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GCannon Inc

G.Cannon, Inc. is a full service roofing and siding company. We also install windows and seamless gutters.We offer free estimates, Limited lifetime warranties on shingles and flat roofs plus no payments for up to 12 months.

Answers from contractors near King of Prussia, PA

We would like to have a window at Steps to get more lighting in our one year old house. How much does it cost?
Dec 7, 2016
There are a lot of questions that would need to be answered. Here are just a few: 1. What is the size of the window you are looking for.  2. What type of material- vinyl, wood, fiberglass? 3. what sty ... read more
What's the best way to test out if my roof is leaking before it rains?
If you can get into your attic you should be able to see evidence of leaks. Look for staining and/or rotting wood at walls and penetrations.

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