Steel Roof Decking Thickness

Minimum 0185 steel tile.

Steel roof decking thickness.

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. 26 gauge 24 gauge 20 gauge 18 gauge 16 gauge 14 gauge 1 8 and 1 4. Sheathing should be a minimum of 19 32 inch thick.

Minimum 032 steel shingles. Kynar aluminum for metal roofing. Minimum 024 aluminum 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.

Minimum 024 steel standing seam. 0 027 or 0 032 for seamless gutters and any other thickness for custom gutters. 2 2 lb ft galvanized 2 1 lb ft painted type b roof deck 18. Metal roofing thickness recommendations that include paint.

Type b roof deck 22. Never attach roof sheathing with staples. 1 8 lb ft galvanized 1 7 lb ft painted type b roof deck 20. 014 018 exposed fastener corrugated aluminum roofing.

Roofs with very heavy loads may require 3 4 inch thickness. 0 7 mm 0 8mm and 1 5 mm. 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. 22 gauge is the thickest while 29 gauge is the thinnest.

Each gauge represents a nominal decimal range. 8d ring shank nails should be used instead. Regardless of thickness the plywood should be a type suitable for exterior use graded exterior or exposure 1. 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.

Minimum 0145 aluminum shingles.