TOPIC: I Have An Existing Metal Roof and Have A Question
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My husband has a 52x70 shop with 16’ doors. We added on a eve off the east side. Unfortunately the pitch of the new roof is not quite as steep as the original roof.
The roof of the addition has new tin in it and it will not slide! This is our second winter with with the tin on. The roof does have plywood under the tin and is fully open in all sides.
Does anyone have any idea how to get this metal roof to slide?
I tried to attach a picture, but was unable to.
Thank you in advance!
Dirt on the roof will provide some adhesion in most cases so start with making sure it is clean.
If the pitch is that low that it doesn't want to self-clean the snow off, I would invest in a roof rake of some sort.
Thank you... we have a roof rake and consistently remove the snow. It is just a real pain and I’m hoping to figure something out to solve the issue short of remiving and rebuilding.
Hopefully this picture comes through of when we first built it.
When the roof is much more navigable (i.e. not with snow on it), you can also look into cleaning it and maybe some sort of application to promote a degrees of slipperiness.
Have you check with the panel manufacturer on what they allow for?
What you are looking for is usually the exact opposite of most folks are wanting with regards to snow retention and avoiding the snow slides.
This may seem like a stupid question but why do you want the snow to slide? Because your structure is open, both sides (top and bottom) of the roof are cold ... and there is no heat source unless perhaps if the sun comes out very brightly -- to cause the underside of the snow load to become slippery. If the problem is that snow from the adjoining steeper roof is melting and then causing ice dams when it runs into the downhill snow load, I would try to keep the area beneath that steeper roof cooler through ventilation so that the snow does not melt there. Another option is to put snow guards or snow fence on the steeper roof to help keep that snow from sliding and pushing onto the new lower pitch roof.
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