Tested to BS476 Part 20, BS EN 1366-3: 2004 & BS EN 1366-4: 2006 achieving 4 hour integrity and insulation rating for a range of linear and penetration seals
Can be used in joints up to 35mm wide without slumping
Excellent adhesion to a wide range of substrates
Does not harden or crack with age
Acoustically tested to BS EN ISO 140-3: 1995 - 55dB Rw