SOPREMA Elastophene Sanded 2.2 SBS-Modified Bitumen Base Ply, 39.4 in. x 49.2 ft. Roll

Soprema Elastophene Sanded 2.2 is an SBS-modified bitumen base ply membrane for use in approved roofing assemblies. The sheet is reinforced with a glass fiber mat and coated both sides with SBS polymer-modified bitumen, and this line sells as one black 39.4 in. x 49.2 ft. roll.

Key Features:

• SBS modified asphalt: Proprietary SBS polymer modification adds elongation, elasticity and flexibility to the bitumen blend.
• Glass fiber reinforcement: A glass fiber mat saturated and coated on both sides increases the membrane’s strength and durability.
• Sanded surfacing: The sanded surface suits use as a base ply in multi-ply modified bitumen assemblies.
• Assembly approved: Approved for use in Soprema roofing assemblies as a base ply membrane.
• Full roll format: Ships as one 39.4 in. x 49.2 ft. roll for efficient multi-ply coverage.

Specifications Table:

Coverage & How Much You Need:

Each 39.4 in. x 49.2 ft. roll covers approximately 162 square feet at full width; plan laps and head-end laps per the specified Soprema assembly details, which reduce net coverage.

Fit and Compatibility:

Intended for use within Soprema modified bitumen roofing assemblies with compatible Soprema ply membranes, adhesives and flashing products sold separately. Confirm the specified assembly before substitution.

Frequently Asked Questions (FAQ):

Q: What is included with the roll?
A: One black 39.4 in. x 49.2 ft. roll of Elastophene Sanded 2.2 base ply membrane; adhesives and other plies are ordered separately.

Q: Where is this product used?
A: As a base ply in SBS-modified bitumen roofing assemblies approved by Soprema.

Q: What makes it flexible?
A: The SBS rubber polymer modification gives the asphalt elongation, elasticity and flexibility, supported by glass fiber mat reinforcement.

Q: How do I size a job?
A: Multiply roll length by width for gross coverage (about 162 sq. ft. per roll), then add laps per the project specification.

Q: Is it a cap sheet?
A: No, it is a sanded base ply; select a Soprema cap sheet for the exposed surface.

Expert Verdict Reviewed by the SuperArbor Pro Desk

Elastophene Sanded 2.2 is a workhorse SBS base ply for hot-applied or adhered multi-ply assemblies; its glass scrim reinforcement gives tear resistance during installation. Match the ply to the specified Soprema system and adhesive, and store rolls on end protected from weather. Choose SBS base plies like this where building movement or low temperatures demand flexibility.

Follow the roofing system specification and applicable safety requirements, including hot-work or solvent-adhesive precautions during application.

Order Soprema Elastophene Sanded 2.2 base ply rolls for your next modified bitumen roofing job.