installation is the primary advantage of using this material. Instead of hauling large rolls of felt onto the roof and meticulously stapling them into place, installers now need only to carry the smaller, lighter peel and stick pieces with them. The quick application method speeds up the entire installation process. Once the tiles are adhered in place, they can withstand the direct assault of weather during the roofing installation. If the roofing is ever blown away or damaged by severe weathering, these panels will stay in place and can hold up to the weather until you can repair the damage to the roofing.
Peel and stick underlayment does have limitations. The adhesive on the back of the panels is temperature-sensitive until it firmly bonds to the surface. It will not bond if the surface is wet or if the temperature of the surface is below 45 degrees Fahrenheit. The ideal installation temperature is above 55 degrees Fahrenheit. Additionally, the material is extremely slippery, so once a section is installed, no one should walk on the area. The risk of slipping and falling from the height of the roof is too great.
If temperatures are below 45 degrees Fahrenheit but remain above freezing (32 degrees Fahrenheit), installers can attach the peel and stick underlayment with the aid of a supplemental adhesive designed to withstand lower temperatures. Apply the supplement adhesive to the panel as well as to the area of the roof to which it will bond. Under no circumstances should you apply peel and stick in temperatures below 32 degrees Fahrenheit; this type of cold poses a danger for the installer, and no adhesive will dry strongly and efficiently in these conditions.
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