Welcome to AW Louvers & Ventilation Ltd the sole Manufacturer and distributor of the Decalu, which are part of the Deceuninck group of Companies, range of Louvers and Acoustic Ventilators within Great Britain

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Equivalent Area Ea mm2/m Can be blokced off to provide 2500Ea Can be blocked off to provide 5000Ea Dnew ( C, Ctr ) required in open position Overframe Location Glazed in Location Product (click for more info)
12725 ✔️ ✔️ 43 Dnew ( C-1, Ctr-3 ) ✔️ Neo Top 43 Elevation
14125 ✔️ ✔️ 32 Dnew ( C-1, Ctr-1 ) ✔️ Neo Top Elevation
15270 ✔️ ✔️ 55 Dnew ( C-1, Ctr-5 ) ✔️ Tunal Sus 290/10
16034 ✔️ ✔️ 51 Dnew ( C-1, Ctr-6 ) ✔️ Tunal Sus 250/10
25323 ✔️ ✔️ 48 Dnew ( C-1, Ctr-5 ) ✔️ Tunal Sus 290/15
33721 ✔️ ✔️ 46 Dnew ( C-1, Ctr-5 ) ✔️ Tunal Sus 290/20
25196 ✔️ ✔️ 46 Dnew ( C-2, Ctr-6 ) ✔️ Tunal Sus 250/15
17561 ✔️ ✔️ 46 Dnew ( C-1, Ctr-4 ) ✔️ Tunal Sus 210/10
34103 ✔️ ✔️ 43 Dnew ( C-1, Ctr-5 ) ✔️ Tunal Sus 290/25
33976 ✔️ ✔️ 43 Dnew ( C-1, Ctr-4 ) ✔️ Tunal Sus 250/20
26723 ✔️ ✔️ 43 Dnew ( C-4, Ctr-3 ) ✔️ Tunal Sus 210/15
17433 ✔️ ✔️ 42 Dnew ( C-1, Ctr-3 ) ✔️ Tunal Sus 170/10
36139 ✔️ ✔️ 41 Dnew ( C-1, Ctr-4 ) ✔️ Tunal Sus 250/25
34230 ✔️ ✔️ 40 Dnew ( C-1, Ctr-2 ) ✔️ Tunal Sus 210/20
28759 ✔️ ✔️ 40 Dnew ( C-1, Ctr-3 ) ✔️ Tunal Sus 170/15
36903 ✔️ ✔️ 38 Dnew ( C-1, Ctr-2 ) ✔️ Tunal Sus 210/25
35376 ✔️ ✔️ 37 Dnew ( C0, Ctr-2 ) ✔️ Tunal Sus 170/20
38939 ✔️ ✔️ 35 Dnew ( C-1, Ctr-3 ) ✔️ Tunal Sus 170/25
14888 ✔️ ✔️ 27 Dnew (C0, Ctr-1 ) ✔️ Tunal 65HD
15270 ✔️ ✔️ 26 Dnew ( C0, Ctr-1 ) ✔️ Tunal 80HD