25mm Acoustic Insulation Foam Sheet

Heavy Duty Acoustic Soundproofing Foam Sheet Plain Dark Grey Class O
Description:
Class o acoustic soundproofing foam sheet. This product is an economical good quality solution to noise reduction and insulation in many applications. Fire resistant class o material. These Soundproofing panels are clean, easy to cut and easy to install.

We keep some of the largest stocks in the UK and if ordered before 1pm Monday to Friday your order can usually be dispatched that day and will be delivered to you the next day.

Order Acoustic Soundproofing Panels ‘on line’ below, simply select thickness, sheet size, quantity and add to the basket.

Technical Specification
Thickness 25mm, 50mm

Colour Dark Grey (batch production allow for colour variance)

Density (Specific gravity) >90kg/M3

fire Propagation Index <12 (BS476 pt 6)

Surface Spread of Flame Class "1" ( BS476 pt 7)

Building Regs. 1991 (Fire Safety) Class "0"

Operating Temperature -30 to 100 C

UL 94 Classification 94V-0 (UL 94)

Air Erosion Resistance (4001 - 60fpm) Pass (ASTM C1071-91 12.7)

Surface Burning Behaviour Class A (ASTM E84-95)

MIldew (Fungus) Resistance Does not support growth (ASTM D-2020)

Fungus Resistance Test Does not support growth (ASTM G 21)

Water Vapour Sorption <9% (ASTM C553-92)

Thermal Conductivity 0.364 Btu-in./hr-ft2-degree F (ASTM C518-91)

Corrosiveness (galvanised steel) Pass (ASTM C665-95)

Hot Surface Peformance @ 100c 96hr Pass (ASTM C411-97

Random incidence Sound Absorption Coefficients
Frequency Hz 125 250 500 1K 2K 4K NRC
25mm Thick 0.16 0.29 0.42 0.56 0.69 0.76 0.49
50mm Thick 0.23 0.49 0.70 0.88 0.92 1.02 0.75


Noise Reduction Coefficient (arithmetic average values at 250, 500, 1K and 2K HZ)