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Discussion Starter · #1 ·
What is the best exterior sealant for installing vinyl replacement windows in cold weather below freezing.
 

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Curmudgeon
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11,706 Posts
I load a couple of gallon jugs
of hot water in a cooler
when I leave home.
Keeps caulk all day if I don't
leave the lid up too long when
I switch out tubes.
 

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49 Posts
Discussion Starter · #14 ·
I tried some OSI quad for the first time, wow does that stuff grip! Had to wash my hands with denatured alcohol to get it all off my fingers i used for spreading.
 

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General Contractor
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8,090 Posts
Red Devil makes a few types of caulk which can be applied in bellow freezing temperature. One is Silicone Architectural Grade $5 or less a tube and one is clear HPC caulk.
 
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