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chrissy1996 11-21-2011 03:56 PM

flat roof
 
hi all i am building a porch with a flat roof, i have cut my timbers into the excisting brickwork and run it onto the new wall, i am then goint to lift the first 2 rows of tiles to the excisting roof and run my new felt under the first 2 rows of tiles then onto my new roof. is this ok to do this.

Many Thanks

woodworkbykirk 11-21-2011 04:12 PM

a flat roof needs to be properly flashed with metal where it meets the house.. and tar paper is no good for the roof, it needs to be rolled roofing or torched on

Maintenance 6 11-22-2011 08:08 AM

It sounds like you intend to tie in a flat roof at the base of a sloped roof. Unless you pay particular attention to details, you will have a leak waiting to happen. What is the final waterproof material you will use for the flat roof? What is the sloped roof made from? How much slope? You said "tiles". By that do you mean true roofing tiles or shingles? What is your location? Snow load?

Michael Thomas 11-22-2011 10:42 AM

Quote:

Originally Posted by chrissy1996 (Post 776365)
hi all i am building a porch with a flat roof, i have cut my timbers into the excising brickwork and run it onto the new wall, i am then goint to lift the first 2 rows of tiles to the excising roof...

Tiles, or shingles?


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