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ykhanna 01-08-2009 03:43 PM

Flat Roof - Duradek vs EPDM vs TPO
I am putting an addition (approx 20 ft x 30 ft master bedroom / sitting room) to my house that will have a flat walk-on roof that will function as a balcony. The balcony will be accessible via an upstairs bedroom.

Need expert guidance on:

What is the most durable option among the three alternatives? I don't want to be dealing with leaks and expensive repairs.

How do these options compare in price?

Do I need a floating deck on top of TPO or Duradek? I know I will need one on top of EPDM rubber membrane.

What are some of the key do's and don't s related to each option?

RooferJim 01-11-2009 05:43 PM

EPDM would be the best because you could most likley have it as one piece with no seams and the wall flashing is the membrane glued up the wall. Its a great long term roof. the TPO's are OK but you get more seams and pay more money.


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