U Values
Marmorit UK Guidline Table for U Values
using the Warmwall System
All values are quoted as W / m2k and are approximate based on the construction breakdown below:
- Timber/Metal Frame Construction
- Timber/Metal Frame Cavity Construction
- 215mm Lightweight Blockwork
- 140mm Medium Dense Blockwork
- 250mm Block/Brick Cavity Construction
2 x 12.5mm plasterboard, unfilled stud cavity. 10mm cement board
2 x 12.5mm plasterboard, unfilled stud cavity, 10mm cement board, 15mm ventilated cavity
12.5mm plasterboard on dabs, 215mm lightweight blockwork with a thermal conductivity of 0.22 W/m K
12.5mm plasterboard on dabs, 140mm medium dense blockwork with a thermal conductivity of 0.61 W/m K
12.5mm plasterboard on dabs, 100mm medium blockwork, unfilled cavity, 102.5mm external brickwork
tel: 01392 424 898
39 Marsh Green Road West
Marsh Barton Ind. Estate
Exeter
Devon
EX2 8PN
email: info@therm-eco.net