Installing Trusses Over Flat Roof

Or if you want to raise the roof a bit more install fascia around the roof perimeter attached to the new soffit and nail the new roof deck to crown molding above the fascia.

Installing trusses over flat roof.

A professional roofer will use exact measurements from the home s construction along with framing and truss dimensions to calculate the type of roof over will work best. How to install trusses on a roof. If you want to build a flat roof then you will need to build a flat roof truss. Homes with flat roofs of bowstring trusses pose a problem because they are not strong enough to withstand the weight of a new roof.

Installing a new roof over an existing one also called a layover or nailover is often possible although not always the best option a properly installed layover roof can look and function as well. These are designed to span the space between two load bearing walls and take the weight from the roof onto these walls. Installing the new roof to provide a framework for the new trusses nail 2 by 6 inch strips of wood around the perimeter of the roof. Once in place the workers nail the truss to the wall.

After constructing your trusses now you have to get them safely to the top portion for installation. Toe nail them with the top plate so that they stay secured from falling again and try to brace them using a proper blocking arrangement. Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube. This four foot truss spacing allows for 2 4 roof purlins to be placed flat on top of the trusses.