DOOR SHUTTER:

65mm thick asbestos-free composite fire cum smoke check wooden shutter of 38db acoustic cum 120min fire resistant rating confirming to BS:476 part-22& IS:3614 part-2 comprising of two 12mm thick non-combustible boards, a 100% without asbestos, brucite and meerschaum, having density not less than 1150Kg/M3 and thermal conductive 0.14W/m*k sandwiching 29mm thick fire resistance insulation filler and faced with 6mm commercial teak ply on both sides with heat activated intumescent fire seal strip of size 15X4mm mounted in the grooves of hardwood lipping on all three sides except the bottom. The door bottom will be fitted with an acoustic seal.

DOOR FRAME:

Wooden door frame made of hardwood of section 150X95 mm with heat activated intumescent fire seal strip of section 15X4 mm and finished with one coat of anti-termite fire retardant primer or paint finish and fitted with an acoustic seal on all three sides except the bottom.