Duct Support CalculatorPlease enable JavaScript in your browser to complete this form.Please enable JavaScript in your browser to complete this form. - Step 1 of 2Down Roof duct run in meters *Across Roof duct run in metres *Duct Size [mm] - Choose closest option. *Select800x8001250x12501800x1800Purlin centres [mm] *Select12001500180021002500Cert. Required? *SelectYesNoAdd Additional Across supports [ea] *Add Additional Down supports [ea] *Max Height off roof to underside of duct [mm] *Select900125018002000Terrain Category *Select1234Roof Height from Ground [m] *Location *SelectACTNSWNTQLDSAVICWAMounting Type *SelectRoof Mounted (Top Fix)Roof Mounted H/D (Top Fix)Ground Mounted (Concrete)Ground Mounted (Timber)Wind Region *SelectA0-5B1-2CDMax. Support Spacings [mm]: ... Calculated Qty of Across Roof Supports: ... Active Wind Zone Used: ... Calculated Qty of Down Roof Supports: ... Total Qty of supports to be supplied: ... Upright Cut Length [mm]: ... Order Code Order Description Quantity Freight Volume (Cubic Metres) The inputs are outside of the duct support engineering parameters. Please fill in the contact form for a Monkeytoe custom solution. NextOrganisation NamePhone *Name *FirstLastEmail *Newsletter SignupYes, I'd like to receive news and insights from Monkeytoe.Orders Visual Text PreviousRequest a Quote