Installing a rubber roof!

Wildie

In the spring I plan to build a roof over my concrete deck! It will be a 'shed style' roof attached to a ledger board just under the soffit of a 'hip' roof. The hip roof has a 9/12 pitch and this will meld into the new shed roof, which will have a 2/12 pitch. I'm considering using what i believe to be EPDM rubber roofing! My question is how to mate up to the shingled hip roof and how to finish it off, on the eaves!

BornaRoofer

You will remove enough shingle courses to get the epdm up at least 3-4 feet. Then install shingles over the epdm staying up 10"-12" from the angle change.
On the remaining edges install drip edge over the epdm and strip with primer and 5" quick seam.

Wildie

Thanks for the quick reply! I'm unfamiliar with the terms 'primer and quick seam', roofing isn't my strong suite! (that means that I don't know @#$%^ about it) LOL! if you would fill me in what these mean, I would appreciate it! The eave of the hip roof spans about 20 feet and the shed roof will span 14 feet. The new roof will be approximately centered. Thinking about running the EDPM up the hip, should I run it out beyond the shed roof, to the sides?

AaronB

Dont use drip edge. Have a real perimeter metal fabricated.

Yes, you should go beyond the shed roof. You should also be aware that you will have to tie the roofing in to the shingle roof properly. This INCLUDES going beyond.

Am I correct to assume that you will have a fascia running into the shingle roof plane?

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Baron

The commercial flat roof drip edge with no lip, about 3"x3" works fine and it needs to be screwed down over the rubber which you will allow to hang over the edges about 2 inches. Use scissors when cutting.

What Bornaroofer was referring to is the metal drip edge then needs to be covered with a strip of rubber 5" wide and glued in place. If you cut strips by hand you can use rubber to rubber adhesive after cleaning both surfaces with the cleaner they sell for it, or use the prepared roll of seam tape (5" wide rubber in a roll) and buy the primer for it to glue it down over the drip edge top so the tape covers the drip edge but not over the sides.

All seams should get a bead of lap sealant to prevent UV deteriation.

They sell a video how to I am sure as I saw one when the materials first came out.

Tom Struble

epdm is a great material and is perfect for the kind of low slope
application that your talking about.
But it has very precise installation procedures not really a diy project if you ask me.Epdm manufactures prefer factory trained installers
just my opinion

Wildie

Yes, the fascia join to the existing house fascia!

Wildie

I just had the main building roof shingled a short time ago, and was impressed with the roofer that I hired for this! Whether he is capable of working with EPDM I'm unsure! I will be contacting him shortly! Although I have the building permit, I'm still working on the drawings for the roof and I want to be familiar with the roofing methods, before the plans are finalized! Thanks for your input!

Tom Struble

good you have a pro roofer doing the workIts just ive seen a roofing shingle crew really screw up a rubber roof good luck

Wildie

I guess that's why I posted here, so that I will be educated enough to choose a knowledgeable roofer!

Baron

All of us Pros started as novices at one time.
Ask and learn.
Attempt the work and gain understanding.
Hire a pro and learn that all pros are not alike.

It is good that you ask questions now, rather then pay the price later.

Wildie

Thanks!