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Old 04-29-2015, 03:55 PM   #1
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How To Repair(flat roof w/a hole)


i've got a flat roof that had a hole from someone stepping in a weak spot. i have reinforced the area below the roof to help keep it from happening again, but i have little experience with this type of roof so i would like to know some steps and materials i need to repair this hole. i have attached some pictures of the area below. i have done a few asphalt shingle roofs and a few white elasti roofs, but never one like this, or at least nothing other than some tar and mesh at a few of the seems. i believe it is 3 ply rolled roof. the hole is on one edge with flashing and is approx. 1.5 ft x 4 ft. any help appriated and i will be able to answer any other questions about the roof as well.
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Old 04-30-2015, 12:42 PM   #2
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How To Repair(flat roof w/a hole)


Fix the hole, in fill the low spot with fiberboard to equal the height of the original roof. Apply one ply of SBS base sheet set in SBS adhesive, then apply one ply of SBS granulated cap sheet set in SBS adhesive.

You will find that buying the materials to repair the roof will be far more then paying a commercial roofer to do it. Plus you will have 3/4 a roll of cap sheet and most of the base sheet left over.

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Old 04-30-2015, 04:49 PM   #3
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How To Repair(flat roof w/a hole)


thanks. at the time of the post i had already added some support to the roof. just finished up the patch now. looks great and only has to hold for a year at most until i get the whole roof re-done. only down side is i wish you could buy it by the foot or some smaller pieces just for patches. got lots of it left over
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Old 05-01-2015, 11:18 AM   #4
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How To Repair(flat roof w/a hole)


The only other option would be talk to a commercial roofer and see if they have a partial roll they would sell you. We sell lots of EPDM pieces to various people, I guess I could have mentioned that in the original post.
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