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Product specifications

The RESISTA AK insulation boards are available in flat boards of 600 x 1200; 1200 x 1200 and 1200 x 2400 mm and in thicknesses ranging from 30 mm to 140 mm.

For a detailed R- or U-value calculation, please contact Firestone Technical Department.
 

Physical properties

Properties Class acc.
EN 13165
Test Method Unit Value
Declared thermal
conductivity coefficient
λD, 10°C EN 12667 W/mK 0.023
Compressive strength CS(10\Y)150 EN 826 kPa ≥ 150
Water absorption WL(T)1 EN 12087 % ≤ 1
Thickness T2 EN 823 mm e < 50: ±2
50 ≤ e ≤ 75: ±3
e >75: +5, -2
Dimensional stability 
(48h, 70°C, 90% RH)
DS(70,90)3 EN 1604 % Δlength, Δwidth < 2
Δthickness < 6
Reaction to fire   EN 13501-1 - Euroclass F
Reaction to fire (in end-use)   EN 15715 - B-s2,d0
(standard assembly n°3)