Posi Strut Roof Span Tables

The heart of the posi strut truss is the gang nail.

Posi strut roof span tables.

Posi strut system is a light economical method of providing large clear spans in rafter purlin and floor joist situations. Posi strut metal web system. Posi rafters posi rafters combine the lightness of timber and strength of posi strut steel webs to provide a quality roof system that can span further than alternative timber products. Minimum joint group jd5.

All roof loads to be supported by external wall only. Posi strut ingenious design allow shallower depth floors which contributes to the overall building savings. This gives you unequalled design freedom across a wide range of applications for both floor and roof in. Presses mitek offers a range of presses for roof truss and posi joist manufacture.

Drilling through solid timber beams isn t the ideal scenario. When selecting a posistrut for your application consideration should be given to the springiness of the floor. Frames and supports can be spaced further apart to facilitate open spaces below. Easy access for services on site also means the structural integrity of your design can t be compromised.

Posi joists posi joist combines the lightness of timber with the strength of the posi strut steel web to produce a floor and roof system allowing you to span far greater distances than would be possible with alternative timber products. V shaped metal web member has complete interchangeability with 2 x 10 and 2 x 12 joists. They can even be curved to create a dynamic roof line effect. Check out the benefits of roof trusses and find a licensed mitek fabricator.

Increase performance with clear span flexibility building design freedom and easy access for plumbing and electrical installations. Posi strut engineered floor system offers the ultimate in design flexibility. With longer clear spans than conventional lumber architects and engineers can now enjoy clear span flexibility and building design freedom. Posistruts have been designed so that the maximum span recommended in tables 1 to 8 conforms to the vibration standard set out in as1684 1 residential timber framed construction part 1 design criteria.

Posi joists mitek manufactures the steel webs used in posi joists. Mitek s posistruts are the perfect engineered solution and can even be trimmed to length on site. Posi rafters posi rafters combine the lightness of timber and strength of posi strut steel webs to provide a quality roof system that can span further than alternative timber products. Earthquake loads the posistrut sizes bracing and connection.

The posistrut span chart in the tables are not designed to support load bearing walls.