roofing 101


Roof side ventilation prevents heat and moisture build up in the attic. Trapped heat can radiate down into the home making the home more difficult to cool. Moisture build up may result in mildew and mold in the decking. Poor ventilation can also cause premature deterioration of shingles.

Exhaust ventilation comes in two basic forms: natural airflow ventilation (ridge vents, low profile vents, and wind turbines) and power airflow ventilation (electric exhaust fans). Due to the configuration of your attic one or both forms of exhaust ventilation may be best. An evaluation of the ventilation system is a vital element of a new roof system.


Quality underlayment (often known as felt or tar paper) protects and beautifies your home at the same time. It helps prevent wind-driven rain from infiltrating under your shingles and causing damage to the home. At Ridgepoint we use high performance fiberglass underlayment on high pitch roofs. This product lays flatter and will not tear adding to the beauty of the roof and protecting the installers during installation. We also offer 15 lb. and 30 lb. felt for low pitch roofs.


Shingles come in a variety of styles and from various manufacturers. The two primary types used in our market are the standard 3-tab shingle and the more textured architectural shingle. The 3-tab shingle is made of one strip of material and comes in 20 yrs to 30 yrs warranties. The 3-tab shingle is a flat product. The architectural shingle is two strips of shingle laminated together and comes in lifetime warranties.

Another important aspect of shingles is wind resistance. 3-tab shingles offer wind resistance from 60-70 miles per hour while architectural offer 110-130 miles per hour.

Each manufacturer has its own colors and look. Shingles should be reviewed for both technical and aesthetic value. In the southeastern region it is wise to use only algae-resistant shingles. (Ridgepoint installs only algae-resistant shingles.)

Preferred 3-Tab Shingles

Certainteed XT 25AR or XT 30AR

Preferred Architectural Shingles

Certainteed Landmark 30AR

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