At LMR, we now stock 350mm Trench Blocks.
Under the new Part L1B 2021 regulations, you will need to achieve 0.18 W/m2K*. for external cavity walls, this can be achieved using the following wall make-up:
- 102.5mm brickwork
- 150mm cavity width
- 150mm Knauf Dritherm 32 insulation (0.032 W/mK)
- 100mm aircrete blockwork (0.15-0.18 W/mK)
- 12.5mm plasterboard
*U Value calculations available upon request from manufacturers and other external wall make ups are available to achieve 0.18W/m2.
Give our team of experts a call to discuss our stock and direct to site offerings.