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Regupol® 3912 6mm Acoustic Underlay (for Refurbishment)

Regupol® 3912 6mm Acoustic Underlay (for Refurbishment)

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Regupol® 3912 Acoustic Underlay is tough and durable and designed to attenuate impact sound at source. It can be bonded to all types of base floors and is 6mm thick
Regupol 3912 supplied in 15m rolls.

The principle use is for refurbishment projects, ideal for use beneath carpets hardwood floors battens T&G chipboard etc. It can also be used for new build but before making recommendations please contact us for advice.

Roll Size 15m x 1m x 6mm

Price is per roll

 

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Regupol® 3912 Acoustic Underlay is a tough and durable and designed to attenuate impact sound at source. It can be bonded to all types of base floors and is supplied in 6mm thick rolls.

Manufactured from PUR foam Regupol® 3912 Acoustic Underlay's principle use is for the refurbishment market and is ideal for use beneath carpets hardwood floors battens T&G chipboard etc. It can also be used for new build but before making recommendations please contact us for technical support.

Benefits
  • Regupol® 3912 Acoustic Underlay has been independently tested by a UKAS accredited laboratory to show compliance with the new building regulations in accordance with Approved Document E 2003.
  • Standard thickness 6mm thick although other thicknesses are available upon request.
  • Offers long term performance without collapse or “bottoming” out under highpoint loads.
  • Resistant to ageing and deformation.
  • Quick and easy to install. Simply bond to the subfloor beneath the final floor finish.
  • Reduces construction heights.
  • Primarily used for refurbishments although can be used for new build also.
  • High quality and exact material thickness guaranteed.
  • Suitable for use with under floor heating.
  • Very comfortable under foot.

For data sheets and full installation guides cllick on the the 'TECHNICAL INFO' tab or call.


Application examples.

Example 1:

18mm T&G chipboard laid over Regupol® 3912 Acoustic Underlay adhered to 18mm T&G chipboard, directly fixed to timber joists, 8” x 2”, with 75mm mineral wood between joists and two layers of 12.5mm thick plasterboard fixed to resilient bar.

Acoustic Performance of Regupol® 3912 Acoustic Underlay- Example 1

Airbourne sound Insulation Rw (C;Ctr)

54dB (measured in accordance with BS EN ISO 140-3:1995

Impact Sound Insulation (Lntw)

43dB (measured in accordance with BS EN ISO 140-6:1998

 

Example 2:

18mm T&G chipboard laid over 19mm plasterboard plank, over Regupol® 3912 Acoustic Underlay adhered to 18mm T&G chipboard, directly fixed to timber joists, 8” x 2” and two layers of 12.5mm thick plasterboard fixed to the joists.

Acoustic Performance of Regupol® 3912 Acoustic Underlay- Example 2

Airbourne sound Insulation Rw (C;Ctr)

49dB (measured in accordance with BS EN ISO 140-3:1995

Impact Sound Insulation (Lntw)

55dB (measured in accordance with BS EN ISO 140-6:1998

Example 3: Acoustic Batten System

Regupol® 3912 Acoustic Underlay is a very versatile product within the refurbishment market and can also be used with batten floor systems e.g. 18mm T&G chipboard fixed to timber battens laid on Regupol® 3912 adhered to 18mm T&G chipboard. Please contact us for details on use on batten floors.

Main benefits of the batten system

  • Cuts to suit a variety of different batten widths, giving greater flexibility when selecting the batten size.
  • Only 6mm thick, therefore minimises floor heights, which can often be the disadvantage in using standard “off the shelf” products.
  • Fix to the top or bottom of the battens.

Laying Regupol® 3912 Acoustic Underlay

Subfloor preparation is essential for the correct installation of Regupol® 3912 Acoustic Underlay  . Subfloors must be sound, smooth, dry and free from any contaminants which could affect adhesion.

Please ensure each roll of Regupol® 3912 Acoustic Underlay  is completely unrolled, turned over and left in the area to which it is to be applied for a minimum of 6 hours or ideally overnight prior to cutting and installing.

Bond Regupol® 3912 Acoustic Underlay to the base floor. The Regupol® 3912 Acoustic Underlay  should be bonded to the subfloor using one of our  recommended adhesives – please contact us for a list.

Please ensure the adhesive guidelines are followed at all times.

  1. Lay the Regupol® 3912 Acoustic Underlay   into the adhesive and press from the centre outwards to exclude air and ensure overall contact with the adhesive.
  2. Roll the Regupol® 3912 Acoustic Underlay  with a 68kg flooring roller, from end to end and side to side to ensure overall contact.
  3. Please leave a minimum gap of 3mm around the entire perimeter to allow for expansion and contraction. Do not butt the Regupol® 3912 Acoustic Underlay  against the skirting boards and/or carpet grippers.
  4. Use a craft knife and straight edge for cutting to size and please ensure that all edges are butt jointed.
  5. After 30 minutes, when the floor has been completely covered, roll once again to ensure contact is maintained.
  6. Please do not apply loads or move furniture on the Regupol® 3912 Acoustic Underlay until the adhesive has fully set. Please refer to the adhesive manufacturer’s installation guidelines for curing times.

Important steps before you lay Regupol® 3912 Acoustic Underlay

The recognized technical rules of the industry, and the code of practice requirements of BS8203 2001 “Installation of Resilient Floor Coverings” are to be observed.  Regupol® Acoustic Underlays can be easily installed provided BS 8203:2001 and the installation guidelines are observed.

Please note that Regupol® 3912 Acoustic Underlay consists of PUR foam and no rubber crumb. When comparing alternative products please be cautious where a ‘direct equivalent’ is offered. Many alternatives consist of a rubber compound which can cause plasticizer migration when used with certain floor finishes. We will not accept liability for products sold as a Regupol® 3912 equivalent.

For data sheets and full installation guides cllick on the the 'TECHNICAL INFO' tab or call.

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 Product Specification

Roll Width

Roll Lengths (standard)

Thickness

1m

15m

6mm

Non standard lengths available on request

Regupol 3912 conforms to the following specifications:

Colour

Density

Tensile strength 
(DIN 53571)

Elongation at break 
(DIN 53571)

Temperature resistance

Black

Approx. 
370 kg/m3

Approx. 
0.4 N/mm2

Approx. 45%

-40 to +110°

Caloric 
conductivity

Building 
class

Thermal resistance 
(DIN 52612)

Impact sound insulation ΔLw

Approx. 0.12 W/mk

B2

1/λ = 0.049 K/W

23dB (measured in accordance with BS EN 140-8:1998)

For data sheets cllick on the the 'TECHNICAL INFO' tab

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