LeakBarrier: SBS Membrane Products

LeakBarrier SBS Mineral Surface Cap Sheet

LeakBarrier SBS Mineral Surface Cap Sheet and SBS Base Sheet are premium quality rubberized asphalt membranes fortified with high strength polyester reinforcement.

  • SBS Mineral Surface Cap Sheet has a granular surface to protect against UV, weathering and physical damage.

  • SBS Base Sheet is lightly coated with a mineral release material on both the top and bottom sides. It may be easily applied by mechanically attaching to nailable decks, spot mopping to non-nailable decks, or solid mopping where appropriate.

Usage

LeakBarrier SBS Membrane Products are designed for use in new roofing and re-roofing installations utilizing hot mopping asphalt or cold process adhesives. SBS Mineral Surface Cap Sheet can be used for repairs of asphalt built-up membranes as well as a flashing material.

Features and Benefits

  • Durable cost-effective membranes

  • Versatile and easy to handle

  • Specially formulated SBS asphalt gives lasting performance

  • Minimal dead load weight

  • Modified asphalt provides additional puncture resistance

  • Membranes lay flat and resist wrinkling for ease of application

  • Reinforced with glass fiber mat ensuring dimensional stability during installation

  • Polymer modified asphalt provides excellent pliability

  • Factory controlled characteristics

  • SBS Cap Sheet granular surfacing available in multiple colors

  • SBS Mineral Surface Cap Sheet Meets D-5147

  • SBS Base Sheet Meets D-4601 Type II

  • SBS Membrane Products meet UL classification requirements for Roof Covering Materials (TEVT) in the installation of Class A, B and C built-up and modified bitumen roofing systems.

Storage

LeakBarrier SBS Mineral Surface Cap Sheet and SBS Base Sheets require protection from damage and the weather. Constantly store membranes upright in a dry location and never install when wet.

Application

  • All roofing materials must be kept clean and free of moisture prior to installation.

  • Warm weather conditions are ideal for good adhesion. Application should be made when ambient temperatures are 50°F or higher.

  • Deck must be clean, dry and free of voids.

  • Cut membrane sheets into manageable lengths before installation.

  • When installing in hot mop asphalt, asphalt should be 400°F (204.4°C) at point of application.

  • Install sheets overlapping a minimum of 3 inches on side laps and a minimum of 6 inches on end laps.

Properties

Property  Typical Value: Cap Sheet Reference Test Base Sheet Reference Test
Approximate Thickness 120 Mils ASTM D-6163 Type 1 40 Mils ASTM D-5147
Tensile Strength Pass ASTM D-6163 Type 1 Pass ASTM D-4601
Tear Strength Pass ASTM D-6163 Type 1 Pass ASTM D-6163 Type 1
Dimensional Stability Pass ASTM D-6163 Type 1 Pass ASTM D-6163 Type 1
Low Temperature Flexibility 5°F Pass ASTM D-5147 5°F Pass ASTM D-5147

Product Data

  Cap Sheet Base Sheet
Roll Width 36 Inches 36 Inches
Roll Length 33.4 Ft 66.7 Ft.
Coverage per Roll 100 Sq. Ft 200 Sq. Ft.
Approx. Roll Weight 85 Lbs. 42 Lbs.
Rolls per Pallet 25 36

Warranty

Tarco Specialty Products, Inc. offers a 10-Year Limited Warranty.