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Roofing – Underlayment and Shingles – Clearwater

Jul 15, 2021

2 min read


Educate yourself on how your roof is done by reading this blog. Time to learn more about underlayment and shingles!

Ongoing our underlayment and asphalt shingles for our roofing.

This is a photo of current roof membrane and asphalt shingle additions to Union Street Clearwater, Florida, constructed by Parasol Properties.

Underlayment is a water-resistant or waterproof barrier material that is installed directly onto your roof deck or plywood. It is applied under all other roofing materials as an added layer of protection from severe weather.

Asphalt roof shingles offer protection against the elements, move moisture efficiently, and require little maintenance compared to other common roof systems. Asphalt shingles are by far the most popular residential roofing material utilized in North America today. When properly installed by a qualified roof contractor, asphalt shingle roof systems are long-lasting, effective, and durable.

Underlayment (or Membrane)

The first component to be installed on the roof is underlayment. Underlayment’s are manufactured and designed with different properties for the home, climate, and roof covering materials needs.

One of the main functions of underlayment is to act as a moisture barrier.   Most roof covering materials are not waterproof but water-resistant. They are designed to be installed over a waterproof or water-resistant underlay or in conjunction with the underlay.   Some underlays are designed with superior strength to act as secondary protection should there be damage to the roof (i.e., wind blow-off). In comparison, others help to achieve a Class A fire rating for the product being installed.

Roofing underlay is also useful to protect the roof structure below. It provides a second line of defense against water entry. It also protects the roof deck from condensation that forms on the underside of the roofing material. Protecting the roof sheeting and the structure from moisture is important in maintaining the integrity of the building. 

Roofing Shingles

Asphalt shingles are by far the most popular residential roofing material utilized in North America today. According to the Asphalt Roofing Manufacturers Association, four out of every five homes in the U.S. are roofed with asphalt shingles. More than 12.5 billion square feet of shingle products are manufactured annually – enough to cover at least 5 million homes!

How have you learned about this part of house construction so far? Would you like to ensure that your next home construction in Tampa Bay will be headache-free? There's one guaranteed solution for that, a trusted custom home builder!

This article was last updated on May 26, 2022