Modified SBS underlayment vs. Conventional tile underlayment


#1

iam new to the site so take it easy. I would like your opinion about using sbs modified tile underlayment vs conventional 15 or 30#?


#2

dont be affraid casperboy,
we can only verbally abuse you here.

sbs is gonna be better than plain dryin, duh.

gweedo.


#3

Mopped on is awesome.


#4

how will the seams be done???what are you using to adhere or attach your sbs to the substrate???


#5

Hello,

I’m going to attach the sheets with mechanical fasteners over osb.
The roof has a 6/12 pitch. I will be installing shingles. The way I figure it as far as price goes, it comes out to about a pizza and a movie for the upgrade from conventional felt. By the way the roof is aprox. 30 sqs.