Production and assembly according to wall assembly place dimensions. Fine processing thanks to continuous tests during production. Guaranteed stair resistance, convenient usage despite of high carriage capacity. A special appearance combined with comfortable functionality, first-class air impermeability, perfect air insulation.

 

Product definition

A product ready for assembly according to DIN 4570 / DIN EN 14975 norms

This model does not require opening area on roof ground.

 

Case cover

Sandwich cover with heat isolation ( 62mm )

U-value 0,55W/m²K

Air impermeability a-value class 4.

Bottom surface of the cover is white coated and edges are processed.

 

Stair

Aluminum diecast scissor stairs.

Step depth is 14cm

25cm step width at 62cm opening width

35cm step width at 71cm opening width

200kg carriage capacity per step or 500 kg/m² for whole stair.

 

Case

Untreated, raw plate (19 mm)

Case depth 24 cm. Complete sealing around the cover. Opening area on roof ground is not necessary.

 

Standard equipment

Air-proof, heat-isolated assembly place cover. Complete weight balancing on the stair and assembly place box. Assembly place cover which locks by using stair’s own weight. White moldings cut according to corner combination places - easy assembly. Assembly, operation and maintenance instructions.

 

Accessory

Telescopic guardrail

Equipment types (example)

F30 steel assembly place box

Assembly place coatings with various sizes