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Started By
Message
Help with crack in copper roof.
Posted on 1/30/23 at 1:52 pm
Posted on 1/30/23 at 1:52 pm
I have a little awning/balcony type roof that has copper sheeting over the wood. There are 2 copper sheets that are soldered. There is a little crack in one section a couple of inches long that is letting water underneath.
I'd really like to fix it myself as getting anyone out for a small job like that is pricey compared to the work. Could I use some kind of waterproof sealant to cover the crack and be good. I saw where they make something for copper pipes. Or I was thinking about doing a generous coating of something like Flex Seal.
I don't care how it looks because you can't see it. I just want it to be water tight.
I'd really like to fix it myself as getting anyone out for a small job like that is pricey compared to the work. Could I use some kind of waterproof sealant to cover the crack and be good. I saw where they make something for copper pipes. Or I was thinking about doing a generous coating of something like Flex Seal.
I don't care how it looks because you can't see it. I just want it to be water tight.
9
Posted on 1/30/23 at 2:03 pm to OysterPoBoy
Could you install one more sheet over that joint?
Posted on 1/30/23 at 2:08 pm to Gauxt
I'm not sure if I could do that myself. It's similar to this. The crack is in the soldering area.
Posted on 1/30/23 at 2:09 pm to OysterPoBoy
Just resolder it.
Posted on 1/30/23 at 3:09 pm to bbvdd
quote:
Just resolder it.
Now that I googled it I think I can handle that. I thought I needed some special tools but it looks like I can do it with a torch.
Posted on 1/30/23 at 3:54 pm to OysterPoBoy
I'm by no means an expert, but how much flex does that area have? I wouldn't think it would be great for solder if it flexed? But yeah soldering something like that would be very easy.
Go to a local lumber yard that sells construction supplies and talk to the guys there, they will likely know how to fix it.
I'd think you could also take something like roofing tar or NP1 caulk and call it a day also.
Go to a local lumber yard that sells construction supplies and talk to the guys there, they will likely know how to fix it.
I'd think you could also take something like roofing tar or NP1 caulk and call it a day also.
This post was edited on 1/30/23 at 3:55 pm
Posted on 1/30/23 at 5:24 pm to OysterPoBoy
quote:
Now that I googled it I think I can handle that. I thought I needed some special tools but it looks like I can do it with a torch.
Just go easy or you could ignite the plywood beneath.
Posted on 1/30/23 at 6:52 pm to OysterPoBoy
Posted on 1/30/23 at 8:49 pm to WPBTiger
That’s what I want to do.
Posted on 1/31/23 at 8:16 am to OysterPoBoy
If you have an outside burner, I'd try to melt some copper and just pour it over the crack.
Posted on 1/31/23 at 9:12 am to OysterPoBoy
Posted on 1/31/23 at 8:48 pm to Baers Foot
quote:
If you have an outside burner, I'd try to melt some copper and just pour it over the crack.
I don't think that will work. Copper has to be heated to almost 2000 F to melt it, and a propane burner is not that hot.
There are several caulking products that should work to stop your leak. You probably will have to drill a hole in the copper to be able to "inject" the caulk.
This post was edited on 1/31/23 at 8:54 pm
Posted on 2/1/23 at 6:17 am to OysterPoBoy
I would use something that hardens when it cures. There are a number of 2 part products that are designed for flat roof work that would take care of this, but usually come in 3-5 gallon buckets. I would to to Home Depot and get a small thing of two part epoxy and use that. It should take care of it
Posted on 2/1/23 at 8:34 pm to OysterPoBoy
Easiest get cooper stain glass foil solder it use the foil as a patch drill a small hole at the end of the crack
Posted on 2/2/23 at 11:57 pm to OysterPoBoy
I would caulk it with some polyethylene caulking or the black roofing caulk. Lightly sand the copper with a fine grit paper, clean debris and smooth the caulking out so water runs over it without resistance.
Posted on 2/4/23 at 10:25 pm to OysterPoBoy
I have used JB Weld to seal a crack in a copper radiator successfully. Just rough it up with finr\e grit sandpaper and apply the product.
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