They give the roof a finished look while forming a protective seal.
Purpose of roofing shingles.
Roofing experts have discovered that adding a layer of protection between your structural roof decking the layer of wood that covers your rafters and your roof shingles helps create a better looking and longer lasting roof.
Many wonder at what materials is the making of roofing shingles.
Roof shingles are a roof covering consisting of individual overlapping elements.
In most climates exposure to even a few weeks of normal sunlight will cause the glue tabs on the under side of asphalt roof shingles to soften and adhere to the surface below.
The success with which asphalt shingles bond together as the glue strip is heated by sun exposure is a factor in protecting roof shingles from wind damage and blow off.
The shingles covering performs a double purpose safeguarding the roof and enhancing the roofing beauty of the house.
Asphalt shingles are easy to install last anywhere from 10 to 50.
Lumpy bumpy or curling shingles that do not lie flat can be problematic but.
So when observers look up at the roof gable ends they ll see an aesthetically pleasing uniform line rather than ragged and uneven shingle ends.
Manufacturer s offer products with varying degrees of performance against these natural elements.
These elements are typically flat rectangular shapes laid in courses from the bottom edge of the roof up with each successive course overlapping the joints below.
For cr s roofing tests we focus strictly on asphalt roofing shingles because they re by far the most common choice for roofs.
A simpler and very useful purpose for using starter shingles along the rake edge is that it gives the installer a nice straight line to use as a guide when ending each course of the field shingles.
In fact there are a number of important ways roofing felt not only protects your roof but also your residence.
According to the asphalt roofing manufacturer s association roofing shingles are comprised of felt asphalt and granules.