AcouBond System

 

Construction

 

 

Sound Insulating System for Timber Flooring

Description The Sika AcouBond System consists of the sound dampening one

component adhesive. SikaBond-T53 and the SikaLayer-05 foam mat.

Uses The Sika AcouBond System is used to bond timber floors in residential office

and industrial buildings. The system provides a sound dampening effect

improving the acoustic insulation of a room.

Advantages • Footfall sound can be reduced by up to 18dB.

• Excellent sound dampening qualities.

• Can be walked on during installation.

• Easy and safe to install.

• Good adhesion to most substrates.

Approvals/Standards • Sound Transmission Class 60: RALTM – TL01 – 221 (USA)

• Impact Insulation Class 57: RALTM – INOI – II (USA)

• Reduction of Impact Sound ?LW 18dB (NF EN ISO 717/2): Report

OIA829e

• Reduction of Impact Noise ?LW – 3dB (NF EN ISO 717/2): Report

OIA828e

Storage and Shelf Life Stored in the original sealed container at a temperature range between 0°C

and 25°C this material will keep for a minimum of nine (9) months.

Instructions for Use

Surface Preparation

All surfaces must be clean dry sound and free from dust and loose particles.

Paint laitance and other poorly adhering particles must be removed by

grinding. Standard construction rules or the timber manufacturers or the

timber manufacturers instructions regarding moisture content of concrete

cement screeds or wooden substrates must be observed.

Concrete/cement screed substrate: No preparation is necessary on a dry

dense wearable substrate. For other substrate conditions the floor must be

grinded and thoroughly cleaned with an industrial vacuum cleaner.

(Important: Pre-Trials absolutely necessary)

Other substrates: In case of flowable screeds and other unknown substrates

we recommend that you consult your local Sika Technical Representative.

Priming The moisture content should be measured in accordance with the Floor

Coverings Standard AS1884-1985. A method of testing concrete moisture is

given in the appendix of this standard.

When the moisture content of the concrete is found to be below 5.5% the

substrate is considered suitable for SikaBond-T53 to be applied without a

primer.

When the moisture content of the concrete is found to be between 5.5% and

10% Sika Primer MB must be used as a primer before applying SikaBond-

T53.

When the moisture content of the concrete is greater than 10% EpoCem

(Sikafloor-81or Sikagard-720) should be used as a temporary moisture

barrier. Sika Primer MB should then be used as a prime coat before applying

SikBond-T53.

When priming with Sika Primer MB a continuous visible film of cured epoxy

must be observed on the surface. The application rate will depend on the

porosity of the substrate.

Revised October 2004

Construction

 

 

Application 1. Place SikaLayer – 05 mat parallel to the direction to which the timber is

being laid. Ensure that the foam mats are placed close to each other

however they must not overlap.

2. Apply the SikaBond-T53 adhesive with the application gun into all cut

outs in the mat. Nozzle must be held vertical to the substrate.

Important: Adhesive bead must be 10 x 8 mm. Adhesive may not be

placed into the mat between the cut outs.

3. Position timber elements and firmly press them into the adhesive until

they lay tight on the SikaLayer-05. The elements can then be joined

together with a hammer and impact block. For gaps along the walls

please follow the timber manufacturers instructions.

Revised October 2004

Construction

 

Technical Data (Typical)

1. Sika Layer-05

Type High quality polyethylene foam mat with symmetrically place cut outs

Colour Grey

Density 30kg/m³

Thickness 5mm

Heat Conductivity 0.042 W/mk

Footfall Sound Reduction Up to 18dB

Dimensions 1500mm wide

13.3m long

20m²/ Roll

2. SikaBond-T53

Type One part polyurethane

Colour Beige

Density 1.15 – 1.2kg/litre

Tack Free Time Approximately 50 minutes (at 23°C & 50% r.h)

Open Time Approximately 45 minutes

Rate of Cure 4mm in 24 hours (at 23°C & 50% r.h)

Shore A 40 (DIN 53505)

Tensile Strength 1.8 MPA (DIN 53504)

Tensile Shear Strength 1.2 MPA (DIN 281)

Elongation at Break >500% (DIN 53504)

Service Temperature Between -40°C & +80°C constantly temporarily up to +90°C

Packaging 600ml sausage 20 sausages per box

Consumption One roll of Sika® Layer-05 requires one carton of 20x600mL SikaBond®-

T53.

Important Notes • Floors can be walked on 24 hours after installation (no traffic or heavy

concentrated loads). The floor is fully serviceable after 48 hours.

• For proper curing of the SikaBond-T53 it must be allowed to moisture

cure (i.e. either from the substance or the air).

• SikaBond-T53 should not be used on polyethylene polypropylene

Teflon & other plasticised synthetic materials. (Trials should be

conducted if in doubt).

• Consult Sika Primer MB Technical Data Sheet for detailed priming

information.

• Timber flooring systems should be allowed to acclimatise to the

environment it is to be placed in to allow for expansion and shrinkage

problems that may occur. Refer to the timber manufacturers installation

and design procedures.

• The Sika Acoubond System is not suitable for thin gauge timber

(<19mm thick).

Revised October 2004

Construction

 

 

Sika Australia Pty Limited www.sika.com.au

ABN 12 001 342 329 Tel: 1300 22 33 48

Important Notification The information and in particular the recommendations relating to the

application and end-use of Sika’s products are given in good faith based

on Sika’s current knowledge and experience of the products when

properly stored handled and applied under normal conditions. In

practice the differences in materials substrates and actual site conditions

are such that no warranty in respect of merchantability or of fitness for a

particular purpose nor any liability arising out of any legal relationship

whatsoever can be inferred either from this information or from any

written recommendations or from any other advice offered. The

proprietary rights of third parties must be observed. All orders are

accepted subject of our terms and conditions of sale. Users should

always refer to the most recent issue of the Technical Data Sheet for the

product concerned copies of which will be supplied on request.

PLEASE CONSULT OUR TECHNICAL DEPARTMENT FOR FURTHER

INFORMATION.