EXCEL Black Jack Butyl Rubber Acrylic Caulking - Grey, 825 ml

Butyl rubber caulk is an elastomer-based sealant for use on many dissimilar building surfaces. It has exceptional adhesion to common construction surfaces such as metal, glass, wood, brick, stone and paint. It is ideal for sealing narrow openings in mobile homes, skylights and application of vapour barrier. Is also recommended for joints in Preserved Wood Foundations (PWF).

• Is an elastomer-based sealant for use on many dissimilar building surfaces
• It has exceptional adhesion to common construction surfaces such as metal, glass, wood, brick, stone and paint
• It is ideal for sealing narrow openings in mobile homes, skylights and application of vapour barrier

ADVANTAGES:

• Exhibits strong adhesion and flexibility over extreme temperature ranges
• Good paintability after 24 hour curing period
• Water-resistant
• 10 year life expectancy

PREPARATION:

• Apply only to clean, dry and sound surfaces
• If old caulk is brittle or crumbling, remove it
• Use in joints no more than 3/8" should be built up to within 3/8" with suitable back-up material

RESTRICTIONS:

• Do not apply when temperature is below 4.4°C(40°F)
• Care should be taken when using product on plastic as crazing may result
• If in question, do a small test area first

APPLICATION:

• Trim nozzle to desired bead size, puncture membrane at inner base of nozzle, and apply with standard caulking gun
• Clean tools with mineral spirits

COVERAGE:

• 25 linear feet per 300ml @ 1/4" x 1/4"

SPECIFICATIONS:

• Solids: 90% by weight
• Shrinkage: 15% by volume - Elongation: 125%
• Recovery: 70%
• Durometer hardness: 25
• Tensile strength: 10 PSI
• Slump resistance: very good
• Staining: normally none
• Odour when fresh: mineral spirits
• Paintability: good
• Flexibility: good
• Consistency: gun grade
• Meets CGSB 19-GP-14