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.
External wall for bungalow or multi storey house. It won’t need any further insulation to achieve the current building regulation (U value 0.21W/m2K) On it’s own will provide U-value of 0.18W/m2K
| Product Description | Porotherm T8 425 |
|---|---|
|
Dimension in mm (LxWxH)
|
248 x 425 x 249
|
|
Quantity/sqm
|
16
|
|
Quantity/pack
|
48
|
|
Weight kg/each
|
15.7
|
|
Weight kg/pack
|
754
|
|
Conductivity Dry Block Lambda [W/mK]
|
0.08
|
|
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.
| Product | Insulation Type and Thickness | Provided U Value |
|---|---|---|
| Porotherm 425 T8 | – | 0.17W/m²K |
| Porotherm 425 T8 | 50mm EPS | 0.14W/m²K |
| Porotherm 425 T8 | 100mm EPS | 0.12W/m²K |
| Porotherm 425 T8 | 150mm EPS | 0.10W/m²K |
| Porotherm 425 T8 | 200mm EPS | 0.09W/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.
| Product | Insulation Type and Thickness | Provided U Value |
|---|---|---|
| Porotherm 425 T8 | – | 0.18W/m²K |
| Porotherm 425 T8 | 50mm EPS | 0.14W/m²K |
| Porotherm 425 T8 | 100mm EPS | 0.12W/m²K |
| Porotherm 425 T8 | 150mm EPS | 0.10W/m²K |
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