Why Are Shingled Offsets On A Roof Important

Although many customers prefer to see the cutouts aligned on the roof this directs runoff into channels that erode the shingle surface.

Why are shingled offsets on a roof important.

The 5 inch offset pattern provides the best all around protection. Many manufacturers offer ar algae resistant shingles which have a special copper composition in their granules as copper is proven to help control algae growth. On lower slope roofs in wet and extreme climates prone to severe freeze thaw cycling the 4 inch pat. Here are a few reasons why a good roof is important.

These shingles are made of dense fiberglass with a mat base and are extremely well armoured against moisture partially owing to the state of the art mineral granules coated in a ceramic shield embedded in the asphalt. One of the largest investments people make is their home. Roofs are a fundamental element to your home. There are four basic patterns to laying out three tab shingles.

The first main purpose of asphalt shingles is to provide protection against the sun s ultraviolet uv rays and extreme temperature changes. Shingles farther up the roof are protected by the courses beneath them which catch and divert any water that happens to drip between the edges. If the starter shingles are not secured correctly at the eave or rake and the first course of shingles is not nailed down evenly across the top of the starter shingles. Because the bending can stress and deform shingles especially in cold weather the ends of those shingles may warp over time creating a prominent pattern on the roof.

Performing ongoing maintenance on your roof will help prolong it s life and by extension the life of your whole property. In addition to being long lasting architectural shingles give your roof a cool textured style that is easy on the eyes. According to roofing contractors the granules physically block and limit the amount of sunlight and heat that can be absorbed by the individual shingles. Roof shingles are almost always highly visible and so are an important aspect of a building s aesthetics in patterns textures and colors.

The first course of shingles needs the same defense from the elements. Proper alignment is important when installing both the starter shingles and the first course of shingles. Different treatment methods are used to prevent algae growth and the subsequent discoloration that can occur on the roof. The cut outs separating the shingle tabs line up every other course.

Roof shingles like other building materials on vernacular buildings are typically of a material locally available. Tern or others with less than 4 inches of offset may not promote optimum service in the later years of the roofs life when age and weathering may cause organic and some fiberglass shingles to lift from the roof plane. Three tab shingles are most typically installed with a half tab offset that yields the characteristic brickwork appearance. Straight up method a half pattern b 4 inch offset c and 5 inch offset d.

Pattern curling is caused by the roofer having to lift the end tab of every other shingle to install the last shingle nail at the end of the next shingle.