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Structural Mezzanine Deck Options
Deck Options Information and Commentary
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Roof deck is the most common type of decking. Also known as B-Deck or corrugated steel, it can be finished with a variety of surfaces, from plywood to floor plate to concrete.
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Type |
Description |
Comments |
| Roof Deck | 20 gauge painted steel roof deck (AKA B-Deck, Corrugated Steel) | 20 gauge painted steel roof deck is almost always accompanied by another flooring surface. |
| Roof Deck & Plywood | 20 gauge painted steel roof deck* with 3/4" plywood. | Most economical system. Satisfactory for most mezzanine floor usage. Can be painted or coated with urethane. |
| Roof Deck & Specialty Wood | 20 gauge painted steel roof deck* with specialty wood (straight edge or tongue & groove). | Recommended for heavier traffic usage and in-plant offices. Can be painted or coated with urethane. |
| Roof Deck & Diamond Floor Plate | 20 gauge painted steel roof deck* with 12 gauge unpainted floor plate. (Note: Galvanized floorplate over roof deck is an option.) | Recommended where local loads could be abusive or where non-combustibility is required. 18 gauge galvanized roof decks should be considered with floor plate. |
| Roof Deck & Specialty Panel | 20 gauge painted steel roof deck* with specialty panel. | Use where non-skid or harder surface properties are required. |
| Roof Deck & Concrete | 20 gauge painted steel roof deck* with light-weight concrete. | For fire ratings and/or chemical applications. NOTE: Mezzanine is no longer demountable with this deck. |
| Bar Grating | 1" x 1/8" painted steel bar grating (NAAMM). | Open design for ventilation and/or fire regulation. If assembly processes with small parts are present, this decking isn't recommended since parts could fall through. |
| Specialty Grating | Many fiberglass or plastic gratings available for specialized applications. | Use where chemical or non-conductivity properties are required. |
Mezzanine Roof Deck
20 gauge painted steel roof deck is almost always accompanied by another flooring surface. That can include Plywood, metal plate, specialty, or other surfaces.
Roof Deck & Plywood Top
20 gauge painted steel roof deck with 3/4" plywood. Most economical system. Satisfactory for most mezzanine floor usage. Can be painted or coated with urethane. With specialty wood (straight edge or tongue & groove), you can change the style of your flooring (Recommended for heavier traffic usage and in-plant offices. Can be painted or coated with urethane.)
Roof Deck & Steel Plate
20 gauge painted steel roof deck with 12 gauge unpainted floor plate. (Note: Galvanized floorplate over roof deck is an option.) Recommended where local loads could be abusive or where non-combustibility is required. 18 gauge galvanized roof decks should be considered with floor plate.
Bar Grate Deck
1" x 1/8" painted steel bar grating (NAAMM). Open design for ventilation and/or fire regulation. If assembly processes with small parts are present, this decking isn't recommended since parts could fall through.
