Tongue And Groove Roof Decking Detail

Rafters it shouldn t be an issue.

Tongue and groove roof decking detail.

There are three types of wood roof decks. This is usually 2 6 with a tongue formed on one edge of the board that fits snugly into the groove in the board adjacent to it. Structural tongue and groove wood decking is the perfect complement for a timber structure. Some use clips as convenient spacers.

This tongue and groove decking combines appearance grade with unsurpassed quality of finish making them ideal for exposed ceiling applications. Say what you want about them but osb and plywood do not offer a very attractive finished look. Tongue and groove roof decking especially the one from solid wood boards is one of the two most common choices for residential use right now. Tongue and groove decking provides the customer with an outstanding solution for roof and subfloor structure where exposed to the lower level.

Tongue groove structural decking structural decking also known as roof decking should not be confused with lumber intended for residential and non residential outdoor decks. Sws decking is manufactured using kiln dried 15 maximum moisture content 2 x 6 nominal southern pine lumber. Also available are solid and laminated versions of many decking species. It is to be laid with pattern faces down and exposed on the underside.

When random lengths are furnished each piece must be. It is machined with a single tongue and groove a v joint face and is end matchedallowing the use of random lengthpieces. What is tongue and groove decking. Plywood or osb sheathing.

Tongue and groove wood decking shall be installed with tongues up on sloped or pitched roofs and outward in direction of laying on flat roofs. The main reason to use tongue and groove boards these days is appearance from beneath the roof. Standard structural decking patterns are 2 nominal tongued and grooved t g and 3 and 4 double t g products available with vee or eased edges to meet discriminating architectural requirements. Tongue and groove porch flooring is another beautiful screw free decking material option for areas that are fully covered by a roof.

Each piece shall be square end trimmed. Decking is available in a variety of species thicknesses and lengths. Tongue and groove boards were used for decades prior to the widespread adoption of plywood as a sheathing material in the 1950s and 1960s. In my experience the need for tongue and groove or edge clips is determined by the thickness of the roof sheathing and the spacing of the rafters.

A sample of solid 1 grade 2 x 6 edge vee one side ev1s douglas fir decking. For 5 8 or thicker roof sheathing on 16 o c. Because tongue and groove porch flooring has no gaps between the deck boards it is imperative that the deck be pitched away from the house or structure to drain any standing water off the deck surface.