20mm STEICOtherm Wet Square Edge Wood-Fibre Insulation Slab - 1350mm x 600mm
20mm STEICOtherm Wet Square Edge Wood-Fibre Insulation Slab - 1350mm x 600mm
- Product Code: A1-6958
- Delivery Time: 2 - 4 days
- Brand: Steico
- Model: 1350mm x 600mm - 0.81m2
- Weight: 2.43kg
Our ratings on 18-08-2026:
4.8 out of 5
20mm STEICOtherm Wet Square Edge Wood-Fibre Insulation Slab - 1350mm x 600mm
Length: 1350mm
Width: 600mm
Thickness: 20mm
Single Coverage: 0.81m2
Density: 150kg/m3
Weight/m2: 3kg
Weight: 2.43kg
Thermal Conductivity: 0.038W/mK
R-Value: 0.5m2K/W
20mm STEICOtherm Wet is an ecological, vapour-open insulation board designed for applications where moisture management and thermal mass are critical. The Square Edge (SE) profile makes it particularly suitable for internal wall insulation (IWI) and floor systems where a tight, flush fit is required between slabs.
Each board features a square‑edge profile and two distinct faces:
- a lighter, machine‑sanded side, designed as the plaster‑carrying face, and
- a darker, untreated side, which faces inward during installation.
CHARCTERISTICS
- Fibres bonded using the wood’s own lignin - no synthetic resins.
- Ensures clean, precise installation.
- Light, sanded face for plaster; darker face untreated.
- Low thermal conductivity for improved energy efficiency.
- Vapour‑open and hygroscopic for healthy building physics.
- Dense structure reduces airborne sound transmission.
- Renewable wood fibres with low embodied carbon.
- Fully recyclable and resin‑free.
APPLICATION
- External wall insulation (EWI) systems
- Timber frame external walls
- Pitched roofs (over‑rafter or between‑rafter)
- Internal wall linings
- Renovation and retrofit projects
- Eco‑builds and low‑energy home
CERTIFICATIONS
Steico_therm_technical-data-sheet.pdf
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