Uses in brief

Silentstep samples An acoustic underlay to reduce noise transfer in both single and multi-storey buildings.

Overview

Silentstep reduces noise in both directions, ie, noise traveling down through the floor and up through the ceiling, wherever the underlay is laid. It is the most economical and versatile soundproofing material available for the flooring, and is effective for airborne and impact noise.industry.

Construction

Silentstep construction Silentstep is made of high quality Airstep rubber underlay combined with a highly flexible loaded vinyl.

Performance

Silentstep is an inexpensive form of carpet underlay, which not only offers an excellent support to all types of carpet but also can reduce sound transfer when laid over a timber floor.

Laying Silentstep Silentstep will take a little extra time to install, however, the benefits experienced by your customer will far exceed the additional effort.

Use standard Domestic Carpet Gripper unless otherwise directed.
Lay waffle side of underlay on to the floor surface.
Butt edges of Silentstep firmly together; underlay tape is necessary.
Silentstep should not be stapled to timber floors or attached by adhesive to concrete floors. By doing so, the acoustic properties will be reduced.
The products has sufficient weight to remain in a firm position during the fitting of the carpet.
Cut in as per normal rubber underlay installation.
Make certain the carpet is firmly attached to leading gripper pins.
Bolster carpet between far side gripper edge and skirting boards. Once again, check that the carpet is firmly attached to the gripper.

Graph of sound transmission loss for Silenstep The accompanying graph charts the evaluation results recorded by National Acoustic Laboratory and by the CSIRO.

Specifications & test results

Property	Requirement per AS4288INT	Typical results	Test method
Roll length (m)		4.00	AS2001-2-13
Roll width (m)		1.10	AS2001-2-13
Thickness (mm)		10.0±1.0	AS2001-2-15
Weight (g/m²)		7000±100	AS2111-3
Breaking strength (N/50 mm)	Warp 40 min	500	AS2001-2-3
Breaking strength (N/50 mm)	Weft 40 min	270	AS2001-2-3
Extension% under force (@40N)	10 max	5.0	AS2001-2-3
Work compression (I/m²)		145±10	AS4288INT
Loss of thickness (%)	Static max 15	5	AS2111-14
Loss of thickness (%)	Dynamic max 15	6	AS2111-2
Work of compression in J/m² after dynamic load (1000 impacts)	75 min 200 max	130±10	AS4288INT App. A
Retention of work of compression after dynamic load (1000 impacts)	40% min	90-95	AS4288INT App. A
Deflection @ 100 kPa after dynamic load (1000 impacts)	2.0 mm min, 4.0mm min	3.0-3.5	AS4288INTApp. A
Sound Transmission Class (Rw)		28	AS1191
Impact Noise reduction (INR)		As for test report INR113	ISO 140-8

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Disclaimer

No information or advice stated or implied herein constitutes an undertaking or guarantee of performance in respect of any service or product or capability. You must not act solely on the basis of the material presented, which could, despite due care, be in error or misleading. You are urged to seek the maker's formal advice before acting on any of the material on any page. Any problems with this website, email soundguard@mentorr.com.au.

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