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producto 03-08-2008 03:45 PM

Replacing flat roof
Hi. The joys of home-ownership. On Friday, I paid an electrician $1,600 to put in a new circuit-breaker panel. Today, as I watched a new leak form on my living room ceiling, I decided that I was going to bite the bullet, refinance, and pay a professional roofer to repair the asphalt roof that I have been doing my own repairs on for the past year or so.

Here is the deal. I have a flat roof with a low-grade pitch. The roofing is asphalt. It is a 1,000 square foot. I live in upstate New York. I don't intend to live in this house for too much longer, maybe another two years.

Although I intend to sell the house within a couple years, I can't bring myself to do this as cheaply as possible, but I also don't wanna put the best roof money can buy on there either.

These are my questions: What material (or materials) fit my needs? Should I pay to have the existing roof torn off or just have one put on top of the old one? How much money should I expect to spend (so I don't cringe when I hear the number)?


Ed the Roofer 03-09-2008 03:58 PM

If the decking is in sound structural condition, it is perfectly acceptable to go over the existing asphalt roof.

The Devil is in the details, though.

Proper flashing to wall tie-in areas and perimeter flashings and terminations are critical.

If it is a smooth surface hot asphalt mopped roof, then a modified bitumen single ply membrane would be the most cost efficient product to have installed.

Figure, comparitively speaking, pricing around Chicago should be similar, around $200.00 per square X 10 squares plus about 10% to 20% waste, depending on the layout and obstacles in the way, plus additional for any flashing details.


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