How To Reseal Roof Shingles

Although wind may lift an unsealed shingle wind does not cause a sound shingle roof system to become unsealed.

How to reseal roof shingles.

This includes the joints edges and peaks of the roof. Apply primer coat of sealant. Cost of resealing a flat roof. Remove dirt and dust from surface of roof.

As you lift the shingles apply the cement to the back of the shingle about six inches in. Asbestos free asphalt roof cement astm d4586 should be used for sealing the shingles. Shingles are considered wind damaged when they are torn creased or detached from the roof most commonly wind damage occurs when three tab shingles are creased by repeated lifting or flapping. Start at the edge of the roof deck.

Hammer in any exposed nails that you loosened so the shingles are secure. Apply at least one coloured top coat of sealant. Tube under the corner. A complete tear off and replace of a flat roof can cost anywhere from 2 500 to more than 11 000.

That s all there is to it. Apply a coat of sealant to the roof using the roller. Coat vent pipes flashing and valley irons. Check seals in roof valleys and around flashing.

Make sure that the coat is as thorough as possible. Leave the weight in place for at least 24 hours until the sealant dries. Unsealed shingles without physical mat damage are not considered wind damaged. Stage a container of elastomeric roof coating near one side of the roof opposite of the roof access.

Weigh it down with a brick right. Of course you don t want cement oozing all over your roof but you do want to ensure a strong seal. Apply a generous amount of coating to the parapet walls and. Purchase the cement in a tube that will fit your caulk gun.

If a shingle is simply cracked or torn you don t have to replace it just repair it. If possible choose a sunny day for the hand sealing of asphalt shingles. How often you need to do this will vary depending on the type brand coating thickness and climate. High pressure clean to remove dirt lichen and moss.

After that place the new shingle in the same position and use shingle cement to reseal the edges of all of the shingles. When applying the cement you want to apply a very liberal quantity. Resealing your current roof can extend its life and avoid replacement. Work your way down to the damaged shingles loosening adhesive and nails so you can pull the damaged shingles free.

Use a caulking gun to apply a dab of roofing sealant about 4 per 10 oz.