With all the expansion and contraction of the Azek, I would still use mechanical fasteners, maybe some tapcons countbored and plugged. The glue will hold, but I think the movement between the concrete and Azek over time will weaken the bond.
Azek on concrete.
I am contemplating putting an azek trim board around my front forch slab. Has anybody ever done anything like this, and does the Trimbonder work well for that? It claims it does in this article. http://www.azek.com/article.php?id=66
Trimbonder website.
http://www.trimbonder.com/trimwork/index.cfm
Application - to be put above veneer on the slab edge
Trimbonder website.
http://www.trimbonder.com/trimwork/index.cfm
Application - to be put above veneer on the slab edge
