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 2Total duct run in metres *Duct Size [mm] - Choose closest option. *Select800x8001250x12501800x1800Max Height off roof to underside of duct [mm] *Select900125018002000Purlin centres [mm] *Select12001500180021002500Wind zone *SelectLowMediumHighVery HighMounting Type *SelectRoof Mounted (Top Fix)Ground Mounted (Concrete)Ground Mounted (Timber)PS1 Required? *SelectYesNoLocation *SelectNorth IslandSouth IslandAdd Additional supports [ea]Max. Support Spacings [mm]: Upright Cut Length [mm]: Qty of Supports: Total Qty of supports to be supplied: Order Code Order Description Quantity Freight Volume (Cubic Metres) NextOrganisation NameName *FirstLastPhoneEmail *Newsletter SignupYes, I'd like to receive news and insights from Monkeytoe.Orders Visual Text PreviousRequest a Quote