Flat Roof Truss Dimensions

Weather you re building a shed roof or adding a dormer to your second story it is important to choose the proper size rafter.

Flat roof truss dimensions. 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. A gambrel room in attic truss also provides extra living space while giving your roof a barn like appearance. This sizing guide for roof rafters will help determine what you need for your small project. Keep in mind that the average size of a roof is 1 700 square feet so your total will likely be 10 higher or lower than this figure.

This calculator is to be used as an estimating tool only. Gable room in attic trusses provide an economical way to add extra living space to your home or garage. The important point to keep in mind when you use your truss calculator is that every truss calculation is completely unique and is based on the size of your roof and its specific dimensions. Rafter stock size calculator.

Cold formed steel trusses are a versatile and cost effective solution for flat roof or floor truss applications. Fully engineered fabricated to exact dimensions. Add to list click to add item 24 spreadweb residential roof truss 5 12 pitch 87 to your list. The truss is a framework consisting of rafters posts and struts which supports your roof.

Compare click to add item 24 spreadweb residential roof truss 5 12 pitch 87 to the compare list. Roof truss span chart. Perfect for use in lieu of bar joist or can be an excellent non combustible option when compared to wood floor trusses. Click the button to calculate the stock size needed for this job.

There are several variables to consider when determining the proper rafter size. If you want to build a flat roof then you will need to build a flat roof truss these are designed to span the space between two load bearing walls and take the weight from the roof onto these walls. The room size will vary depending on the width and slope of the truss. The first step in a free roofing estimate is measuring the roof dimensions.

A flat roof truss is also known simply as a flat truss and is not completely flat but rather slightly sloped in order to allow water to run off of the roof. Click to add item 24 spreadweb residential roof truss 5 12 pitch 87 to the compare list.