Tapered wood filler strips placed along the butts of old roofing or sheeting to create a level surface when re-roofing over existing wood shingle roofs. Feathering strips are also called horse feathers.
Tar paper or felt paper. Available in 15 or 30 lbs. A flexible sheet that is saturated with asphalt and used as an underlayment.
An asphalt roofing base material manufactured from glass fibers.
Pieces of metal, rubber, lead or plastic used to prevent seepage of water into a building around any intersection or projection in a roof such as vent pipes, skylights, chimneys, adjoining walls, dormers and valleys. Galvanized metal flashing should be minimum 26 or 28-gauge. There are 4 main types of flashing used in residential roofing systems:
Flashing is one of the most important elements of the roof because it seals the seams and joints of the roof–the locations where leaks are most likely to occur. Often, flashing is not maintained well, or installed correctly in the first place. Check for the following signs that your flashing needs maintenance or repair:
In many cases the flashing can be cleaned and then repaired, relaminated or repainted (even in the case of rust). In other cases, the flashing may need to be replaced.
An asphalt-based cement used to bond roofing materials. Flashing cement is also known as mastic.