Loft Ladder DOLLE BD90

DOLLE F90 (BD 90) is fire tested from above and from below with a fire resistance of 90 minuts.

Made to measure size:

> Outer frame dimension: L: 117,5 - 147,5 x B: 57,6 - 79 cm
> Opening size: L: 120 - 150 x B: 60 - 81,4 cm

DOLLE F90 ( BD 90 ) is tested according to DIN EN 4102-2: 1977-09

The trapdoor is insulated with 50 mm rockwool+ 10 cm gypsum board on each side. The F90 loft ladder is delivered with a double latch lock for easy and safe operation together with the wooden push/pull rod. The loft ladder has a nice finish with white faced trapdoor and whitepainted wooden architraves. DOLLE F90 loft ladder has non-slip treads and plastic feet for extra security and is delivered with a draught excluder which reduces the loss of heat. made to measure

Fireresistant loft ladder

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Product data

Product name Loft Ladder DOLLE BD90
Type 3-section
Material wood
Product-No. 10900
FLOORHEIGHT Max. 336 cm
Height with extra treads Max. NOT Possible cm
Outlet in cm 137 cm
Outside width in cm 164 cm
NUMBER OF TREADS 11-14
Opening size special measure cm
Insulation 50 mm
Material (Casing) Blockboard and gypsum board
Thickness (Casing) 38 mm
Height (Casing) 190 mm
Outside Casing special measure cm
Material (Trapdoor) gypsum board
INSULATION (TRAPDOOR) 50 mm
THICKNESS (TRAPDOOR) 70 mm
THICKNESS (TREADS) 18 mm
DEPTH (TREADS) 83 mm
WIDTH (TREADS) 400 mm
RISE (TREADS) 250 mm
Material (Treads) beech
Material (String) pine
THICKNESS (STRING) 21 mm
Depth (String) 83 mm
MAX. HEIGHT CLOSED STAIR 40 cm
MAX. HEIGHT ARM, CLOSED STAIR CM 62,4 cm
MAX. USERWEIGHT Tested by EN14975 up to 265 kg, work weight 150 kg
Special measure Yes
U-VALUE W/(M²K) 0,69 calculated as building component
Test IFT Rosenheim EN12207 Class 4

Measurements