Descripción
When it comes to roofing in damp or wet conditions, trust the exceptional performance of Roof-Master Plus 221 Ultimate Rubberized Flashing Cement from United Asphalt. This high-grade SBS rubberized flashing cement is engineered with top-quality chemical ingredients, providing a versatile solution for a range of roofing applications. Roof-Master Plus 221 Ultimate Rubberized Flashing Cement is a soft, pliable cement that gradually hardens into an elastic, durable compound resistant to water. With excellent underwater adhesion, it is ideal for sealing emergency leaks on both wet and dry roof surfaces.
UA 221 Key Features:
USES:
- Specially formulated for use in damp, wet roofing situations.
- Ideal for heavy-duty flashing cement repairs on flashings, asphalt shingles, built-up roofs, metal, and masonry surfaces.
- Great for sealing leaks and openings at flashings, including chimneys, vents, skylights, metal joints, and gutters.
- DO NOT USE with EPDM, PVC, TPO, or other single-ply membranes.
PREPARATION:
- Surface must be clean and free of dirt, dust, oil, or grease.
- Ensure the surface is free of any foreign matter that may interfere with adhesion.
- In colder climates, store the product at room temperature for 24 hours before application.
APPLICATION:
- Apply with a trowel or putty knife.
- Spread Roof-Master Plus 221 to approximately 1/8” thickness, working thoroughly into the problem area.
- For cracks and blisters (1/4” wide to 2” long), apply United Asphalt Cotton or Fiberglass Fabric for reinforcement, then cover with additional cement.
COVERAGE:
- Approximately 8 gallons per square (per coat)
CLEANUP:
- Clean tools with Del-Val Orange Cleaner & Degreaser or mineral spirits.
- Take necessary precautions when handling combustible liquids.
CODE APPROVALS / COMPLIANCE:
- Meets or exceeds ASTM 4586 Type I and ASTM D-3409 requirements.
- V.O.C. Less than 300 g/L.
PRECAUTIONS:
- DO NOT THIN.
- DO NOT HEAT CONTAINER.
- Avoid storing in areas where temperatures exceed 120°F.
Trust United Asphalt Roof-Master Plus 221 for resilient and reliable roof repairs in challenging conditions. Whether you're addressing leaks or performing routine maintenance, this rubberized flashing cement delivers exceptional performance.