How To Layout A Roof Truss

The second step in building a roof truss is to prepare the materials needed.

How to layout a roof truss.

You can use the links below to navigate throughout the guide. Generally two 2 by 4s per truss. The last space will be slightly under 24 inches. If you re looking for a complete guide for roof trusses then you ve come to the right place.

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. Roof truss design 1 24 span 2 web with plywood gussets figure 1. Make another line 1 inches in from that. The more complex the truss framework is the greater quantity of these joints will be required.

Attach gusset plates at each connection site to fasten the finished truss. To do it correctly a stable design model must be created. Repeat this process on the reverse side of the truss. These steel joints are needed to support the overall truss.

Aside from personal preference the style of the truss must be designed to properly support the roof of the home. When it comes to roof trusses you need to consider everything from design to cost to the pros of using trusses instead of stick framing a roof. A sturdy truss system will help ensure the home s lifespan and safety. Finally the truss calculator will compute the best dimensional method to connect the pieces of the truss with steel joints and a bridge.

The primary disadvantage of roof trusses is that the attic space is not easily usable for storage or potential living space. Measure 24 inches from the inside line of the second truss point and mark another pair of parallel lines 1 inches apart. Then flip it over and press it firmly into place over a joint between two truss beams. Lay pieces of plywood over each joint covering about a foot 30 cm of each truss member s length.

The same thing is true for the bridge of the truss. Continue down the roof measuring 24 inches between inside and outside truss lines and 1 inch spacing. These 2 by 4s will be placed between the trusses at the wall plates where the trusses attach to the top of the walls. Glue the plywood to the joint and then nail it to each member to fully secure it.

As well running an attic air duct system can be very difficult if the roof trusses were not designed for that application. The number of pieces is determined by the number of trusses to hang. Cut several 2 by 4s to 22 5 inches long. Apply a thin layer of construction adhesive to the backside of a plate.