Fire resistant loft ladder made to measure

The DOLLE BD 90 is tested and meets the requirements of EN 4102-2: 1977-09, it can withstand 90 minutes of exposure to fire.

The loft ladders trapdoor is insulated with 50 mm rockwool and has 10 cm plasterboard on each side. The BD90 fire-resistant loft ladder comes with a double lock for easy and safe operation with a pole.

The DOLLE BD90 loft ladders have non-slip steps with plastic feet to provide extra security and to protect the floor covering.


Specifications

 

Outside casing 117.5 - 147.5 × 57.6 - 79 cm*
Opening size 120 - 150 × 60 - 81.4 cm**
Floor-to-ceiling height 218 - 336 cm***
Casing height 19 - 80 cm
Type 3 section
Tested u-value 0,69 W/(m2K)
Insulation 50 mm Rockwool
Fire approved BD90 fire approved - DIN 4102-2
Maximum load 150 kg, EN 14975
Air tightness Class 4

* Outside casing must max. be width x length = max. 1.0672 m2.
** Opening size must max. være 1,125 m2.
*** 13 treads ladder is used at a ceiling height of max. 305 cm, 14 treads ladder is used at a ceiling height of max. 336 cm. In both cases the casing length must be min. 137.5 cm.


Do you need help ?

 

uksales@dolle.com   |   Tel. 01376 528000