The LWT Passive House loft ladder is a technically complex design specifically developed for the demands of such energy-efficient construction standards. It is installed with a kit which connects the ladder to the ceiling to guarantee a perfect seal and insulation without thermal bridges. It comes with Passive House certification.

U-Value = 0.51 W/m²K

Triple system of seals - guarantees perfect tightness

Non-slip treads set flush with ladder strings

White insulated hatch

Handrail

Easy installation

3-year warranty

Ceiling Opening Dimension: 62 x 122cm, 72 x 122cm, 72 x 142cm
Maximum Room Height: 280cm
Minimum Room Height: 234cm
Box External Dimensions: 58 x 118.4cm, 68 x 118.4cm, 68 x 138.4cm
U-Value: 0.51 W/m²K
Maximum load weight: 160kg
Hatch Thickness: 8cm
Insulation Thickness: 7.4cm
Tread length: 34cm
Tread Width: 8cm
Distance Between Treads: 25cm

Airtightness rating of Class 4 - EN12207
Fully Passive House Certified Component