Acoustic Underlay

Acoustic Underlay Engineered to for best results

Our SP-MAT Acoustic Underlay range is engineered with technologically advanced systems to ensure you get the best possible soundproofing result.

Whether you are looking for underlay for commercial or domestic applications our range of underlays ensures you have the right product for maximum impact .

Acoustic Underlay

SP-MAT Acoustic Underlay available in 3mm and 5mm thickness


SP-MAT is an acoustic soundproof underlay. 
Specifically designed for the reduction of impact sound to suit both concrete and timber substrates.

SP-MAT has been engineered to meet the acoustical requirements of specifiers for all common construction and installation methods. For use in high-rise units, multi storey town houses and homes. SP-MAT Acoustic Underlay can be used in new and old buildings requiring impact sound insulation. It can be used for the installation of ceramic floors, timber, laminate, carpet, plank vinyl, and over Masonite. It is CSIRO (June 2016) tested and BCA compliant acoustic systems.

SP-MAT can be used in wet areas when installed in conjunction with WP-1 “The Pink One” or other ACT Australia approved Waterproofing Membranes. SP-MAT can be applied and tiled over using ACT Australia Tile Adhesives ADH-33, ADH-44, ADH-55 & ADH-66 Light.

One roll of SP-MAT 5mm Acoustic Underlay will cover 12m2 & one roll of SP-MAT 3mm will cover 18m2.

Individual testing should be carried out to ensure SP-MAT meets the specific requirements of each job. Construction Configuration including concrete thickness, density, floor/ceiling configuration etc. will affect acoustic results.