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Are snow guards another name for polar blocks?
We recently had a metal roof installed on our home & garage-Guardian Steel Frontier. Our local lumber yard has only plastic polar blocks available & we would prefer a more durable material.
Any advice would be appreciated. Thank you.
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Question: our contractor put in a brand new tin roof, and attached the plastic snow guards with a special glue. They all blew off and we had to get a new gutter (also brand new!). The contractor will re-do the roof by screwing in the roof guards. Home Depot explained to me that there is a kind of putty and a washer that seals the hole as the screw goes in. The contractor wants me to sign something that doesn't hold him responsible should we get leaks.
What are the chances of getting leaks? He did an excellent job building our house and we trust him, but he doesn't want to be bothered if we have a problem. Thank you!
Amy
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I have seen fairly good success with the glue-on plastic snowguards. I am guessing that either your roof is too profiled for them, the surface was wet or dirty, of the wrong adhesive was used.
Have you contacted the snowguard manufacturer for their advice?
If your roof is a concealed fastener standing seam, I would try to avoid face-fastening the snowguards ... not only might they leak but they could cause ripples in the metal panels.
If your roof is an exposed fastener panel, then you probably could face fasten the snowguards, using cap screws with washers and also lots of good sealant.
Send pictures of your roof to me if you wish ... [email protected]
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I installed plastic snow guards on 28 ga. steel shake-shingles and cannot keep them on. The first year every one came off. I thought maybe I didn't clean them good enough so the next year I was meticulous about cleaning with laquer thinner both the brakes and the shingle. I also roughed up the bottom of the brakes with a file after cleaning. I used the sealant adhesive that comes from the place I got the snow guards and reinstalled them per instructions. So far this winter, 8 have come off and I don't have much hope for the rest. I am about to resort to screwing them on but am apprehensive about all the holes in the roof and also expantion and contraction of metal shingles.I think the roof is a normal 4-12 pitch. Metal shingles were installed over old asphalt shingles. Any ideas?
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I am sorry and surprised to hear this. Have you contacted the metal shingle manufacturer for their input?
Generally, when installing thes eon a metal shingle roof, you could use stainless stell screws and lots of adhesive. I would not do it with a standing seam roof though as those need allowance for expansion and the screws would cause a problem with that.
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Thanks for your input. I have contacted both the snowguard supplier (www.guttersupply.com) and the shingle supplier (www.arrowheadproducts.com) but have not heard from either yet. I am also planning on contacting the installer of the roof (Sheehans home improvement) in LaCrosse Wi. They have the same roof and snowbrakes as mine and I notice a lot of their snowbrakes have come off also. I guess I should have did more checking before I went with metal roof. Sheehans could have been more honest and open but were more interested in a sale. Oh well, live and learn. Other than this problem I like metal roof just fine. I'm glad I found this forum and your help. One other question, the snowbrakes have three holes in them for screw mounting. Do you think there would be a problem with expantion and contraction ? Thank you very much.
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The guys at Arrowhead / Edco are good. I think you will hear from them.
However, no, on a metal shingle roof, you would not have issues with through fasteners on snowguards like you have.
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I also live in Wisconsin and have had a metal shingle for 6 years. I do not have snow brakes and do not want them. The snow does slide off the roof after a few days and I have to remove it from the driveway and sidewalk,but there is no snow weight on the roof. I live in the Milwaukee area and we had more than a foot of heavy wet snow. Ice dam problems abounded and roof rakes were in short supply. With metal shingles and no snow brakes my roof does not have any snow problems.
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It has been a month now and I have not heard from Arrowhead/Edco, I did receive a reply from Guttersupply but all they said was they would do some checking and get back to me later. They have not. I did notice that they have completely revised their mounting instructions at their website.
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I have never had ice dam problems as my roof and walls are properly insulated. I don't so much mind the snow sliding off the roof as to when it happens. When I am dressed for an evening out and ready to leave there is a surprise. I have to start shoveling. Also, don't forget to tell friends visiting not to park too close to the garage or they might have a flat hood.
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If you are in an area with a lot of snow, generally snow guards are a good idea. I've heard of more than one person who was injured by ice sliding off of a metal roof.
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when you glue down snow guards the cement takes 45-60 days to cure
the temperature at that point must remain somewhat consist. sb-190 is the most popular glue for that application and thats probably what he used. if you call the manufactor thats what they will tell you.
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I live in Iowa and this is the first winter having a steel roof. We got a ton of snow and it warmed up and it all did come off. Glad a car wasn't parked in the driveway.
I am thinking I want to install snow guards for next winter but not sure what to use. I called a place and they don't recommend the glue on snow guards as they had them on their commercial building and they came off. They really didn't know what to recommend.
I have an imperial rib style roof like one in link below. Open to suggestions.
Mark
http://www.abcmetalroofing.com/panels_imperialrib.html
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A couple of brands I am familiar with:
http://snoblox.com/
http://snowguards.biz/
Both of these companies have quality snowguards.
Also I believe several MRA members may sell snowguards, but I'm not sure which ones.
5/25/2007
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