PIR Insulation Board termPIR® BT R-eco

The termPIR® BT insulation boards comprise of a PIR rigid foam thermal insulation core based on recycled materials. The boards are protected on both sides with gas-permeable lining from glass reticular fibre impregnated with bitumen (BT).

Advantages of PIR thermal insulation include:

  • PIR insulation boards provide significantly improved energy efficiency;

  • very low water absorption;

  • durability;

  • high strength;

  • easy installation in all weather conditions;

  • does not attract rodents or insects;

  • safe for humans;

  • compliant with all European standards.

 Usage:

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Kind of core: Rigid polyisocyanurate foam(PIR)
Density [kg/m3]: p = 30 kg/m3
Declared heat transfer coefficient for lining λ:
λD = 0,027
for 20 ≤ d < 80 mm
λD = 0,026
for 80 ≤ d ≤ 120 mm
λD = 0,025
for 120 < d ≤ 250 mm
Type of facing: Double-sided gas-permeable lining impregnated with bitumen glass veil (BT).
Standard board dimensions [mm]:

600 x 1200 ; 1200 x 2400​​

Available boards dimensions [mm]: 1000 x 1200 ; 1200 x 1200 ; 1800 x 1200 ; 1200 x 3000​​
Joint types*: FIT - flat milling, LAP - stepwise milling, TAG - tongue and groove
Board thicknesses available [mm]: from 20 to 250 mm

Board thickness [mm]:

20 30 40 50 60 70 80 90 100 110 120 130
Thermal resistance RD:
0,70 1,10 1,45 1,85 2,20 2,25 3,05 3,45 3,80 4,20 4,80 5,20
Heat transfer coefficient U for roof:
1,14 0,80 0,62 0,50 0,42 0,37 0,31 0,28 0,25 0,23 0,20 0,19
Heat transfer coefficient U for wall and floor:
1,10 0,78 0,61 0,49 0,42 0,36 0,31 0,28 0,25 0,23 0,20 0,19
Board thickness [mm]:
140 150 160 170 180 190 200 210 220 230 240 250
Thermal resistance RD:
5,60 6,00 6,40 6,80 7,20 7,60 8,00 8,40 8,80 9,20 9,60 10,0
Heat transfer coefficient U for roof:
0,17 0,16 0,15 0,14 0,14 0,13 0,12 0,12 0,11 0,11 0,10 0,10
Heat transfer coefficient U for wall and floor:
0,17 0,16 0,15 0,14 0,14 0,13 0,12 0,12 0,11 0,11 0,10 0,10
Reaction to fire (single board): F class

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