Wednesday, December 30, 2009

Roofing In the Winter? You Guys Do Roofs This Time Of Year?

Most people do not think that you can install roofs during the winter months. Actually, the truth is, you can install roofing all year. I believe why people think that way is because of the way the asphalt shingles were made before the 1970's. Those shingles were called organic shingles, which had a saturated asphalt paper type matting. The matting is a substrate covered with asphalt, and then with stone dust and small colored rock granules.

Today's asphalt shingle are made with fiberglass matting which is saturated with asphalt, and the colored stone granules that are pressed into the asphalt. This fiberglass matting that is much more plyable, and gives the shingle more flexibility and tensile strength. The most important part of installing the shingle is nail placement, and angle of the nail. We use 6 nails per shingle, which help hold the shingles down during heavy winds, and especially on the waterfront properties. The manufacture recommends using 4 nails per shingle, but by adding 6 nails per shingle it extends the wind resistance to 80 to 100 mile's an hour depending on the shingle chosen. Underlayment should always be used under the shingles as a vapor barrier. There are many different types of underlayments, which include Ice & water shield, tar paper, and synthetic.

We have always use 3' or 6' feet of ice & water shield along the eave's and overhangs, then tar paper on the remaining roof decking. Then install your choice of asphalt shingles. For maximum protection against water penetration, would be full coverage ice & water shield completely covering the roof deck. We primarily use architectural shingles for most of the roofing installations today, because of the durability of the laminated shingle compared to the old 3-tab design.

Laminated shingles are glued together with asphalt, and the weight of the shingle determines the life expectancy. This means a 30 year shingle weighs 265 pounds a square, and a 50 year shingle weighs 300 pounds a square. This is determined by the amount of asphalt, and colored stone granulates, that gets pressed into the fiberglass matting. To get back to installing roofing during the winter months, our installers really like installing roofs during the colder months, because they really take a beating from the heat during the summer months. Some of our veteran roofing technicians, would rather install roofing during the winter. Remember you do not have to wait until summer to get your roof installed. Call now or schedule your appointment online. We install approximately 20-40 roofs during the winter months. We have our roof maintenance packages available for shoveling roofs. If you are having any problems give us a call, and we would be glad to come over and see what we can do to help.

5 comments:

  1. Roofing during the winter is a little dangerous as there can be black ice on your roof. It is difficult.

    -Keystone Contracting Corp.

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