roof sheathing

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• Roof — A roof is the covering on the uppermost part of a building. A roof protects the building and its contents from the effects of weather. Structures that require roofs range from a letter box to a cathedral or stadium, dwellings being the most… …   Wikipedia

• Sheathing — Sheath ing, n. That which sheathes. Specifically: (a) The casing or covering of a ship s bottom and sides; the materials for such covering; as, copper sheathing. (b) (Arch.) The first covering of boards on the outside wall of a frame house or on… …   The Collaborative International Dictionary of English

• sheathing — [shē′thiŋ] n. 1. the act of one that sheathes 2. something that sheathes or encases; casing; specif., a) the inner covering of boards or waterproof material on the roof or outside wall of a frame house b) the protective covering of a ship s… …   English World dictionary

• Roof Deck — The roof deck is the roofing material layer between the primary structural components (trusses joists) and either insulative layers or weatherproofing layers in a typical roof system. Usually the roof deck acts as a unifying structural diaphragm… …   Wikipedia

• sheathing — noun Date: 15th century 1. the action of one that sheathes something 2. material used to sheathe something; especially the first covering of boards or of waterproof material on the outside wall of a frame house or on a timber roof …   New Collegiate Dictionary

• Sheathing —   A construction element used to cover the exterior of wall framing and roof trusses …   Energy terms

• sheathing — A covering, particularly of a wall. 13 Am J2d Bldgs § 13. The covering of a roof, the shingles resting thereon …   Ballentine's law dictionary

• Building insulation materials — A selection of insulation materials can aid in building insulation. All of these are based on standard principles of thermal insulation. Materials used to reduce heat transfer by conduction, radiation or convection are employed in varying… …   Wikipedia

• Radiant barrier — Radiant barriers or reflective barriers work by reducing heat transfer by thermal radiation. All materials give off, or emit, energy by thermal radiation as a result of their temperature. The amount of energy emitted depends on the surface… …   Wikipedia

• Rigid Panels — Rigid panel insulation is made from fibrous materials (fiberglass, rock and slag wool) or from plastic foam. They are sometimes sold in sections designed to fit tightly in standard wall cavities. When sold this way, they are called batts , and… …   Wikipedia

• Diffusion of technology in Canada — This article outlines the history of the diffusion or spread of technology in Canada. Technologies chosen for treatment here include, in rough order, transportation, communication, energy, materials, industry, public works, public services… …   Wikipedia