Underlayment For Shingles On A Roof

Be mindful of the proper nailing technique so that your nails always hold the top edge of the course beneath it.

Underlayment for shingles on a roof.

The modern roof system consists of multiple components and the first one to go down on the decking that supports your roof is shingle underlayment. Working your way up and across begin laying your courses. Roofing underlayment provides your roof with an extra layer of protection that shingles alone can t match. Shingles reflect the sun s rays withstand wind and block precipitation.

Despite its wide range of compatibility it still does offer a bit more whenever you re dealing with asphalt shingles. Underlayment flashings and shingles all work together and must be installed in the correct order. Underlayment installed directly on top of the roof decking and underneath the shingles underlayment provides an additional watertight layer of protection for the decking and interior areas. Roofing underlayment is what lies between the shingles and the roof sheathing or roof deck which is typically either plywood or osb.

Roof underlayment prevents the roof deck from being exposed to the elements before or while the roofing material is being installed. Together these parts of your roofing system provide weatherproofing to prevent moisture from entering your home. For many years felt paper served as the leading type of shingle underlayment. It s installed directly on the roof deck and provides a secondary layer of protection from the elements including rain snow and wind.

The purpose of the shingle underlayment is to provide an additional moisture resistant layer to back up your roof shingles. Now that you ve conquered the underlayment and drip edge and plotted your course it s time to truly learn how to install roof shingles. They re the first line of defense. Your shingles serve their own purpose.

If you re looking for the best roof underlayment for asphalt shingles then the tyvek protec 120 should be on your wishlist. A roofing contractor installing synthetic shingle underlayment. What is shingle underlayment. But shingles overlap and aren t sealed at all corners.