Rockwool Density For Sound Insulation

Roxul safe is ul and intertek approved as a forming material for numerous firestop systems.

Rockwool density for sound insulation.

Rockwool comfortboard 80 is a rigid mineral wool insulation sheathing board that is non combustible water repellent fire resistant and sound absorbent. Roxul safe is a lightweight semi rigid stone wool insulation that provides superior fire resistance and sound control. Installation of the material and its quality contribute to the quality of soundproofing but the density of rockwool helps reduce sound transmission of 10 decibels through a. The last page in my second link shows the differences in sound absorption at different frequencies based on thickness and density.

This semi rigid batt has a unique flexible edge designed to compress as the batt is inserted into walls attics ceilings and floor frames. Rockwool sound insulation slab is made from mineral wool insulation with a non directional fibre orientation and high density meaning sound waves are trapped and vibrations dampened. Rockwool cavityrock semi rigid stone wool insulation board available in mono and dual density is designed for exterior cavity wall and rainscreen applications. The insulation provides excellent acoustic thermal and fire performance and can be ordered to meet specialist requirements in bespoke thicknesses and densities.

The acoustic slab also repels water and is vapour permeable resisting rot and mold. They have a density of 8 lb ft and an nrc of 0 9 so are great for soundproofing mid to upper range frequency is excellent nrc 0 9 or better and a respectable low range coefficient make the roxul acoustic panels a top choice to absorb or reduce sound. Choose mono density insulation in thicknesses up to 2 or dual density in thicknesses of 2 5 to 6. They are both effective in reducing sound pollution and noise.

Due to a greater density and weight rockwool does a slightly better job in blocking sound. Rockwool safe n sound is a stone wool insulation product for use in interior wall partitions floors and ceilings of residential wood and steel stud construction. Fire soundproof insulation. An all round performer rockwool rwa45 is a robust insulation solution for a range of general building projects as well as specialist specifications such as schools hospitals offshore platforms and ships.

The actual answer to your question is that thickness is better than density for rockwool mineral wool. Comfortbatt is a stone wool insulation product for use in wood and steel framing in both new residential and commercial builds and renovations.