How To Lay Out Roof Trusses

If you can tell us the size of your structure and the truss spacing distance between trusses then we can tell you how many trusses you will need.

How to lay out roof trusses.

All of our roof truss quotes start with a layout. Take two rafters and connect the peak at the plumbed corner you created. Measure 23. How to lay out trusses step 1.

As well running an attic air duct system can be very difficult if the roof trusses were not designed for that application. You can certainly figure out the number of trusses on your own if you wish but we still ask for a building layout so we can see how much area the. The roof rafters provide integral structural support to the roof. Set two trusses beginning at one end of the wall.

Set the first truss aligning with the outside edge of the. Once in place the workers nail the truss to the wall. If you re framing a gable roof on a new house or building a shed or even a doghouse with a gable roof you ll need to cut a number of roof rafters. These will include wood a hammer a saw roof truss.

The number of pieces is determined by the number of trusses to hang. Use a ladder tape measure speed square and pencil or marker to lay out the truss spacing on the wall caps. Cut several 2 by 4s to 22 5 inches long. The very first step for building roof trusses is to prepare a design layout that can be sketched by a professional architect or can also be done by using a software that is specifically meant to design a roof truss.

Do this by nailing the triangular gusses to the rafters. The best way to assemble the trusses is to lay each rafter and bottom chord on the ground in the desired shape. Workers manually move the first truss to the end of the roof and stand it up positioning it on the corresponding number on the wall plate. Before you cut your boards you ll need to measure the width of your building and calculate the exact length of each rafter.

Typical roof truss layout spacing. This should allow the rafter pieces to fit together snuggly and create a solid support structure. The second step in building a roof truss is to prepare the materials needed. Standard truss boards are spaced 24 inches apart from one end of the roof to the other.