New and improved Bostik Firecaulk is a non-sag acrylic for sealing low movement interior joints (up to +/-25%). It has been tested in accordance with AS1530.4-2014 and AS4072.1-2005 for gaps up to 40mm. Beige in colour it holds up to 4 hr fire and smoke stop.
Fire rating for jointing of concrete, precast panels, block and brick work, drywall systems, electrical cables and pipe penetrations. For sealing low movement interior joints (up to +/-25%). Used in conjunction with other systems such as fire collars, pillows, board systems and fire-rated mortars. Provides a fire barrier for up to 4 hours, helping to prevent the spread of fire, smoke through walls and floors and prevents passage of hot gases.