Fire soundproof door WHFDSI EIS-30/44DB

Technically challenging design of the double seam. Multilayer slab of chipboard and fire tube ensures maximum soundproofing between rooms. Such doors are essential for theatres, conservatories and Congress centres.

The thickness of the canvas with a double narthex is 58 mm. In the strapping of the canvas, a combination of LVL timber and beech wood was used.

On the box and canvas are 2 circuits of a soundproof seal. A contour of the fire-resistant foaming seal is installed in the box. The door must be equipped with a threshold.