Transcript Posi-Joist™
MiTek Posi-Joist™ Product Overview What is a Posi-Joist™ ? In Essence they are Warren Girders Manufactured from TR26 Grade Truss Timber & Posi-Strut™ Steel Webs Common Questions • What depths do they come in? Posi-Joist™ Depths With 47mm timber on flat, there are 6 sizes of web / joist Posi-Strut™ Overall Depth Gap Depth PS8 202mm 108mm PS9N 225mm 131mm PS10N 254mm 160mm PS12 302mm 208mm PS14N 373mm 279mm PS16N 421mm 327mm However There are also a number of factors to consider here, like span, centres, flange width and loading conditions. Beams may also be on edge Common Questions • What depths do they come in? • How are they made? MiTek Posi-Joist™ Strut Runner Posi Joists can also be made on a normal truss press but there may be problems restraining the top edge of the timber using standard truss clamps Not possible to camber the Posi Joist if made on a Normal truss press Common Questions • What depths do they come in? • How are they made? • What width flanges to they have? Flange Widths • • • • 47mm on edge 72mm - 147mm on flat Maximum 4ply on edge Maximum 2 ply on flat (Up to 294mm) On a standard run of joists you ideally want the flange width to be 72mm or 97mm on flat. Maximum recommended chords on edge are 97mm Common Questions • • • • What depths do they come in? How are they made? What width flanges to they have? How do they compare in price to solid timber and I-Joists? Singly, they may be a little more expensive. However They Give better access for services Span further… and fit quicker RESULT The overall job is cheaper Posi-Joist™ Sales Strategy Selling Points for Posi-Joist™ • Access for services Access for Services Note soil pipe next to the bearing Access for Services Selling Points for Posi-Joist™ • Access for services • Larger spans than cut timber & I-Joist I-Joist Span Tables 241 deep, Series 550 Joist @ Rating 45 Spans 4.3m Posi-Joist™ Spans 254 deep PS10N Spans 5.14m – That’s 0.84m more Posi-Joist™ Spans • Based on 400mm centres and standard loads 72mm 97mm 122mm 147mm PS 8 4880 5210 5480 5695 PS 9N 5100 5430 5685 5900 PS 10N 5520 5880 6160 6400 PS 12 6330 6760 7120 7410 Selling Points for Posi-Joist™ • Access for services • Larger spans than cut timber & I-Joist • Inherently stable – faster assembly, minimal bracing I-Joist Bracing Requirements Posi-Joist™ Bracing Requirements Selling Points for Posi-Joist™ • • • • Access for services Larger spans than cut timber & I-Joist Inherently stable – faster assembly, minimal bracing Light weight Selling Points for Posi-Joist™ • • • • • Access for services Larger spans than cut timber & I-Joist Inherently stable – faster assembly, minimal bracing Light weight Rigid design – easier manual handling than I-Joist Selling Points for Posi-Joist™ • • • • • • Access for services Larger spans than cut timber & I-Joist Inherently stable – faster assembly, minimal bracing Light weight Rigid design – easier manual handling than I-Joist Squeak free – cross grain shrinkage is minimal Selling Points for Posi-Joist™ • • • • • • • Access for services Larger spans than cut timber & I-Joist Inherently stable – faster assembly, minimal bracing Light weight Rigid design – easier manual handling than I-Joist Squeak free – cross grain shrinkage is minimal Versatility Posi-Joist™ Versatility TRIMMABLE ENDS TOP BEARING Posi-Joist™ Versatility Posi-Joist™ Marketing Support Monthly Adverts in Industry Publications • • • • • House Builder Homebuilding and Renovating DABS Specifier Review ABC&D Trend towards Multi-Storey Dwellings Posi-Joist™ Growth Since 1997 1997 1998 1999 2000 2001 2002 2003 Posi-Joists™