PDM for curved screened porch
#1
01-10-21, 05:49 AM
PDM for curved screened porch
I am planning to build a curved screened porch roof with slope that varies from almost flat to 1:1. To make sure that the low slope areas don't leak, I am planning to use EPDM membrane bonded to the 3/8" plywood supported by rafters at 15". Do you see any problem installing the EPMD with significant slopes?
On one side, the curved roof will form a valley with an old existing roof with shingles and a 4:12 slope. I plan to replace the existing shingles with new ones. At the valley, the EPDM would overlap under the shingles, say 18 or 24 inches. Do you think this will work? I am assuming that the singles will have to be nailed through the EPDM with mastic at the nails. Does anyone has other ideas to do this?
On one side, the curved roof will form a valley with an old existing roof with shingles and a 4:12 slope. I plan to replace the existing shingles with new ones. At the valley, the EPDM would overlap under the shingles, say 18 or 24 inches. Do you think this will work? I am assuming that the singles will have to be nailed through the EPDM with mastic at the nails. Does anyone has other ideas to do this?
