Roof And Ceiling Construction

It is the roof that provides protection to the inside of the building from the weather and the elements.

Roof and ceiling construction.

The international codes i codes are the widely accepted comprehensive set of model codes used in the us and abroad to help ensure the engineering of safe sustainable affordable and resilient structures. R802 1 1 irc r802 1 identification load bearing dimension lumber for rafters trusses and ceiling joists shall be identified by a grade mark of a lumber grading or inspection agency that has been approved by an. Various types of ceiling are used in building construction. All dwellings need a roof to be safe from the heat cold and rain.

Roof and ceiling construction shall be capable of accommodating all loads imposed in accordance with section r301 and of transmitting the resulting loads to the supporting structural elements. These are secondary ceilings suspended from the structure above typically a floor or roof slab creating a void between the underside of the slab and the top of the suspended ceiling. Roof is the uppermost part of a building. In this post we will cover wood roof framing members specifically ceiling joists.

The table references have changed in the 2018 version of the irc. The design and construction of ceiling joists are found in section r802 4 of the irc. In regular light frame construction and conventional roof framing the ceiling is constructed using an arrangement of timber joists and beams that run across the length and width of the ceiling. Applications aesthetics advantages and disadvantages of these types of ceilings are discussed.

This article will remove all doubts from the minds of the readers pertaining roof and ceiling once and forever. The international code council icc is a non profit organization dedicated to developing model codes and standards used in the design build and compliance process. Other materials such as metal and concrete may also be involved in making a ceiling. Roof and ceiling framing of wood construction shall be designed and constructed in accordance with the provisions of this section.

Domestic roof construction is the framing and roof covering which is found on most detached houses in cold and temperate climates. In areas where expansive or collapsible soils are known to exist. What are ceiling joists and beams. The allowable ceiling joist span tables in the 2018 version are found in section r802 5.