> Roofing DIY > DIY Roof Truss Construction The following
instructions assume you already know the dimensions and design
of the roof trusses you intend to build. If you do not, or need
specially designed roof trusses (and not manufactured ones)
contact a Roof 101 professional for assistance. - Measure and
cut the material needed for a single truss. Once cut, fit all
the pieces together to see that the dimensions are true and all
pieces butt tight. Once done, use these pieces as patterns for
the marking and cutting of all other roof trusses required.
*Note: it is crucial that the highest quality timber is used for
top chords and outer segment of the bottom chords of the roof
trusses, as these are the areas that experience the most stress
in weight. - Cut out the plywood gussets according to the truss
plan provided. It will indicate the nail numbers and spacing
required for the front and back nailing patterns. Ensure that
the front and back nails do not come together, as this may cause
splitting. - Use the patt