Mustwall 33B Wall Soundproofing is a 33mm thick acoustic wall insulation panel, composed of a 20mm thick acoustic recycled rubber panel and a 12.5mm thick plasterboard slab. The soundproofing panels are 1.00m wide x 1.20m high. Mustwall 33B is designed for use when space is at a premium – remember you only lose 50mm in total when the complete system is installed.

Check out our guide on “How to Soundproof a Party Wall”

Key Features

• Complete acoustic upgrade system at a minimum loss of space
• Fit directly to the existing wall
• Complete system is less than 50mm thick
• Eco-friendly product – made from recycled rubber
• Recyclable
• Easy to install in new or existing interiors, and can be cut to size
• Ideal for soundproofing party walls in rooms, halls and stair areas where space or lack of space is an issue

Mustwall 33B Installation

• Lay strip of the Stywall Acoustic Bearing on the floor.
• Fix Mustwall 33B to the existing wall using fixings (5 per panel).
• Fix layer of 12.5mm plasterboard to Mustwall 33B using Seal & Fix adhesive. Stagger the joints between the two layers.
• Leave a 5mm gap around walls and fill with acoustic sealant.
• The wall can be finished by plaster skimming or as desired.
• Skirting board should be fixed with glue or plasterboard screws. If using screws ensure that they do not bridge the insulation layer. Leave a gap between skirting board and the floor. Fill with acoustic sealant.