Casing

Material: Pine wood

Thickness: 20mm

Height: 140mm

Hatch door

Material: Pine wood frame in side and on each side with HDF panel outside,

Thickness: 36mm

Insulation: 20mm polystyrene

Insulation coefficient: 1.1 W/m2K

Ladder

Material: Pine wood

Width: 380mm

Distance between treads: 250mm

Tread dimensions

Thickness: 20mm

Width:340mm

Depth: 80mm

String dimensions

Thickness: 20mm

Depth: 80mm

Attic Stair(Wood Attic Stair, Wooden Attic Stair)