Standard Spacing Between Roof Trusses

When you go to your local lumberyard to purchase a 2 6 graded as 2 the standard for framing throughout the industry.

Standard spacing between roof trusses.

Girder trusses are designed to carry additional loads other than standard roof loads. Typical standard the typical standard for the spacing on the roof trusses is 24 inches. Once you ve calculated the number of trusses you will need you should purchase the lumber. Almost all residential trusses use this spacing.

The standard roof truss spacing is 2. A 10 8 6 and 4 spacing between trusses has been the standard for most types of construction for years. Most economical when the difference in slope between the top and bottom chords is at least 3 12 or the bottom chord pitch is no more than half the top chord pitch. Putting the trusses into place.

There is a misconception that spacing trusses every 16 on center is better because it will be strong than the average 2. Engineers have since determined however that the physical design of a post frame building will allow for standard spacing as great as 12 feet from the center when using high quality metal connector plates and lumber. This is the distance between trusses. Metal roofs and pole buildings.

Common or standard trusses are symmetrical and have standard four inch heels. As most building these days are using those pre made trusses on the roof 24 inches become the main size for any roofing construction when it comes to its truss installation. This is most likely the standard size that you will find on pre made roof trusses. Flat the most economical flat truss for a roof is provided when the depth of the truss in inches is approximately equal to 7 of the span in inches.

These standards are as follows. Although the standard spacing of roof trusses may be the same as that of rafters with 24 inch spacing being a common option the design of a truss may allow for the use of a lower grade of lumber than would be required for rafters with comparable spacing and span. While this can be true it is not always accurate unless in some high stress situations. A truss with the same pitch and heel on both sides and a peak at the center is called a common truss.

When looking at the decking roof system wooden trusses with osb or plywood usually span no more than 24 inches on center. The prefabricated roof truss designs for your building utilize 2 6 1650msr or stronger lumber for the top and bottom chords. Most are spaced between 18 26 inches apart. For lightgauge metal trusses and metal decking 4 feet centers isn t uncommon.