Type B Metal Deck FAQs

Answers to common questions about Type B metal deck pricing, gauges, coatings, spans, and Florida compliance.

What is the standard depth of Type B metal deck?

1.5 inches. Type B deck has a 1.5" rib depth and 36" coverage width the most common commercial roof deck profile.

What gauges are available for Type B deck in Florida?

Gauges 16, 18, 20, and 22. Heavier gauges support longer spans; lighter gauges reduce cost on shorter spans.

What coatings protect Type B deck in coastal Florida?

G60 and G90 galvanized coatings are standard. G90 is recommended for coastal and high-humidity environments for superior corrosion resistance.

What is the maximum span for 1.5" Type B deck?

Under a 200 lb construction load, our catalog lists maximum single spans from 8'-3" (22 ga) to 19'-3" (16 ga), and double or triple spans from 10'-2" to 23'-8". Design spans depend on your roof loads and come from the engineer of record using the full load tables per ANSI/SDI RD-2017 and SD-2022.

What Florida building codes apply to Type B deck?

Type B deck must comply with ANSI/SDI RD-2017, ASTM A653, and local Florida Building Code requirements including wind uplift and fire rating provisions.

Do you provide custom lengths?

Yes. We cut Type B deck from 6 to 40 feet and provide shop drawings, takeoff services, and optimized cutting lists.

What are the common applications for Type B deck in Florida?

Commercial buildings, industrial facilities, educational institutions, healthcare facilities, parking garages, mezzanines, and re-roofing projects.

Is Type B deck available with G90 coating for Miami's coastal climate?

Yes. G90 galvanized coating provides enhanced corrosion protection and is recommended for all coastal Florida applications.

Browse All Type B FAQ Topics

We've answered 80+ questions covering pricing, gauges, spans, coatings, compliance, and applications.

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