SOPRALENE® 250 SP 4.0 SKU: 00603
SOPRALENE® 250 SP 4.0 SKU: 00603
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.
Product Properties
- ASTM ASTM D6164
- Component Base
- Installation Method Heat Welded
- Reinforcement Polyester
- Thickness (minimum) 150 mils (3.8 mm)
- Thickness (nominal) 157 mils (4.0 mm)
- Topside Sanded
- Underside Burn Off Film
Installation
Prior to installation, unroll SOPRALENE 250 SP 4.0 onto the roof surface and allow to relax. Position SOPRALENE 250 SP 4.0 in desired position and back roll the product. SOPRALENE 250 SP 4.0 is then heat welded to approved substrates. Subsequent approved inter-ply or cap ply membranes are applied to SOPRALENE 250 SP 4.0 via cold adhesive. Refer to the SOPREMA SBS Roofing Guide for additional application guidelines.
Testing & Approvals
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