Open Web Joists. Product Overview What is an Open Web Joist? In Essence they are Warren Girders...
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Transcript of Open Web Joists. Product Overview What is an Open Web Joist? In Essence they are Warren Girders...
![Page 1: Open Web Joists. Product Overview What is an Open Web Joist? In Essence they are Warren Girders Manufactured from TR26 Grade Truss Timber & Steel Webs.](https://reader036.fdocuments.in/reader036/viewer/2022062803/56649cb05503460f9497574b/html5/thumbnails/1.jpg)
Open Web JoistsOpen Web Joists
![Page 2: Open Web Joists. Product Overview What is an Open Web Joist? In Essence they are Warren Girders Manufactured from TR26 Grade Truss Timber & Steel Webs.](https://reader036.fdocuments.in/reader036/viewer/2022062803/56649cb05503460f9497574b/html5/thumbnails/2.jpg)
Open Web JoistsOpen Web Joists
Product Overview
![Page 3: Open Web Joists. Product Overview What is an Open Web Joist? In Essence they are Warren Girders Manufactured from TR26 Grade Truss Timber & Steel Webs.](https://reader036.fdocuments.in/reader036/viewer/2022062803/56649cb05503460f9497574b/html5/thumbnails/3.jpg)
What is an Open Web Joist?What is an Open Web Joist?
In Essence they are Warren GirdersManufactured from
TR26 Grade Truss Timber &
Steel Webs
![Page 4: Open Web Joists. Product Overview What is an Open Web Joist? In Essence they are Warren Girders Manufactured from TR26 Grade Truss Timber & Steel Webs.](https://reader036.fdocuments.in/reader036/viewer/2022062803/56649cb05503460f9497574b/html5/thumbnails/4.jpg)
Common QuestionsCommon Questions
• What depths do they come in?
![Page 5: Open Web Joists. Product Overview What is an Open Web Joist? In Essence they are Warren Girders Manufactured from TR26 Grade Truss Timber & Steel Webs.](https://reader036.fdocuments.in/reader036/viewer/2022062803/56649cb05503460f9497574b/html5/thumbnails/5.jpg)
DepthsDepths
Strut Size Overall Depth
Gap Depth
PS8 202mm 108mm
PS9N 225mm 131mm
PS10N 254mm 160mm
PS12 302mm 208mm
PS14N 373mm 279mm
PS16N 421mm 327mm
HoweverHoweverThere are also a number of factors to consider here, like
span, centres, flange width and loading conditions. Beams may also be on edge
With 47mm timber on flat, there are 6 sizes of web / joist
![Page 6: Open Web Joists. Product Overview What is an Open Web Joist? In Essence they are Warren Girders Manufactured from TR26 Grade Truss Timber & Steel Webs.](https://reader036.fdocuments.in/reader036/viewer/2022062803/56649cb05503460f9497574b/html5/thumbnails/6.jpg)
Common QuestionsCommon Questions
• What depths do they come in?• How are they made?
![Page 7: Open Web Joists. Product Overview What is an Open Web Joist? In Essence they are Warren Girders Manufactured from TR26 Grade Truss Timber & Steel Webs.](https://reader036.fdocuments.in/reader036/viewer/2022062803/56649cb05503460f9497574b/html5/thumbnails/7.jpg)
Strut RunnerStrut Runner
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
![Page 8: Open Web Joists. Product Overview What is an Open Web Joist? In Essence they are Warren Girders Manufactured from TR26 Grade Truss Timber & Steel Webs.](https://reader036.fdocuments.in/reader036/viewer/2022062803/56649cb05503460f9497574b/html5/thumbnails/8.jpg)
Common QuestionsCommon Questions
• What depths do they come in?• How are they made?• What width flanges to they have?
![Page 9: Open Web Joists. Product Overview What is an Open Web Joist? In Essence they are Warren Girders Manufactured from TR26 Grade Truss Timber & Steel Webs.](https://reader036.fdocuments.in/reader036/viewer/2022062803/56649cb05503460f9497574b/html5/thumbnails/9.jpg)
Flange WidthsFlange 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
![Page 10: Open Web Joists. Product Overview What is an Open Web Joist? In Essence they are Warren Girders Manufactured from TR26 Grade Truss Timber & Steel Webs.](https://reader036.fdocuments.in/reader036/viewer/2022062803/56649cb05503460f9497574b/html5/thumbnails/10.jpg)
Common QuestionsCommon 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.
HoweveHoweverrand fit
quickerSpan further…
They Give better access for services
RESULTThe overall job is
cheaper
![Page 11: Open Web Joists. Product Overview What is an Open Web Joist? In Essence they are Warren Girders Manufactured from TR26 Grade Truss Timber & Steel Webs.](https://reader036.fdocuments.in/reader036/viewer/2022062803/56649cb05503460f9497574b/html5/thumbnails/11.jpg)
Benefits of Open Web JoistBenefits of Open Web Joist
• Access for services
![Page 12: Open Web Joists. Product Overview What is an Open Web Joist? In Essence they are Warren Girders Manufactured from TR26 Grade Truss Timber & Steel Webs.](https://reader036.fdocuments.in/reader036/viewer/2022062803/56649cb05503460f9497574b/html5/thumbnails/12.jpg)
Access for ServicesAccess for Services
Note soil pipe next
to the bearing
![Page 13: Open Web Joists. Product Overview What is an Open Web Joist? In Essence they are Warren Girders Manufactured from TR26 Grade Truss Timber & Steel Webs.](https://reader036.fdocuments.in/reader036/viewer/2022062803/56649cb05503460f9497574b/html5/thumbnails/13.jpg)
Access for ServicesAccess for Services
![Page 14: Open Web Joists. Product Overview What is an Open Web Joist? In Essence they are Warren Girders Manufactured from TR26 Grade Truss Timber & Steel Webs.](https://reader036.fdocuments.in/reader036/viewer/2022062803/56649cb05503460f9497574b/html5/thumbnails/14.jpg)
Benefits of Open Web JoistBenefits of Open Web Joist
• Access for services• Larger spans than cut timber & I-
Joist
![Page 15: Open Web Joists. Product Overview What is an Open Web Joist? In Essence they are Warren Girders Manufactured from TR26 Grade Truss Timber & Steel Webs.](https://reader036.fdocuments.in/reader036/viewer/2022062803/56649cb05503460f9497574b/html5/thumbnails/15.jpg)
I-Joist Span TablesI-Joist Span Tables
241 deep, Series 550 Joist @ Rating 45 Spans 4.3m
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Open Web Joist SpansOpen Web Joist Spans
254 deep PS10N Spans 5.14m – That’s 0.84m more
![Page 17: Open Web Joists. Product Overview What is an Open Web Joist? In Essence they are Warren Girders Manufactured from TR26 Grade Truss Timber & Steel Webs.](https://reader036.fdocuments.in/reader036/viewer/2022062803/56649cb05503460f9497574b/html5/thumbnails/17.jpg)
Open Web Joist SpansOpen Web 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
![Page 18: Open Web Joists. Product Overview What is an Open Web Joist? In Essence they are Warren Girders Manufactured from TR26 Grade Truss Timber & Steel Webs.](https://reader036.fdocuments.in/reader036/viewer/2022062803/56649cb05503460f9497574b/html5/thumbnails/18.jpg)
Benefits of Open Web JoistBenefits of Open Web Joist
• Access for services• Larger spans than cut timber & I-
Joist• Inherently stable – faster assembly, minimal
bracing
![Page 19: Open Web Joists. Product Overview What is an Open Web Joist? In Essence they are Warren Girders Manufactured from TR26 Grade Truss Timber & Steel Webs.](https://reader036.fdocuments.in/reader036/viewer/2022062803/56649cb05503460f9497574b/html5/thumbnails/19.jpg)
I-Joist Bracing RequirementsI-Joist Bracing Requirements
![Page 20: Open Web Joists. Product Overview What is an Open Web Joist? In Essence they are Warren Girders Manufactured from TR26 Grade Truss Timber & Steel Webs.](https://reader036.fdocuments.in/reader036/viewer/2022062803/56649cb05503460f9497574b/html5/thumbnails/20.jpg)
Open Web Joist Bracing RequirementsOpen Web Joist Bracing Requirements
![Page 21: Open Web Joists. Product Overview What is an Open Web Joist? In Essence they are Warren Girders Manufactured from TR26 Grade Truss Timber & Steel Webs.](https://reader036.fdocuments.in/reader036/viewer/2022062803/56649cb05503460f9497574b/html5/thumbnails/21.jpg)
Benefits of Open Web JoistBenefits of Open Web Joist
• Access for services• Larger spans than cut timber & I-
Joist• Inherently stable – faster assembly, minimal
bracing
• Light weight
![Page 22: Open Web Joists. Product Overview What is an Open Web Joist? In Essence they are Warren Girders Manufactured from TR26 Grade Truss Timber & Steel Webs.](https://reader036.fdocuments.in/reader036/viewer/2022062803/56649cb05503460f9497574b/html5/thumbnails/22.jpg)
Benefits of Open Web JoistBenefits of Open Web 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
![Page 23: Open Web Joists. Product Overview What is an Open Web Joist? In Essence they are Warren Girders Manufactured from TR26 Grade Truss Timber & Steel Webs.](https://reader036.fdocuments.in/reader036/viewer/2022062803/56649cb05503460f9497574b/html5/thumbnails/23.jpg)
Benefits of Open Web JoistBenefits of Open Web 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
![Page 24: Open Web Joists. Product Overview What is an Open Web Joist? In Essence they are Warren Girders Manufactured from TR26 Grade Truss Timber & Steel Webs.](https://reader036.fdocuments.in/reader036/viewer/2022062803/56649cb05503460f9497574b/html5/thumbnails/24.jpg)
Benefits of Open Web JoistBenefits of Open Web 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
![Page 25: Open Web Joists. Product Overview What is an Open Web Joist? In Essence they are Warren Girders Manufactured from TR26 Grade Truss Timber & Steel Webs.](https://reader036.fdocuments.in/reader036/viewer/2022062803/56649cb05503460f9497574b/html5/thumbnails/25.jpg)
Open Web Joist VersatilityOpen Web Joist Versatility
TRIMMABLE TRIMMABLE ENDSENDS
TOP BEARINGTOP BEARING
![Page 26: Open Web Joists. Product Overview What is an Open Web Joist? In Essence they are Warren Girders Manufactured from TR26 Grade Truss Timber & Steel Webs.](https://reader036.fdocuments.in/reader036/viewer/2022062803/56649cb05503460f9497574b/html5/thumbnails/26.jpg)
Open Web Joist VersatilityOpen Web Joist Versatility
![Page 27: Open Web Joists. Product Overview What is an Open Web Joist? In Essence they are Warren Girders Manufactured from TR26 Grade Truss Timber & Steel Webs.](https://reader036.fdocuments.in/reader036/viewer/2022062803/56649cb05503460f9497574b/html5/thumbnails/27.jpg)
Trend towards Multi-Storey Trend towards Multi-Storey DwellingsDwellings
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Open Web Joist Growth Since 1997Open Web Joist Growth Since 1997
19971998
19992000
20012002
2003