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Question DetailsAsked on 2/20/2018

POLYSTICK TU PLUS VS BORAL TILESEL HT

WISH ONE IS BETTER UNDERLAYMENT FOR A SLOPE ROOF IN MIAMI FLORIDA

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Boral has been around, oh probably about half a century and is one of the largest (if not the largest) tile roofing manufacturer in the country - their products generally have a pretty good repuration, from what I have seen/heard. Polystick is specifically made for adhesive tile applications (where the tile is glued down rather than nailed or held with brackets), and Polyglas products (who makes Polystick) also has a good reputation.


I would say use the one which best meets tile manufacturer recommendations - just from the materials themselves for underlayment watertightness I would personally favor Polyseal/Polystick, but there have been a few reports in real hot climates like Texas and Arizona of material leakage out from under tiles dripping off the edge of the roof. Don't know just how hot it has to get for that to happen, but since you are presumably in the normal Miami weather area I would guess probably not too likely or there would have been a LOT of reports of it and complaints. Couple of polystick comments I have seen here -


http://talk.roofing.com/t/melting-roo...


http://talk.roofing.com/t/problem-wit...


I don't know if the Boral product has similar issues, because it is made much the same.


Also a couple of similar questions with answers on your situation FYI:


http://answers.angieslist.com/One-roo...


http://answers.angieslist.com/What-ro...


Also check if your insurance company gives a roofing design credit with peel and stick and if so are there specific brands they "approve" - some do because even if the roofing blows off, the peel-and-stick underlayment many times stays on and prevents water from getting through.

Answered 8 months ago by LCD




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