Your Private Independent Roofing Merchant 
Centaur's Centech APA is stronger than PU and more flexible than PMMA’s and is the safer alternative to PMMA’s. 
 
The Advanced Poly Acryol membrane combines the traditional durability of prior membranes with recent advances in polymer chemistry. 
Non-Toxic 
Non-Flammable 
Odour Free 
Useable for up to 48 hrs (When kept in the time after adding the catalyst)