Steel Roof Decking Thickness

Minimum 0145 aluminum shingles.

Steel roof decking thickness.

8d ring shank nails should be used instead. Minimum 024 steel standing seam. Thickness of a steel roof deck can be determined at a roof hatch where the edge of the deck may be available for measurement with a micrometer. Exposed fastener corrugated steel roofing.

Flexural strength can be assumed to be 33ksi unless a new single ply system is contemplated that requires a higher pull out strength. 2 2 lb ft galvanized 2 1 lb ft painted type b roof deck 18. Each gauge represents a nominal decimal range. It s important for you as a homeowner to know about the gauge thickness of a metal roof so you can select the best one for yourself.

22 gauge is the thickest while 29 gauge is the thinnest. Kynar aluminum for metal roofing. Kynar galvalume steel for metal roofing and gutters. 0 7 mm 0 8mm and 1 5 mm.

Minimum 032 steel shingles. Minimum 024 aluminum standing seam. Roofs with very heavy loads may require 3 4 inch thickness. Never attach roof sheathing with staples.

Sheathing should be a minimum of 19 32 inch thick. Manufacturers in the united states use gauge to express the thickness of metal roof panels. Type b roof deck 22. 014 018 exposed fastener corrugated aluminum roofing.

Manufacturers express the thickness of metal panels as their gauge with 22 gauge being the thickest and 29 gauge the thinnest of traditionally sold metal roof and wall panels. The typical thickness range for sheathing is 3 8 to 3 4 inch. Regardless of thickness the plywood should be a type suitable for exterior use graded exterior or exposure 1. 0 027 or 0 032 for seamless gutters and any other thickness for custom gutters.

Minimum 0185 steel tile.