Wooden Door Frame of hard woodteak wood section 150mm x 95mm with heat ativated intumescent fire seal strip of size 15mm x 4mm and finished with one coat of anti-termite fire retardant primer or paint and fitted with acoustic seal on all three sides....
fittings as well as the system of fastening to the building’s structure such as brackets and clamps. This sound comes from the noise inside these systems, which makes them vibrate (acoustic resonance). The resonance is transmitted through the pipe...