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Trademark Roofing - 707-455-ROOF (7663) - Sacramento, Walnut Creek, Concord, Contra Costa County Roofing Contractor

Roofing Systems

Composition Roofing

These types of roofing systems are to be installed on roofs that have 3 and 12 slopes or greater. What this means that for every 12 inches of horizontal roof span, the roof slopes drops 3 inches. Your typical installation of composition shingles has an underlayment of #15 (15 Pounds) or #30 (30 Pounds) roofing felt. Installed next is a asphalt saturated shingle with a layer of granules embedded in the matting. There are many different colors, styles and manufacturers of these products. The most common is the laminated shingle. These shingles consist of two layers of fiberglass-reinforced matting that are laminated into one shingle unit, these types of roofs require little maintenance if installed correctly. The average life expectancy of these roofing systems are 20-50 years.

Modified Bitumen Roofing Systems

This is a roofing material that can be installed by melting it with a propane torch, self-adhered, or mopped on using hot asphalt. The system consist of one layer of fiberglass material base sheet and one to two layers of modified Bitumen Saturated Polyester material. These systems are usually us for low pitch or flat roofs. The average life expectancy of this roof system is ten to twenty years, depending on the type of system that is installed. You can prolong the life of your roof by installing an aluminum roof coating or other similar systems to protect the roofing material from ultra violet damage.

Ridged Roofing Systems

These systems are materials consisting of slate, terracotta, concrete, metal, or a combination of materials to create an individual roof shingle or tile. These roofs have many styles and variations. These roofs are installed much like composition shingle systems. The life expectancy of these materials can very from 20 to 60 years plus.

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