B on center inches between trusses c width of bottom cord in feet.
20 foot span 16 foot roof truss design.
Roof truss design 1 24 span 2 web with plywood gussets figure 1 figure 1 roof truss 24 span 2 web with plywood gussets detailed information for a 2 web roof truss with a 24 span with plywood gussets.
The truss calculator will determine your roof trusses based on key inputs related to the pitch span and overhang of your roof.
Shop our wide selection of stock and custom roof trusses to complete your building project.
Truss capacity is listed by pounds per square foot based on the following load rating criteria.
Alpine truss designs are engineered to meet specific span configuration and load conditions.
Usually 16 on center bridge type height and board size.
Connector plates are generally 16 gauge to 20 gauge depending on truss design requirements.
Just enter the dimensions of the roof rise and run to get started.
Custom trusses up to 100 span.
Top chord live load snow and other temporary loads top chord dead load roofing materials weight of the truss itself other permanent items attached to the roof bottom chord live load storage and bottom chord dead load insulation ceiling.
Total load psf duration factor live load psf roof type 55 1 15 40 snow shingle 55 1 15 30 snow tile 47 30 snow 40 20 snow 1 25 20.
First off the 16 ft roof truss design is an extremely basic direct and utilitarian design every single current trademark.
Live load l 480 total load l 360.
16 foot 7 18 foot 7 20 foot 10 22 foot 6 24 foot 15 26 foot 12 28 foot 11 30 foot 12 32.
Floor truss span chart each individual floor truss design is unique based on multiple variables.
12 26 25 22 20 21 18 18 16 17 16 14 13.
Geometry loading spacing bearing.
Spans shown are in feet 4.
Overview building design truss design retaining wall design tall wall design requests.
Over 51 sizes styles in stock.
The shapes and spans shown here represent only a fraction of the millions of designs produced by alpine engineers.
A roof length in feet.
If you re building rafters and aren t sure where to start when determining the length of your lumber you re in the right place our rafter stock size calculator shows you how long your rafters should be so you ll know what you need in terms of framing lumber dimensional lumber studs and more.
As well running an attic air duct system can be very difficult if the roof trusses were not designed for that application.
Shop roof trusses spacer floor truss.
Roof truss calculator.
Main features 16 ft roof truss design.