Spiro Duct with Insulation

Categories Round Duct, Spiral Duct

Our Spiral round Duct is manufactured with CE certified machinery according to AS4254 requirements ensuring minimal duct leakage and energy efficient fan operation. Hard Spiral Ducts are manufactured using 0.6mm, 0.8mm, 1.0mm and 1.2mm galvanised grade G250 sheet metal with Z275 coating class, polyester insulation and covered with aluminium foil.

Spiral round duct dimensions

Imperial Size Inches	Metric Size mm	Wall Thickness mm
6	152	0.6
8	203	0.6
10	254	0.6
12	305	0.6
14	356	0.6
15	381	0.6 or 0.8
16	406	0.6 or 0.8
18	457	0.6 or 0.8
20	508	0.6 or 0.8
22	559	0.6 or 0.8
24	610	0.8
26	660	0.8
28	711	0.8
30	762	0.8
32	813	0.8
34	864	0.8
36	914	0.8
38	965	1.0
40	1016	1.0
42	1067	1.0
44	1118	1.0
48	1219	1.0
50	1270	1.2
52	1321	1.2
54	1372	1.2
56	1422	1.2
58	1473	1.2
60	1524	1.2
62	1575	1.2
64	1626	1.2