For roofing contractors requiring a highly flexible and durable sealant or coating specifically formulated for flat roof surfaces with positive drainage, Del-Val 213 Elastomeric Sealant (Brush Grade) from United Asphalt provides a superior solution. This product is an elastomeric sealant containing a blend of SBS rubbers with solvent-based asphalts and reinforcing fibers. It is designed to dry to a tough, durable, and exceptionally flexible coating that gives excellent performance over a wide range of temperatures and weather conditions, accommodating significant expansion and contraction.

A key technical property of Del-Val 213 is its high Percent Elongation, measured at 914.70%, demonstrating its remarkable ability to stretch without breaking. This flexibility, combined with low Water Vapor Permeance (0.156 perms ASTM E96) and low Water Absorption (0.12% D570-98), ensures a durable, waterproof, and weather-resistant seal. With a Hardness, Shore A of 41 (ASTM D2240), it provides a firm yet flexible cured state.

Del-Val 213 (Brush Grade) is designed for use on flat roof surfaces with positive drainage. It may be used on a variety of compatible surfaces including new or existing built-up roofs (BUR), APP and SBS modified bitumen, smooth or granulated surfaces, metal surfaces, and roll-roofing. Important: This product is NOT suitable for use with EPDM, PVC, TPO or other single-ply membranes.

Proper preparation is essential; all surfaces must be clean and free of any oil, grease, dirt and all other foreign matter. Repair all holes, cracks, blisters, tears or breaks beforehand by spreading Del-Val 213 Elastomeric Sealant (Trowel Grade) over the damaged area and then embedding United Asphalt Cotton, Fiberglass or Polyester Fabric. The coating must be mechanically mixed before using. Apply to a clean, dry surface using a brush, roller or squeegee. For best results weather should be clear with no threat of rain for 48 hours after application. Coverage rates vary based on the substrate: approximately 1 gallon per 100 sq. ft. on Metal Surfaces, and approximately 2-4 gallons per 100 sq. ft. on Asphalt Surfaces. Clean tools with Del-Val Orange Cleaner & Degreaser or mineral spirits. This product meets or exceeds the requirements of ASTM D-4479 Type I, confirming its quality as an asphalt-based coating. Important precautions include: DO NOT THIN, DO NOT HEAT CONTAINER, and Do not store in an area where temperatures exceed 120°F. Choose Del-Val 213 Elastomeric Sealant (Brush Grade) from A1A Wholesale Supply for a highly elastic and durable sealant solution for flat roofs with positive drainage nationwide.

• Product Name: Del-Val 213 Elastomeric Sealant (Brush Grade)
• Brand: United Asphalt
• Type: Elastomeric Sealant, Brush Grade Sealant, Rubberized Roof Coating, SBS Rubberized Sealant, Protective Coating
• Composition: Blend of SBS rubbers, solvent based asphalts, reinforcing fibers
• Key Properties: Elastomeric, SBS Rubberized, Tough, Durable, Flexible, Excellent Performance (wide temperature and weather range), Fibered, Brush Grade, High Percent Elongation (914.70%), Low Water Vapor Permeance (0.156 perms ASTM E96), Low Water Absorption (0.12% D570-98), Hardness, Shore A (41 ASTM D2240).
• Uses/Compatible Substrates: Flat roof surfaces with positive drainage; new or existing Built Up Roofs (BUR), APP, SBS, smooth or granulated surfaces, metal surfaces, and roll-roofing.
• Incompatible Substrates: EPDM, PVC, TPO, single-ply membranes.
• Preparation: Clean surface (oil, grease, dirt, foreign matter free); repair damage with Del-Val 213 Elastomeric Sealant (Trowel Grade) + Cotton, Fiberglass or Polyester Fabric; mechanically mix.
• Application: Apply to clean, dry surface; use brush, roller or squeegee; avoid threat of rain for 48 hours.
• Coverage: Approx. 1 gal/100 sq. ft. (Metal Surfaces); Approx. 2-4 gal/100 sq. ft. (Asphalt Surfaces) (Coverage may vary).
• Required Condition: Must have positive drainage on the roof surface.
• Cleanup: Del-Val Orange Cleaner & Degreaser or mineral spirits.
• Code Approvals / Compliance: Meets or exceeds ASTM D-4479 Type I.
• Limitations/Precautions: DO NOT THIN, DO NOT HEAT CONTAINER, Do not store > 120°F; Do NOT USE with single-ply membranes.
• Function: Provides a tough, durable, highly flexible, brush-grade elastomeric seal and coating for flat asphaltic and metal roofs with positive drainage, performing well across various temperatures and weather conditions.