Span the bigger the span the higher the pitch needs to be.
Roof truss design nz.
The mitek design office is on hand to assist architects builders and fabricators with engineering.
Providing roof trusses to new zealand residents since 2010.
Buildable layouts ltd are registered ps1 providers with councils all across new zealand.
The new zealand wooden roof truss installation companies in our database build to customer specifications and are compliant with all government regulations.
Our manufacturing process makes the most efficient use of timber and ensures minimal timber wastage.
Feature roof trusses adding two or more feature roof trusses thereby creating extra height to the ceiling is a fantastic and cost effective way to add value and character to your build.
See more ideas about roof trusses roof truss design roof.
Every truss is made to meet unique design specifications engineered to support the specific loads placed upon them.
All of our designs are certified by our specialist design software developed specifically for roof truss timber framing design.
The shapes and spans shown here represent only a fraction of the millions of designs processed by alpine engineers.
The companies in our network can handle residential projects schools churches hotels and commercial establishments.
The truss must be specifically designed in accordance with b1 vm1 and manufactured by an accredited fabricator a maximum truss span of 12 m a maximum truss spacing of 900 mm for a heavy roof and 1200 mm for a light roof the load on the ends of the trusses to be no more than 16 kn in both directions up and down.
Lean to roofs dormers and other roof features were not incorporated on the roofs of state or privately built houses although some state houses had dutch gable roofs.
Alpine truss designs are engineered to meet specific span configuration and load conditions.
I design trusses for many roofs around nz that have these characteristics your typical 5 degree longrun roof spanning over the lounge dining rooms.
The fabricator generally designs the trusses using mitek 20 20 and sapphire proprietary truss design software supplied by mitek new zealand ltd.
Total load psf duration factor live load psf roof type 55 1 15 40 snow shingle 55 1 15 30 snow tile 47 1 15 30 snow shingle 40 1 15 20.
Pitch the higher the pitch the taller higher the truss is and the stronger it is.
Apr 25 2019 explore robert heimbigner s board roof truss design followed by 984 people on pinterest.
