Roof board acoustic insulation device for building, has thermo acoustic insulator placed between rafters, thermo acoustic joint on face of rafters, and thermo acoustic tape placed on top of rafters after assembling on frame

摘要

The device has an insulator (2) placed between the rafters and a joint (3) on the face of one of the rafters, where the insulator and the joint are thermo acoustic in nature. A thermo acoustic tape (4) is placed on the top of the rafters after assembling on the frame, where the thermo acoustic tape is auto-adhesive and water tight and whose thickness varies according to the retained acoustic quality.