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Products Overview | Wall | Breather Foil-FR

Insulating Fire Retardant Breather Venting Membrane for Timer Frame Construction
With Brick - A
U-Value - to 0.35
89mm stud - standard glass fibre
 
Thickness
(mm)
Thermal
Conductivity
(W/mK)
Thermal
Resistance
(m²K/W)
Outside surface resistance — — 0.040
Brick, external 102.50 0.770 0.133
BF-FR Cavity 50.00 — 0.665
BF-FR Bubble 4.00 — 0.125
OSB board 9.00 0.130 0.069
Glass fibre 89.00 0.044 2.223
Polythene, 500 gauge — — —
Plasterboard 12.50 0.190 0.066
Inside surface resistance — — 0.130
 
U-value, Combined Method: 0.35W/m²K

With Brick - B
U-Value - to 0.3
89mm stud - high performance glass fibre
 
Thickness
(mm)
Thermal
Conductivity
(W/mK)
Thermal
Resistance
(m²K/W)
Outside surface resistance — — 0.040
Brick, external 102.50 0.770 0.133
BF-FR Cavity 50.00 — 0.665
BF-FR Bubble 4.00 — 0.125
OSB board 9.00 0.130 0.069
Glass fibre 89.00 0.033 2.697
Polythene, 500 gauge — — —
Plasterboard 12.50 0.190 0.066
Inside surface resistance — — 0.130
 
U-value, Combined Method: 0.30W/m²K

With Brick - C
U-Value - to 0.3
95mm stud - plus type glass fibre
 
Thickness
(mm)
Thermal
Conductivity
(W/mK)
Thermal
Resistance
(m²K/W)
Outside surface resistance — — 0.040
Brick, external 102.50 0.770 0.133
BF-FR Cavity 50.00 — 0.665
BF-FR Bubble 4.00 — 0.125
OSB board 9.00 0.130 0.069
Glass fibre 95.00 0.035 2.714
Polythene, 500 gauge — — —
Plasterboard 12.50 0.190 0.066
Inside surface resistance — — 0.130
 
U-value, Combined Method: 0.30W/m²K

With Block and Render - D
U-Value - Dense Block to 0.35
89mm stud - standard glass fibre
 
Thickness
(mm)
Thermal
Conductivity
(W/mK)
Thermal
Resistance
(m²K/W)
Outside surface resistance — — 0.040
Render
Block

19.00
100.00

 1.000
1.130		 0.019
0.088
BF-FR Cavity 50.00 — 0.665
BF-FR Bubble 4.00 — 0.125
OSB board 9.00 0.130 0.069
Glass fibre 89.00 0.044 2.023
Polythene, 500 gauge — — —
Plasterboard 12.50 0.190 0.066
Inside surface resistance — — 0.130
 
U-value, Combined Method: 0.35W/m²K

With Block and Render - E
U-Value - Dense Block to 0.3
95mm stud - plus type glass fibre
 
Thickness
(mm)
Thermal
Conductivity
(W/mK)
Thermal
Resistance
(m²K/W)
Outside surface resistance — — 0.040
Render
Block

19.00
100.00

 1.000
1.130		 0.019
0.088
BF-FR Cavity 50.00 — 0.665
BF-FR Bubble 4.00 — 0.125
OSB board 9.00 0.130 0.069
Glass fibre 95.00 0.035 2.714
Polythene, 500 gauge — — —
Plasterboard 12.50 0.190 0.066
Inside surface resistance — — 0.130
 
U-value, Combined Method: 0.30W/m²K

With Block and Render - F
U-Value - Dense Block to 0.27
95mm stud - high performance glass fibre
 
Thickness
(mm)
Thermal
Conductivity
(W/mK)
Thermal
Resistance
(m²K/W)
Outside surface resistance — — 0.040
Render
Block

19.00
100.00

 1.000
1.270		 0.019
0.370
BF-FR Cavity 50.00 — 0.665
BF-FR Bubble 4.00 — 0.125
OSB board 9.00 0.130 0.069
Glass fibre 95.00 0.033 2.879
Polythene, 500 gauge — — —
Plasterboard 12.50 0.190 0.066
Inside surface resistance — — 0.130
 
U-value, Combined Method: 0.27W/m²K
 

Overview
Installation
Calculations
Data Sheet
 

Out-performs Breather Membrane
Independently Tested
for Breathabilitye
Fully Waterproof

Can Improve U-VALUE To
0.27 W/m²K!
High performance Fire retardant
CFC/HCFC Free