Width (W) mm & Length (L) mm are O/A Fixed Frame Sizes
Width-W
Length-L
600
700
800
900
1000
1100
1200
600
0.28
0.31
0.34
0.37
0.40
0.43
0.46
0.50
0.56
0.61
0.67
0.72
0.78
0.83
700
0.31
0.34
0.37
0.40
0.43
0.46
0.49
0.56
0.62
0.67
0.73
0.78
0.84
0.89
800
0.34
0.37
0.40
0.43
0.46
0.49
0.52
0.61
0.67
0.72
0.78
0.83
0.89
0.94
900
0.37
0.40
0.43
0.46
0.49
0.52
0.55
0.67
0.73
0.78
0.84
0.89
0.95
1.00
1000
0.40
0.43
0.46
0.49
0.52
0.55
0.58
0.72
0.78
0.83
0.89
0.94
1.00
1.05
1100
0.43
0.46
0.49
0.52
0.55
0.58
0.61
0.78
0.84
0.89
0.95
1.00
1.06
1.11
1200
0.46
0.49
0.52
0.55
0.58
0.61
0.64
0.83
0.89
0.94
1.00
1.05
1.11
1.16
1500
0.55
0.58
0.61
0.64
0.67
0.70
0.73
1.00
1.06
1.11
1.17
1.22
1.28
1.33
1800
0.64
0.67
0.70
0.73
0.76
0.79
0.82
1.16
1.22
1.27
1.33
1.38
1.44
1.49
2000
0.70
0.73
0.76
0.79
0.82
0.85
0.88
1.27
1.33
1.38
1.44
1.49
1.55
1.60
2400
0.82
0.85
0.88
1.49
1.55
1.60
Approx Free Air Area m2 - based upon opening actuator stroke lengths: 300mm, 550mm
Side Hung Vents are restricted to 1.20m2 (Width x Length) with max O/A Fixed Frame Length 1800mm
If the size you require is outside the boundaries of the above matrix, please contact our Sales Office 0n 0208 801 4221
Lonsdale Metal Company Ltd.
Unit 40, Millmead Industrial Centre, Mill Mead Road, London N17 9QU
Tel: +44(0)208 801 4221 Fax: +44(0)208 801 1287
email:
patent_glazing@lonsdalemetal.co.uk