When roofing or waterproofing projects require a high-quality, thick, and reliable asphalt cement specifically for flashing details, repairs, and sealing, Del-Val 211 Flashing Cement from United Asphalt provides an excellent solution. This cold-applied flashing cement is formulated to a heavy, smooth, trowel consistency, making it easy to apply and work into the intricate areas around flashings and for various repair needs. It is ideal for plastic details and a variety of waterproofing repairs, such as sealing roof penetrations and accommodating movement in joints.
Del-Val 211 is specially formulated for vertical surfaces, ensuring excellent hang properties and stability after application. Its primary uses include repairing flashings, asphalt shingles, built-up roofs (BUR), metal, and masonry surfaces. This versatile cement is particularly effective for sealing leaks and openings at critical flashing components like chimneys, vents, skylights, metal joints, and gutters. Additionally, it can be used for damp-proofing of concrete, masonry walls, and foundations, helping to prevent moisture from penetrating these structures. Important: This product is NOT suitable for use with EPDM, PVC, TPO, or other single-ply membranes.
Proper preparation is necessary for optimal adhesion; the surface must be clean and free of dirt, dust, oil or grease, and any other foreign matter. In colder climates, storing the product at room temperature for 24 hours prior to application is recommended. Apply Del-Val 211 Flashing Cement with a trowel or putty knife. Spread the cement to approximately 1/8″ thickness and work it thoroughly into the problem area. For repairing cracks and blisters that are 1/4″ wide to 2″ long, apply United Asphalt Cotton or Fiberglass Fabric for reinforcement then cover with additional cement. Apply at a rate of approximately 8 gallons per square (100 sq ft) per coat, though coverage may vary depending on the application. Clean tools with Del-Val Orange Cleaner & Degreaser or mineral spirits. This product meets or exceeds the requirements of ASTM 4586 Type I, confirming its quality and suitability as an asphalt plastic cement used as a flashing cement. 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 211 Flashing Cement from A1A Wholesale Supply for a high-quality, cold-applied, trowelable solution for your flashing and repair needs nationwide.
- Product Name: Del-Val 211 Flashing Cement
- Brand: United Asphalt
- Type: Flashing Cement, Cold-Applied Flashing Cement, Plastic Cement, Trowel Grade Cement, Roofing Cement, Asphalt Cement, Waterproofing Repair Material, Damp-proofing Material
- Consistency: Heavy, smooth, trowel consistency
- Key Properties: High-Quality, Heavy, Smooth, Trowelable, Cold-Applied, Ideal for Flashing Details, Waterproofing Repairs, Seals Leaks/Openings, Excellent Adhesion (implied), Flexible (for moving joints), Formulated for Vertical Surfaces.
- Uses/Compatible Substrates: Repairing flashings, asphalt shingles, built-up roofs (BUR), metal, masonry surfaces; Sealing leaks and openings at flashings (chimneys, vents, skylights, metal joints, gutters); Damp-proofing of concrete, masonry walls and foundations.
- Incompatible Substrates: EPDM, PVC, TPO or other single-ply membranes.
- Preparation: Clean surface (dirt, dust, oil, grease, foreign matter free); store at room temp (colder climates).
- Application: Apply with trowel or putty knife; spread to approx. 1/8″ thickness; work thoroughly into problem area; use United Asphalt Cotton or Fiberglass Fabric reinforcement for cracks/blisters (1/4″-2″ wide/long).
- Coverage: Approximately 8 gallons per square (100 sq ft) per coat (Coverage may vary).
- Cleanup: Del-Val Orange Cleaner & Degreaser or mineral spirits.
- Code Approvals / Compliance: Meets or exceeds ASTM 4586 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 heavy, smooth, trowelable, cold-applied asphalt cement for high-quality repairs and sealing, ideal for flashing details and vertical surfaces, and for damp-proofing.
