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This old house up on the roof.
To keep the algae from coming back insert 6 inch wide strips of zinc or copper under the row of shingling closest to the roof peak leaving an inch or two of the lower edge exposed to the weather.
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Using the chalk line snap a line between the two marks to get a straight edge.
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What you need to know about choosing and installing an asphalt roof that will protect and enhance your home for years to come.
He also carried the self adhering membrane over the joint where the fascia meets the sheathing.
That way whenever it rains some of the metal molecules will wash down the roof and kill any algae trying to regain a foothold on your shingles.
Ask this old house general contractor tom silva compares the qualities of different types of roofing materials.
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For a foolproof color scheme pick a roof that incorporates a shade on the house like the darker charcoal tones in the architectural shingles here which tie into the house s trim.
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Due to the location of this roof which will receive runoff and snow from adjacent roofs silva ran the ice and water membrane all the way up the roof a belt and suspenders approach lapping it up the sidewalls.
To start installing shingles line up aluminum drip edge flush with the edge of the roof and make a pencil line at the top on each end of the house.
Ask this old house general contractor tom silva explains the best ways to keep your roof and gutters free from those dreaded ice dams.
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