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Applying Rubber Roofing and Flashing

The crew is on the new roof deck to apply a rubber roofing material. A thin layer if adheasive is applied and allowed to set up before the the rubber is rolled into place. Bob also deiscusses the flashing rubber that will be installed around the raliing posts.
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Applying Rubber Roofing and Flashing

  computer-generated transcript - may not be 100% accurate

" -Let's talk a little bit about rubber roofing. You, have you already got it all down?"

" -No. No we've just fitted it. We've got some of it done and we're just trimming around the post--"

" --Ok.--"

" --and we're ready to glue this up."

" -So this half of it is not glued up yet and this back half is?"

" -Yes."

" -Oh I see. Yes. Now, boy I'll say. Now once this touches the glue it's, it's had it right?"

" -That's it. Yes--"

" --You can't move it around anymore?--"

" --No."

" -What about situations like this where you have a crack in between the plywood?--"

" --Well--"

" --Don't you have to fill it?"

" -Now with this heavy rubber it just goes right over. You won't even see it afterwards."

" -Yes. And Steve what kind of an adhesive is this that you got in the bucket here?"

" -This, this is just a bonding adhesive that goes from the plywood to the rubber. "

" -Oh right. Smells great. Ok we'll watch you roll it out"

" -Now what's the first, the, the main thing to keep in mind when you're spreading this kind of glue out like this?"

" -Coz he wants to do a nice, even layer so there's no puddles or anything coz if you have a lot of puddles you're gonna have a lot of bubbles in the, in the rubber. "

" -And it looks like it's a very thin layer--"

" --Yes."

" --There's not very much of it going on."

" -No, you don't need too much."

" -So the way that you're Going at this reminds me of working with plastic laminates and that you have to out the adhesive on both surfaces--"

" --Yes and then you gotta wait until it's almost dry. Very tacky."

" --Which on a nice day like today is maybe 10 minutes?"

" -Yes, no more."

" -So you just slide it out like that--"

" --Yes."

" --and you prevent any air bubbles from getting under it"

" -Any air bubbles that would you can usually rub right out."

" -Ok so you've got enough of the, the same sheet that you can bring it right up the side wall here?"

" -Right. It's the same piece that will go right up the wall so there's no laps at all--"

" --And you, you don't have to worry, worry about ice building up or--"

" --No--"

" --anything like that"

" --No."

" -Yes. Ok. Now I was just noticing that you've got other pieces of a different material here--"

" --Right. That, well, this is your flashing rubber. It molds right around the, the post for us--"

" --So that--"

" --We're gonna, we're gonna was this right now."

" -When you say wash it--"

" --Well this is a cleaner. A splice cleaner."

" -And it's just a liquid."

" -Right. And what it does is that is primes the rubber so that the splicing adhesive will bond to it much better."

" -Yes I keep being reminded of fixing flats."

" -It, it probably would."

" -We're putting the splice flow [unk] down."

" -Now, this looks unlike a roofing cement product like a tar."

" -No. It's, it's [unk] it's a splice. It's a [unk] and its for their fishing [unk]."

" -So it's a chemical product?"

" -Yes."

" -You have to put it on both the, the post and the------ You do I guess."

" -Yes. -Yes."

" -And we gotta let it setup the same as we do on the bonding adhesive. "

" -5 or 10 minutes?"

" -It's 5 or 10 minutes or so. And then we're gonna wrap it right around that whole post and that'll be the end of it."

" -Okay. Well maybe were ready to put the, the other section up the side where the------"

" -Sure. We can do this right now."

" -I gotta let go here."

" -Okay. She should go right up."

" -And once it goes up, you don't need to nail it anywhere or staple it right?"

" -Well, they, they will now coat [unk] through the top part of this with, with the------"

" -With the siding."

" -With the siding. So that will, you know, so in case or whatever creaked out or something like that. But that's it. Here we go. That way, [unk] lot to come back up."

" -And you don't have to worry about------"

" -You wont have to worry about it because they seem concerned here with the, with the water."

" -But let's see if this is set up yet. Okay."

" -Now our glue's ready."

" -So this is also a rubberized product------"

" -Yes."

" -but it comes with the, an adhesive already applied to it."

" -And this, once that touches, I'd sand a bit."

" -It has no grace [unk]."

" -No grace. You just take it off, throw it away and start all over again."

" -I hate it. But I'm sure you're gonna get a good tight joint there. And that's one of the most problematic places coz what we had was a 4 by 4 post that's been let through the deck sheeting and bolted on to the rafters below it. So it's good and solid. But it's always gonna have a little bit of motion. And when you have a little bit of motion and a roofing material, you're gonna end up with a leak. That looks pretty good though Steve."

" -Yes. It seems to work quite well."

" -Yes. Nice job."

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