MarcoFlex Weather-Tite Gunnable Butyl

MarcoFlex Weather-Tite Gunnable Butyl is a non-skinning, non-hardening butyl sealant that stays permanently flexible. It is non-corrosive to metals, has low shrinkage and has chemical resistance. It adheres to oily metal surfaces and other materials. It comes in a 10.1 oz plastic cartridge and contains no hazardous ingredients.

The sealant is used on metal roofing, architectural panels, window glazing, expansion joints, flashing and other bonding applications. It is used as a seam sealant in roll forming applications and for sealing and repairing metal roofs. It is safe on Kynar 500, Zincalume, Galvalume, aluminum and most other metals.

• Chemistry: butyl, non-skinning and non-hardening
• Weight: 12-13 lbs./gal.
• Color: Tan or Light Gray
• Solids content: 90% +/- 2%
• Vapor transfer: less than 1 gram/day
• Flashpoint: above 102°F, non-red label
• Slump: max 3/16 in. at 210°F
• Water absorption: none
• Weathering: none at 1000 hrs. under UV light / sunlamp
• Service temperature: -40°F/-40°C to 249°F/120°C
• Storage temperature: 0°F/-18°C to 100°F/38°C, in a clean, dry area
• Shelf life: 18 months

• Metal roofing
• Architectural panels
• Window glazing
• Expansion joints
• Flashing
• Seam sealant in roll forming applications
• Other bonding applications

1. Make sure the surface is completely free of oil, grease, foreign material, contaminants, water repellents, form oils and laitance.
2. Remove the tube, locate the separate applicator tip and cut off the dispenser end. Tool the sealant in one continuous stroke.
3. Dry-wipe excess sealant from surfaces while it is still uncured. Excess sealant smears may be removed with a VOC-friendly solvent or cleaner.

• Color: Tan or Light Gray
• Cartridge: plastic, 10.1 oz.