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DAMTEC® Estra
DAMTEC® Estra
DAMTEC® Estra

Building Products / Impact Sound Insulation / Flooring / Damtec Sound Insulation / Impact Sound & Vibration Insulation / Under Screed / DAMTEC® Estra

DAMTEC® Estra

Ideal acoustic underlay under floating screeds, concrete slabs or underneath rigid floor elements on wooden subfloors

Damtec® estra provides outstanding elasticity and extremely high resistance to compressive loads. It is equally well suited for applications in residential, office and commercial buildings. The acoustic underlay is particularly quick and easy to install. It provides a wide range of benefits under screed or rigid floor elements including long service life and superb strength.

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Everything You Need to Know

1. European Technical Approval (CE label)
2. Brilliant noise insulation with a low panel thickness
3. Outstanding compressive strength and load-bearing performance
4. Permanently elastic
5. Waterproofed and rot-proofed
6. Highest resiliency even after years of use (does not compress and reduce sound absorption)
7. Very low emission
8. Very environment-friendly, recycled rubber can be recycled again
9. Fast and easy installation
Density

Approx. 680 - 750 kg/m³

Tolerances

Length and width ± 1.5% Thickness ± 0.3 mm

Tensile strength

Approx. 0.4 N/mm²

Elongation at break

Approx. 50%

Temperature resistance

-30° bis 80°C

Fire resistance

B2

Dynamic stiffness
4 mm

< 90 MN/m³

6 mm

< 70 MN/m³

8 mm

< 60 MN/m³

IMPACT SOUND IMPROVEMENT
ΔLw

19 dB under screed with 4 mm (50 mm screed)

ΔLw

19 dB under screed with 6 mm (35 mm screed)

ΔLw

20 dB under screed with 6 mm (50 mm screed)

ΔLw

21 dB under screed with 8 mm (50 mm screed)

DAMTEC Estra - Technical Datasheet
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DAMTEC Estra - Installation Guide
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DAMTEC Estra - Tender Specification
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DAMTEC Acoustic Insulation – Brochure
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