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< BVR General Information
Certification & Other Info

BVR(C) DIN BVR(C) DIN
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English version available upon request
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BVR

Technical Information

Impact Safety Test

No information available yet.

Thermal Insulation

Thickness of operable flaps in mm
1.5 6 10 16 16k 20 24 25k 30 60 60+ spc
Single skin aluminium 5.6
Glass 5.1
Polycarbonate 3.1 2.3 2 1.8 1.7
Insulated glass standard 3 2.9 2.8
Insulated glass type HR 2 1.8 1.6
Double skin aluminium 1.9 1.8 0.45 0.4 0.4
K-values in W/m²k

Sound Reduction

Thickness of blade material in mm
1.5 6 10 16 16k 20 24 25k 30 60 60+ spc
Single skin aluminium 6
Glass
Polycarbonate 17 21 21 21 22
Insulated glass standard 32 35 37
Insulated glass type HR 32 35 37
Double skin aluminium 22 28 38 42
Rw-value in dB
according ISO 717

Transparency

    Main Clear Opal
Glass 6 mm 90%    
Insulated Glass 20/24/25/30mm 90%    
Polycarbonate 10 mm   80% 48%
Polycarbonate 16 mm   76% 48%
Polycarbonate 20 mm   64% 37%
Polycarbonate 25 mm 44% 24%
       

Air Capacity

The BVR has a CV-value of 0.65.

Snow Load

According BS7346: Part 1: 1990 standards the uninsulated BVR can carry a snow load up to 125 N/m². The insulated types can carry a snow load of 300 N/m². These values are applicable with an opening of 30° or less.

Temperature Resistance

Standard minimum -20°C and maximum +70°C.

Rain Defence

The BVR is waterproof in closed position, according the standards of BS7346: part 1: 1990 Clause 5.3.

Wind Resistance

The BVR meets the standards of BS7346: part 1: 1990 and opens successfully with a side wind of 18 m/s (Clause 5.6).
See also:

> BVR Specification
< BVR General Information
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