FIRE RESISTANT FOR UP TO 4 HOURS – This product swells in temperatures of more than 125°C to 150% its original size to create a temporary fire barrier. FAST CURING – Forms a skin in 10 minutes, is tack-free in 15 minutes for overpainting, and is fully cured in less than five days, depending on thickness and conditions. EASY TO APPLY – This versatile sealant needs no surface priming to work perfectly, simply ensure all substrates are clean, dry and dust-free. ADDITIONAL USES – Everbuild acrylic sealant is formulated using fillers that can also help noise reduction by an average of 24 dB. CERTIFIED - This product is fire rated to EN1366-4 (2006). Acoustic rates to BS EN ISO 140/3 and is tested for air permeability to EN13141-1. STRAIGHTFORWARD APPLICATION – Insert the cartridge into a standard sealant gun (such as the Everbuild Power Pro Adhesive Cartridge Applicator Gun) to apply in clean, smooth lines. MULTIPLE COLOURS – Everbuild Everflex Fire Mate comes in White, Brown and Grey.