Tongue And Groove Plywood Roof Decking

Tongue and groove boards were used for decades prior to the widespread adoption of plywood as a sheathing material in the 1950s and 1960s.

Tongue and groove plywood roof decking. Useful in an old fashioned country cottage or cabin decor. Nominal three and four inch decking is especially well adapted for use with glued laminated arches and girders and is easily and quickly erected. 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 decking also known as roof decking should not be confused with lumber intended for residential and non residential outdoor decks.

Product may vary by store. Say what you want about them but osb and plywood do not offer a very attractive finished look. It is a challenge to replace this type as it is not readily available at most lumber yards. Rafters it shouldn t be an issue.

Osb is a material with high mechanical properties that make it particularly suitable for load bearing applications in construction. 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. The other one is plywood. Easy to paint and stain for attaining a suitable finish.

For 5 8 or thicker roof sheathing on 16 o c. 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. Timber tongue and groove decking is a specialty lum ber product constituting an important part of modern timber construction that can be used for many applica tions to provide an all wood appearance. Some use clips as convenient spacers.

The main reason to use tongue and groove boards these days is appearance from beneath the roof. If right now you are thinking about which deck choice to add to your new roof design or to replace the old or damaged one you are in the right place. Tongue and grooved edges eliminate blocking provide proper spacing and simplify installation. I ve heard in the past that placing structural i plywood or osb over the top of the decking can provide the necessary diaphragm action.

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. What is tongue and groove decking. Tongue and groove decking provides the customer with an outstanding solution for roof and subfloor structure where exposed to the lower level.