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janetkitchen 01-08-2013 04:49 PM

roof problem
 
We live in southern alberta.We have a very large building with afairly flat roof

.When we get a lot of snow and the weather warms up it turns to ice and if it starts melting the ice seems to sit there and and before it can start running it starts to leak through.

I've heard heat tapes work and if they do what kind of business sells what I need?We just put in new wave troughs and they are free and clear.
Thanks Janet

joecaption 01-08-2013 05:24 PM

I'm not seeing how a heat tape is going to help, and how your you attach it without making holes in the roof?
If the roof is leaking there's something wrong with the roof.
With a flat roof it's not a matter of if it's going to leak, but when.
What's on there know as a foor coating?

oh'mike 01-08-2013 05:47 PM

Janet---If you could post a picture the roof gang can offer the best suggestion for a fix---Mike---

Welcome to the site----lots of wonderful Canadians here----

jagans 01-08-2013 10:00 PM

A well designed and executed low slope roof does not leak. They are designed to handle hydrostatic pressure, ice buildup etc. Penetrations must be high enough to handle anticipated snow loads. If you don't have internal roof drains you need them. Internals stay warm and allow melt water to exit the roof.

All roofs leak eventually. I had a client once that was complaining vociferously about his flat roof that was leaking. He was right, but it was the base flashings that were leaking, not the roof. It was a 45 year old 5 ply Coal Tar Pitch built up roof with Tar Based organic felts. Counter flashings were 22 oz. lead coated copper. That roof was literally bullet proof. God is in the details.

Oh Sorry, Heat tape will do nothing for you, you need to have your roof redesigned by somebody like...........................ME.

oh'mike 01-09-2013 06:54 AM

Quote:

Originally Posted by jagans (Post 1089356)
A well designed and executed low slope roof does not leak. They are designed to handle hydrostatic pressure, ice buildup etc. Penetrations must be high enough to handle anticipated snow loads. If you don't have internal roof drains you need them. Internals stay warm and allow melt water to exit the roof.



Oh Sorry, Heat tape will do nothing for you, you need to have your roof redesigned by somebody like...........................ME.

Please PM the address in a hurry---he's in his truck, on the way to Medicine Hat and is almost there---:laughing:

1985gt 01-09-2013 01:08 PM

Quote:

Originally Posted by joecaption (Post 1089199)
I'm not seeing how a heat tape is going to help, and how your you attach it without making holes in the roof?
If the roof is leaking there's something wrong with the roof.
With a flat roof it's not a matter of if it's going to leak, but when.
What's on there know as a foor coating?

NP-1 works wonders in holding down the clips.

Dido on a sloped roof.


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