Roofing Material On Roof Joist

Heavy duty timber and deck joist screw replaces traditional coach screws or coach bolts.

Roofing material on roof joist.

They are nominally 2 inches thick actual width usually 1 1 2 inches and come in a variety of widths from 8 to 12 inches. That will suffice on a roof with rafters set 16 inches apart with minimal roof loads. Joists are traditionally made from timber. A roofing joist is a horizontal member that runs across an open space.

They can be concealed or exposed and there will be more joists than beams. However in canada the most common material used in residential framing is wood so that is the material we will discuss here. Most roofs will be sheathed in plywood at least 3 8 inch thick. Loads will vary with the pitch of the roof.

Just because one material may be stronger than another doesn t mean the spacing changes. The roofing material is primarily designed to shed water. Roof joists can be made of wood metal concrete or any number of materials. Depending on the construction they may lie flat or be pitched.

The manufacturing processes allow for a variety of appearance options including the traditional metal roof style and roofing made to look like shingles shakes and tiles. This structural support comes in the form of roofing joists ceiling joists rafters or trusses and can be made from a variety of materials including wood metal reinforced concrete etc. Countersunk pozi torx joist screws for insulation fixing high performance countersunk pozi torx screws for fixing insulation to joists roof decking roofing boards and roofing batten. Joists attach to beams lying parallel to each other and being aligned horizontally.

Joists are the parallel horizontal beams that run across an open space joining opposite walls in a building to support both the ceiling below and the floor above. A roof joist can be made from wood metal concrete and a variety of other materials as long as the material is strong and very sturdy. Copper metal roofs are a beautiful but costly specialty. You could use fewer joists with concrete but maintain the standard regardless of the material being used.

The primary roof covering on houses in north america are asphalt shingles but some have other types of roof shingles or metal roofs. Roof joists generally join opposing walls and support the ceiling below and or the floor above. The covering is also a major element of the architecture so roofing materials come in a wide variety of colors and textures.