20mm Monodeck 20T Timber Floor Acoustic Overlay Board - 2400mm x 600mm
20mm Monodeck 20T Timber Floor Acoustic Overlay Board - 2400mm x 600mm
- Product Code: A1-5207
- Delivery Time: 3 - 5 days
- Brand: Isomass (Tech. support: 08458383389)
- Model: 2400mm x 600mm - 1.44m2
- Weight: 11.80kg
Our ratings on 13-04-2026:
4.8 out of 5
20mm Monodeck 20T Timber Floor Acoustic Overlay Board - 2400mm x 600mm
Length: 2400mm
Width: 600mm
Thickness: 20mm
Board Coverage: 1.44m2
Weight/m2: 8.19kg
Weight: 11.8kg
Airbourne sound insulation: 48dB
Impact Sound Insulation: 48dB
Resilient layer thickness: 8mm
20mm Monodeck 20T is overlay platform system of an 8mm Acoustic Chip Foam bonded to 12mm p5 moisture resistant chipboard, designed for reducing sound transmission of timber floors and improving acoustic performance of timber floors. it enables a timber floor to meet the sound transmission regulations of Approved Document E 2003 and subsequent amendments in 2004, 2010, 2013 & 2015. Monodeck 20T overlay can be used in new build, refurbishment and conversion applications.
CHARACTERISTICS
- Great acoustic properties;
- Able to reduce impact sound transmission in finished wooden floors;
- Able to meet values prescribed by the Approved Document E of the Building Regulations,
- Includes a moisture-resistant chipboard.
APPLICATION
- Over existing floorboards for conversions, refurbishments,
- On most decoupled ceilings in new build projects.
INSTALLATION

CERTIFICATION
- The product is in compliance with Approved Document E of the Building Regulations.
Brand: Isomass
Model: 3/6 - 20mm - 6m Free Delivery
Delivery Time: 1 - 2 days
20mm Isocheck Expandastrip 3/6 is a permanently elastic open cell Polyurethane foam, used as a seal in joints between pre-cast units, sealing around doors and window frames, or between corrugated roofing panels, roof structures and roof lights ventilation and air conditioning ductwork. It is impregn..
Brand: Isomass
Model: 1.25m x 12m - 15m2
Delivery Time: 3 - 5 days
6mm Isocheck Resmat 6 is a recycled eco friendly under board mat made from rubber crumb to reduce sound transmission through timber and concrete floors. It can support chipboard, OSB, MDF or Plywood floors. It enables a timber floor to meet the sound transmission regulations of Approved Document E 2..
Brand: Isomass
Model: 600x2400mm - 1.44m2
Delivery Time: 3 - 5 days
Isocheck 32T is an direct to joists floor system, designed for reducing sound transmission and improving acoustic and thermal performance of traditional timber joisted floors. The system is used in new build, refurbishment and conversion applications (especially if new resilient bar ceilin..
Guide Price: £47.27
£56.72 inc VAT
Brand: Isomass
Model: 2400mm x 600mm - 1.44m2
Delivery Time: 3 - 5 days
32mm Monodeck 32T is an acoustic insulation overlay platform system bonded direct to floorboards, designed for soundproofing and improving acoustic performance of timber floors, whenever finished floor height is not critical. The system is used in new build, refurbishment and conversion applications..
Brand: Isomass
Model: 70mm
Delivery Time: 2 - 3 working days
70mm Isocheck Acoustic Acoustic Hangers used to help in decoupling the celling from timber or concrete separating floors increasing the airspace beneath floor...
Brand: Isomass
Model: 6/12 - 30mm - 4m Free Delivery
Delivery Time: 1 - 2 days
30mm Isocheck Expandastrip 6/12 is a permanently elastic open cell Polyurethane foam, used as a seal in joints between pre-cast units, sealing around doors and window frames, or between corrugated roofing panels, roof structures and roof lights ventilation and air conditioning ductwork. It is impreg..