Types Of Metal Roof Decking

It also comes in different gauges and finishes.

Types of metal roof decking. They are called exposed because the fastener head remains visible once installed. Western metal deck stocks metal decking in a galvanized finish which is a zinc coating. Generally sheet roofing systems should be examined closely before being selected for residential projects looking for a lifetime roof. Type a roof deck is a 1 1 2 deep narrow rib structural metal roof deck section that provides a wide support surface for various types of roofing materials and thinner rigid insulation.

Steel decking is used in many applications but is particularly well suited to roofing and flooring. Vulcraft manufactures many different types of deck including roof deck floor deck composite floor deck and cellular deck. Instead type a steel roof decks are often used in repair and re roof projects. 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.

Also known as narrow rib this structural metal roof deck provides a wide support surface for various types of rigid insulation and roofing materials. Galvanized g 60 which means the decking is covered with 3 10 of an ounce of zinc per square foot on the topside and 3 10 of an ounce on the bottom side. Metal roof deck comes in depths from 1 deep type b to 3 deep type n. Here are 10 options we love.

Type a steel roof deck is rarely used for new construction projects. While the amount of options can be overwhelming choosing the right type gauge and finish comes down to what your project s conditions are. A full line of deck accessories such as end closure and pour stop is also available from vulcraft. This type of steel roof deck has a 6 pitch and is available in a 22 20 or 18 gauge.

Roof deck products act alone in transferring horizontal and vertical loads into the building frame and do not work compositely with other building. A metal deck roof will add shade and make your deck or patio space more comfortable during the hot summer months. The most economical form of metal roofing exposed fastener roofing consists of overlapping panels that are fastened directly to the roof deck or framing through the face of the metal. Flexural strength can be assumed to be 33ksi unless a new single ply system is contemplated that requires a higher pull out strength.

This saves even more money on the overall system. Of the galvanized finishes there are 2 types. Compared to other types of steel roof deck type a has the lowest strength to weight ratio.