Roofing Material On Roof Joist

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Roofing material on roof joist.

The roofing material is primarily designed to shed water. Joists attach to beams lying parallel to each other and being aligned horizontally. Roof joists generally join opposing walls and support the ceiling below and or the floor above. The most common metals used are aluminum lightweight steel and zinc.

They can be concealed or exposed and there will be more joists than beams. Loads will vary with the pitch of the roof. 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. Heavy duty timber and deck joist screw replaces traditional coach screws or coach bolts.

However in canada the most common material used in residential framing is wood so that is the material we will discuss here. Depending on the construction they may lie flat or be pitched. 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. Most roofs will be sheathed in plywood at least 3 8 inch thick.

The primary roof covering on houses in north america are asphalt shingles but some have other types of roof shingles or metal roofs. 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. Just because one material may be stronger than another doesn t mean the spacing changes.

A roofing joist is a horizontal member that runs across an open space. Joists are traditionally made from timber. 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. Roof joists can be made of wood metal concrete or any number of materials.

You could use fewer joists with concrete but maintain the standard regardless of the material being used. The covering is also a major element of the architecture so roofing materials come in a wide variety of colors and textures. That will suffice on a roof with rafters set 16 inches apart with minimal roof loads.