The STEICO pitched internally fitted system complies with the most stringent of standards – from baseline building regulations through to Passivhaus.
The STEICO pitched internally fitted system is suitable for most internal finishing options, including lime plaster, clay plaster or plaster board finish.
Contact our friendly and knowledgeable STEICO experts who can help guide you through every step of the process:
- Helping with the design and specification
- Calculating U values and other parameters
- Calculating the quantities of each product you’ll need
- Quoting for direct delivery to site from our UK based STEICO warehouse of wood fibre products.
You can contact our friendly team by phone, by email or by completing the form found at the bottom of the page.








OPTION A
1 Roof covering/tile battens.
2 Existing membrane.
3 STEICO Multi UDB membrane.
4 STEICO flex.
5 STEICO Protect 80mm plus) / STEICO Duo Dry (40 & 60mm)
6 Internal lime plaster system.

OPTION B
1 Roof covering/tile battens.
2 Existing membrane.
3. STEICO Multi UDB Membrane
5 STEICO Protect 80mm plus) / STEICO Duo Dry (40 & 60mm)
6 Internal lime plaster system.
Internal Lime Plaster specification:
- Isovit E-Cork applied with a notched trowel @ 3 mm.
- 4 mm glass fibre mesh.
- Isovit E-Cork @ 3 mm.
- Reabilita Cal AC (Finishing Render) @ 4 mm (applied in two 2 mm coats).
- For a smoother finish apply Regency Lime Plaster @ 1 mm (optional).