EXTREME 1.5 – Professional Underlay for Laminate Floors

The perfect base for your Decoration laminate floor.
The EXTREME 1.5 underlay is specifically designed for use with the Alsa Laminate Collection from Decoration. This high-performance underlay not only protects your floor but also enhances comfort with excellent insulation and sound absorption.

Eco-Friendly & Durable

Crafted from innovative ECO materials:

• Eco-fleece + PU/minerals + PET film

• Up to 90% natural content (e.g. rapeseed and castor oil)

• Recyclable and safe for municipal waste

✅ Free from harmful substances
✅ Ideal for sustainable renovation and construction

Outstanding Sound Insulation

Provides approx. 16 dB noise reduction – perfect for upstairs rooms or apartment living.

Floor Heating Compatible & Fire Safe

• Compatible with underfloor heating and cooling

• Thermal resistance: ~0.009 m²K/W

• Fire classification: Bfl-s1 for added safety

Technical Specifications

• Thickness: 1.5 mm

• Composition: Polyurethane-mineral mat

• Sound reduction: ~16 dB

• Packaging: 10 m² roll (10 m x 1 m)

• Installation: Suitable for all floating laminate floors

Important note:
This underlay is not required for our CoreTec PVC collection. These floors have an integrated cork underlayer and are ready to install.

Delivery Time

Available via the Decoration online store.
Delivery time: approx. 14 days

Complete your laminate flooring project with the right base.
Choose EXTREME 1.5 – the smart, silent and strong foundation for everyday comfort.