The Porotherm clay block system is a monolithic wall structure, so no cavity just solid wall. You will use these blocks for your external wall where is the thermal performance is important. Used from DPC (damp-proof course) up to roof plate level and also for gables. Available block sizes (wall thickness): 240mm, 300mm, 365mm, 425mm, 490mm. All block sizes available with or without integrated mineral wool insulation.
Suitable for external wall, bungalow or multi storey build, it won’t need any further insulation to achive current building regulation (0.21W/m2K), this block providing U-value of 0.16W/m2K on it’s own
| Product Description | Porotherm T7 425 MW |
|---|---|
|
Dimension in mm (LxWxH)
|
248 x 425 x 249
|
|
Quantity/sqm
|
16
|
|
Quantity/pack
|
40
|
|
Weight kg/each
|
15.9
|
|
Weight kg/pack
|
636
|
|
Conductivity Dry Block Lambda [W/mK]
|
0.07
|
|
Compressive strength
|
6 |
Heat Loss Value
Note: If you need to do your own calculation, you can find the Lambda value, for all the invidual blocks in the Products tab.
The numbers based on a 1mm parge coat, dab and slab finish internally, 15mm render externally.
Mineral Wool Insulation in the Voids
| Product | Insulation Type and Thickness | Provided U Value |
|---|---|---|
| Porotherm 425 T7 MW | – | 0.15W/m²K |
| Porotherm 425 T7 MW | 50mm EPS | 0.13W/m²K |
| Porotherm 425 T7 MW | 100mm EPS | 0.11W/m²K |
| Porotherm 425 T7 MW | 150mm EPS | 0.09W/m²K |
| Porotherm 425 T7 MW | 200mm EPS | 0.08W/m²K |
Heat Loss Value
Note: If you need to do your own calculation, you can find the Lambda value, for all the invidual blocks in the Products tab.
The numbers based on a 1mm parge coat, dab and slab finish internally, 15mm render externally.
Mineral Wool Insulation in the Voids
| Product | Insulation Type and Thickness | Provided U Value |
|---|---|---|
| Porotherm 425 T7 MW | – | 0.16W/m²K |
| Porotherm 425 T7 MW | 50mm EPS | 0.13W/m²K |
| Porotherm 425 T7 MW | 100mm EPS | 0.11W/m²K |
| Porotherm 425 T7MW | 150mm EPS | 0.09W/m²K |
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