Metal roof sealant
Titebond WeatherMaster Metal Roof Sealant is a premium-grade, superior polymer formula that offers unbeatable adhesion to all metals including Kynar™ coated metals, aluminum, galvanized steel, copper and most common building materials. It can be extruded in extreme temperatures, remains permanently flexible and will not shrink, adheres well to wet and damp surfaces and is dust and dirt resistant.

Metal roof sealant
Titebond WeatherMaster Metal Roof Sealant is a premium-grade, superior polymer formula that offers unbeatable adhesion to all metals including Kynar™ coated metals, aluminum, galvanized steel, copper and most common building materials. It can be extruded in extreme temperatures, remains permanently flexible and will not shrink, adheres well to wet and damp surfaces and is dust and dirt resistant.
Specifications
Type
Elastomeric superior polymer
Reactive VOC
<50 g/L (<2%) white/colors/clear, <50 g/L (<1.5%) translucent
Flashpoint
Solvent free/Not applicable
Method of application
Cartridge/caulking gun, bulk/sausage gun
Application temperature
Above 0°F (-18°C)
Storage life
24 months at or below 75°F
features
Advantages of choosing Metal roof sealant
Ideal for application on sealing metal roofs, windows, doors, siding, gutters and vents.
High resistance
Permanently flexible – will not crack, applies in extreme weather conditions, UV-resistant.
Basic nuances and common details
Substrate compatibility
Compatible with coated metals, aluminum, galvanized steel, copper, PVC, wood, concrete, masonry, stucco, wall panels, vinyl, glass, plastic, siding, flashing, sheet metal and most common building materials.
Application directions
1. Surfaces must be clean and free of any material that may prevent adequate adhesion.
2. Remove nozzle, cut tip of the nub and puncture inner foil seal.
3. Screw nozzle onto cartridge and cut tip on slant for 1/4" to 3/8" bead and place in cartridge gun.
4. Force sealant into clean joint. Always apply sealant in bead form. To ensure neat sealant lines, mask areas adjacent to joints. Once sealant is dry to the touch and does not transfer, remove masking tape. No tooling is required. It is the sole responsibility of the user to thoroughly test any proposed use with all substrates to determine project suitability.
Painting
Sealant is intended for exterior use. If used indoors, sealant may need to be painted. In most cases, painting may occur one hour after application with a high-quality acrylic, water-based (latex) paint that does not contain plasticizer. It is recommended to paint over sealant with a shellac-based primer before painting. For other paint types, a compatibility test is recommended.
Limitations
Not designed for continuous submersion or use below the waterline. Air, sealant and surface temperature should be above 0°F. Copper should be coated to eliminate oxidation before sealing. Once sealant is applied, do not wipe with solvents or tooling aids such as soaps or oils. DO NOT TOOL - DO NOT SMEAR. It is highly recommended to use backing material. Application of sealant at high temperatures may cause the sealant to sag in some applications. Do not apply Metal Roof Translucent to polycarbonate due to solvent cracking, for Clear and Colors check with polycarbonate supplier on compatibility. Sealant releases methanol during cure, check with substrate manufacturer for compatibility. For best results, store in a dry location at or below 75°F. Due to high heat, it is NOT recommended to store sealants above the second shelf (>20 feet high) in a warehouse.
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