Thickness Standard Size Of Roofing Sheets

Zinc aluminium roofing sheets material.
Thickness standard size of roofing sheets. Due to the customer thickness 0 3mm 0 6mm cover width. The thickness of aluminum roofing sheet in most nigeria market ranges from 0 7mm to 1mm thickness the thicker the roofing sheet the costlier it will be. Sheathing should be a minimum of 19 32 inch thick. The size of shingles varies by manufacturer and material but a typical example measures just over 12 5 inches wide and 39 75 inches long with 12 inches of exposure.
Corrugated roofing with improved technology and manufactured from the highest quality bluescope steel is now the smart choice when considering your roofing or walling requirements. It will support roof. The standard width of corrugated roof sheets is 26 inches which accommodates the common rafter truss and joist spacing of 24 inches. It s the standard for spacing of 24 inches in the rafter although as mentioned a 5 8 inch thick is more ideal.
This is expressed in gauges with a lower number indicating a thicker sheet and a higher number indicating a thinner one. The other important measurement for corrugated roof sheets is thickness. 42 bmt is the standard thickness of our australian made bluescope steel sheets. 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.
Zinc aluminium roofing sheets yx12 65 850. 8d ring shank nails should be used instead. End laps for side sheeting should be at least 100 mm. 850mm length due to the customer peak value 12mm spacing 65mm packing.
A half inch thickness is considered to be standard in a lot of areas and it should work just fine considering that it s deemed okay by the roofing contractor after considering the things above. When ibr roof sheets are end lapped the roof pitch should be considered. Never attach roof sheathing with staples. Color steel sheet color.
The typical thickness range for sheathing is 3 8 to 3 4 inch. What is the steel thickness of these colorbond steel corrugated iron sheets. So bad contractor could quote 1mm thickness during contracts bidding and use 0 8mm thickness without the knowledge of the client. The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that.
It is recommended that end and side laps on low pitch roofs be sealed to ensure water tightness. For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended.