retractable staircase trap insulating
Réf : B509S
Allows you to completely isolate any type of retractable staircase.
Made in insulating aluminised foam thickness 8mm Energy saving, stair hatches being a major source of heat loss. universal size to trap 1300x700mm Maximum insulation thicknesses compound 5 2 bubbles films (10mm diam) of sealed air thermobonded between 3 sheets reflective aluminum. M1 classification. Opening and closing with "zip" Attaches inside the attic. insulation coefficient: 1.77m² K / W equivalent to a 60mm glass wool layer.
