Hatch
Box
Ladder
Treads
Available sizes
60 × 111*, 60 × 120, 60 × 130, 70 × 111*, 70 × 120, 70 × 130 and 70 × 140 cm.
* recommended length of the ceiling opening is 113 cm
/in all KRONMAT loft ladders models with a length of 111 cm, the actual length of the box is 111 cm/
Thermal performance
The double-sided white insulated hatch is 3.6 cm thick and helps limit heat flow. The U-value of the central section of the hatch is 1.13 W/(m²·K).**
Seal
The perimeter seal installed in the box helps limit air leakage between the hatch and the box.
Hatch lock
When the hatch is closed, the lock presses it against the seal.
Ease of use
The metal handrail provides an additional point of support when using the loft ladder.
** Manufacturer’s internal test for the central section of the hatch.
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| high insulation | easy and quick installation | high comfort of use | warranty 2 year | additional accessories/span> |

* Manufacturer’s internal test for the central section of the hatch.