The above minimum requirement has been calculated assuming peak rainfall to be less or equal to 100mm hr.
Corrugated roof sheets dimensions.
The extra two inches allows the roofing panel s corrugations or ribs to stretch between outside edges of adjacent rafters and overlap successive sheets of roofing.
You ll often find that corrugated sheets are limited to 4000mm in length.
Buy online now and shop the easy way.
The standard width of corrugated roof sheets is 26 inches which accommodates the common rafter truss and joist spacing of 24 inches.
Skip to contentskip to navigation menu.
Corrugated iron roof sheet 4200 x 0 47mm corrugated iron roof sheeting roofing building materials builders south africa.
Standard lengths for corrugated roofing are 8 10 and 12 feet.
The minimum pitch for corrugate is.
This is as sheets larger than this may become fragile and will be difficult to fit.
The width is measured simply straight across the top of the sheet from.
Our hot dipped galvanized sheets are produced to conform with astm a525.
Galvanized is a term long used to describe steel sheets coated with zinc.
These measures will help in avoiding white rust.
8 after deflection for sheet lengths of 30m.
Email this page download pdf download pdf printable page.
9 after deflection for sheet lengths exceeding 30m but less than 50m.
Ie the cover of a corrugated roof sheet is 760mm or 76 metre.
Always add 0 05 to 0 075 m to the length of the roof slope to be covered with cgi sheets to allow for overlapping at the eaves.
Metal corrugated roofing sheet thickness 0 2 1 0mm.
Place the cgi sheets on a wooden pallet and ensure that there is a slight slope.
Usually associated with the hot dipped process but the zinc coating can also be applied by electroplating.
Basic indications regarding the quantity of cgi sheets per roof.