West System Fast Hardener 205-B .86QT

Don't let cold weather put your projects on ice. West System 205-B Fast Hardener transforms your epoxy work with rapid curing technology that performs brilliantly even when temperatures drop as low as 40°F (4°C). When mixed with West System 105 Resin in the precise 5:1 ratio, this powerful hardener creates high-strength, moisture-resistant bonds in just 6-8 hours, perfect for boat builders and woodworkers who need reliable results without the wait. Your next coating or bonding project will benefit from the predictable 60-70 minute working time, giving you enough flexibility to work with precision while still finishing ahead of schedule.

Whether you're sealing a wooden kayak deck or creating a waterproof barrier on your latest woodworking masterpiece, this 0.86 quart hardener delivers exceptional coverage—up to 115 sq ft/L on non-porous surfaces. The fast-curing formula is especially valuable during cooler months, extending your building season when standard epoxies would leave you waiting in the cold. Experience the perfect balance of quick curing and outstanding durability that has made West System the trusted choice for professionals and serious DIYers who refuse to compromise on quality or efficiency.

Features

• Formulated for general coating and bonding applications at lower temperatures
• Produces rapid cure that develops physical properties quickly at room temperature
• Creates high-strength, moisture-resistant solid when cured
• Excellent bonding and barrier coating properties
• Effective on both porous and non-porous surfaces
• Designed to work specifically with West System 105 Resin
• Extends working season for outdoor projects into cooler months