Specific Data
| LWT PASSIVE HOUSE | TECHNICAL DATA | |
| Parameter | Value |
| Maximum load | 160 kg |
| Loft ladder U-value | 0.51 W/m²K |
| Insulation thickness | 7.4 cm |
| Lid thickness | 8 cm |
| Standard | EN 14975 |
| Airtightness class | Class 4 |
| Maximum room height | 280 cm |
| Number of segments | 3 |
| Box height | 22 cm |
| Tread length | 34 cm |
| Standard equipment | varnished ladder, stile ends, white hatch, three seals, non-slip treads flush with strings, handrail |
| Warranty | 3 years |
| Fakro codes by size | 62×122: 8665AE, 72×122: 8665AF, 72×142: 8665AH |
