Sprayman Pro Fire Block Foam – Gun Foam, 20 oz

Sprayman Pro Fire Block Foam is a premium-quality, professional-grade foam sealant designed specifically for use with foam dispensing guns. Offering precise application, this firestop foam spray quickly expands to effectively fill larger gaps and voids. Formulated as a fire retardant spray foam, it provides exceptional insulation and fire resistance, preventing air leaks and enhancing energy efficiency. Ideal for contractors and serious DIY users, it’s certified under ASTM E84201 and UL standards (ICC-ESL-1058), making it perfect for residential and commercial fire stopping foam projects. For applications requiring a straw applicator, see our Straw Applicator version.

Features & Benefits

• Professional Gun Foam Application: Ensures clean, controlled dispensing and minimal waste.
• High-Quality Fire Resistance: Acts as a fireproof spray foam, significantly reducing fire spread risk.
• Large Gap Coverage: Ideal foam filler for gaps, expanding effectively for comprehensive sealing.
• Enhanced Durability: Provides long-lasting insulation and resistance against moisture and mold.
• Paintable & Easy to Finish: After curing, easily trim and paint foam to match surroundings.

Application Areas

• Electrical Outlets & Pipe Penetrations: Effectively seals penetrations using fire resistant foam spray to limit fire hazards.
• Door & Window Frames: Reliable firestop foam solution providing airtight insulation around window and door frames.
• Wall Openings: Ideal for filling cavities and openings with expanding fire block spray foam to enhance fire safety.
• General Construction: Versatile sealing of structural joints and gaps throughout various construction projects.

How to Use

• Safety Measures: Use gloves and protective eyewear in a ventilated area; avoid inhaling fumes.
• Surface Preparation: Ensure surfaces are clean, dry, and dust-free. Slightly moisten surfaces for best adhesion.
• Product Preparation: Shake can thoroughly. Maintain optimal temperature (~68°F (20°C)) for best application results.
• Application: Attach the can to a foam gun (not included in can options), invert the can, and apply slowly from the bottom up. The foam expands significantly—avoid overfilling.
• Cleanup: Remove uncured foam immediately with an appropriate cleaner; cured foam must be removed mechanically.
• Curing and Finishing: Foam is tack-free in 3–6 minutes and fully cures within 24 hours. After curing, trim excess foam and protect from UV exposure by painting or covering.

Specs

Volume: 20 oz
Color: Orange
Temperature Resilience: -40°F (-40°C) to +194°F (90°C)
Storage: Store upright in cool, dry conditions; avoid temperatures above 122°F (50°C)
Shelf Life: 12 months when stored properly
Certifications: ASTM E84201 / UL Classified (ICC-ESL-1058)