SOPRALENE® 250 SP 4.0
Sku
SOPRALENE 250 SP 4.0 is an SBS-modified bitumen base ply for use in approved multi-ply membrane and flashing assemblies.
Description
SOPRALENE 250 SP 4.0 is an SBS-modified bitumen base ply for use in approved multi-ply membrane and flashing assemblies. SOPRALENE 250 SP 4.0 is composed of a proprietary formulation of elastomeric styrene-butadiene-styrene (SBS) polymer modified bitumen and is reinforced with a tough, dimensionally stable non-woven polyester mat. The topside is surface with fine mineral aggregate and underside is surfaced with polyolefin burn-off film to optimize heat welding.
Properties
Product role
Field Base Ply, Flashing Base Ply
Material
SBS-modified bitumen
Reinforcement
Non-woven polyester
Finishing top
Sanded
Finishing bottom
Polyolefin film
Application
Heat-welded
ASTM Code
D6164
ASTM Type
Type II
ASTM Grade/Class
Grade S
Codes and Approvals