Tech Today

Steep-slope deck materials

Because a properly designed, constructed and sound roof deck is an important element of overall roof system performance, NRCA provides specific roof deck guidelines for steep-slope roof systems. Some of NRCA's recommendations go beyond code-mandated minimum requirements and what sometimes is encountered in the field. As a result, you should be aware of these differences in approach.

Wood planks and boards

For wood plank and wood board roof decks, the terms "plank" and "board" are differentiated by thickness and width.

Wood planks range in thickness from about 2 inches to 5 inches and typically are installed with their wider dimensions in the plane of a roof deck. Individual planks may have square, single or double tongue-and-groove, ship-lapped edges.

Log in or register for FREE access to this article and other Professional Roofing online content.

Not a user?

Register now for free access
  • Full access to every article
  • Online Web exclusive information
  • Photo gallery
  • Breaking news
  • Online classified ads

Already a user?

User name:



Forgot Your Password?