Stairs into the ceiling
Lusso PP
Lusso PP flame-resistant attic stairs with sheet metal sandwich cap for installation into the ceiling
About the product
Cap contains thermal insulation and a flame-resistant insert. Fire resistance is certified by Centrum stavebního inženýrství a.s. Zlín. Starting at dimensions of 1,000 mm, the cap’s opening system is equipped with a braking mechanism against sudden opening. Sandwich cap: The wooden frame filled with insulation is sheathed with galvanized sheet metal.
Gallery / inspiration
Technical information
| Cap | sandwich – the wooden frame filled with insulation is sheathed with galvanized sheet metal. The visible part is painted white and covered with protective film. |
| Thermal insulation | yes, U = 1.7 W / (m2.K) for stair sizes 1200 x 700 mm U = 1.8 W / (m2.K) for stair sizes 700 x 500 mm |
| Fire resistance | yes, 60 minutes - EI120/EI260/EW60 |
| Frame colour | RAL white |
| Step colour | RAL red + galvanization |
Manuals, certificates
Frame
- the frame is welded from rolled profiled sheet metal with Komaxit surface treatment (white)
Body of attic stairs
- steps – rolled profile welded with S-shaped sheet metal stampings with Komaxit surface treatment (black)
- joints – S-shaped sheet-metal stampings galvanized (yellow chromate)
Cap hinges
- stainless steel
Fittings and fasteners
- made of high-strength material with galvanized surface
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