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Roller shutter profiles |
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High quality aluminium alloys, the strength and sturdiness of partitions, and a double coat of extremely weather-proof thick film guarantee heroal’s excellent quality. Roller shutter profiles are filled with foam using CFC-free polyurethane, which gives them extra stability and helps with noise and heat insulation. |
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Sound insulation |
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With a 100 mm gap between shutter and double-glazing, sound reduction is increased by up to 10 dB. |
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Heat insulation in summer according to DIN 4108-2 |
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Comparative table of Fc reduction factor to determine amount of sunlight penetration |
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Type and position of sun screen mechanism |
Fc |
Without sun screen mechanism = unhindered penetration |
1,0 |
External |
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Roller shutters, window shutters |
0,3 |
Blinds, general |
0,4 |
Awnings, general |
0,5 |
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Heat insulation in winter |
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Closed roller shutters reduce the loss of heat through a window by up to 20%.
(Source: German Roller Shutter and Sun Screen Association) |
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Wind resistance ratings according to DIN EN 13659 |
Basic table |
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Rating |
0 |
1 |
2 |
3 |
4 |
5 |
6 |
Normal test pressure p (N/m²) |
<50 |
50 |
70 |
100 |
170 |
270 |
400 |
Safety test pressure 1.5 p (N/m²) |
<75 |
75 |
100 |
150 |
250 |
400 |
600 |
Wind speed km/h |
<38 |
38 |
49 |
61 |
74 |
88 |
117 |
Wind force on Bft scale |
<5 |
5 |
6 |
7 |
8 |
9 |
11 |
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