Owens Corning roof underlayment costs, pros and cons

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Roofing underlayment is a layer of material placed on top of the roof decking to prevent water from seeping into the structure of your home. Owens Corning roof underlayment is used beneath a layer of asphalt shingles.

The shingles provide the majority of the protection against driving rain and snow. The underlayment stops any moisture that seeps between the shingles from penetrating into the interior of your home.

Owens Corning offers two types of underlayment products. Before choosing between the two, it's important to know the pros and cons of each, as well as the roofing underlayment cost.

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A leader in the residential roofing industry, Owens Corning supplies a wide variety of roofing materials, from shingles to underlayment.

One of the more commonly used underlayment materials from Owens Corning is the Deck Defense roof underlayment, a synthetic underlayment that provides up to six months of protection from moisture and UV exposure without being covered by a layer of shingles.

Once shingles are placed over the Deck Defense underlayment, the layer serves as a water-shedding barrier beneath the shingles. It resists the moisture that manages to make its way beneath the shingle layer and directs the flow of water down the roof's slope and off the side.

Along with waterproofing, the underlayment is tear resistant, making it easier to install by workers who must walk over the material in order to nail it into place.

The Fiberglas reinforced-felt Owens Corning roof underlayment is designed with strength and ease of installation in mind. The material is stronger than a traditional felt underlayment to resist tearing both during installation and when exposed to strong winds. It's designed to lay flat when rolled into place, making installation easier. It resists wrinkling from moisture and wind, which keeps it from pulling away from the fasteners holding it in place after installation.

Both types of Owens Corning roof underlayment use a felt-mat design like that used with traditional roofing tar paper, which keeps costs lower than with rubber underlayment. Because they use a matting rather than a single sheet, the materials can still be torn after placement.

The longer the underlayment is exposed to the sun's UV rays, the less resistant the material becomes to tearing. However, the possibility of tearing is reduced after the layer of shingles is installed over the underlayment.

While you can install roofing underlayment on a DIY basis, such an installation may void the roofing warranty of the underlayment or the shingles placed on top of the material. Therefore, it is recommended that any residential roofing work be done by a licensed contractor. To find a contractor experienced with asphalt roofing, use Reply!

Once a contractor is found, you can then have the contractor provide you with an estimate of roofing prices, including the cost for the roofing membrane material and the cost for labor. It's best to contact several roofing contractors to obtain multiple roofing estimates for comparison.

With the roofing costs for both types of roofing material in mind, you can make an informed decision as to which Owens Corning roof underlayment product you wish to use for your asphalt roof. Either one will provide you with protection, serving as a second line of defense against rain and snow beneath the shingles of your choice.