SOPRAGUM OPTIMA 4 PY
SOPRAGUM OPTIMA is used as an upper layer in a multi-layer system.
Waterproofing membrane composed by APP modified bitumen with a nonwoven polyester reinforcement. The reinforcement is impregnated with an APP compound. The homogeneity between the covering mass and the impregnation compound results in an extremely high resistance to delamination. The upper side is finished with mineral slates or sand/talcum. The selvedge is protected with a popypropylene film. A torch-on film protects the lower side (torch-on method).
- ATG approval: limited approval.
- FLL test: in progress.