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Winter Grade - When To Switch Post New Topic | Post Reply
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Tim Adams
Posted: Oct 11, 2014 09:32 AM
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Winter Grade - When To Switch
We use Permax 3.0 lb roofing foam and we're getting mixed signals about when to switch to mid-grade then to winter-grade chemicals. Right now it is getting into the upper 40's at night and 75 during the day. Thoughts? |