Web stiffeners requiredeach side of ALL joistswith reinforced cantileversSee detail F13
SmartJoistLoad bearing cantilever details 1
NOTE:
Block together full length with filler blocks as perdetail F15 of the SmartJoist Design Guide
CantileverSpan
Equal to cantilever spanbut MINIMUM of 600mm
SmartJoistblocking panel
C1 C1
C1C1
C2 C2
C2C2
NOTE:
Load bearing cantilever details 2SmartJoist
Equal to cantilever spanbut MINIMUM of 600mm
CantileverSpan
15mm F11 structural ply is required on one or both sidesof the joist (See Tables). Depth shall match the full heightof the Smartjoist. Nail with 3.15 x 65 nails at 100mm ctrsin a staggered pattern.
Face grain of plyreinforcement parallelto the span
SmartJoistblockingpanel
17mm plywoodor SmartRim closure
Attach web-stiffenersto each side of joistover support
SmartJoistNon load bearing cantilever details
F9 F9
F9F9
UNIFORM LOADS ONLY.
NOTE: SmartJoistsMUST BE PROTECTEDFROM THE WEATHER
L/3 MAX.
Example 1200 mm Example: 3600 mm
L
SmartJoists may be cantilevered up to 1/3of their back span.
SmartJoist blocking
1200 mm MAX. 1200 mm MIN.
Non Load bearing wall to amaximum height of 2400 mm
Min F8 - Durable ortreated timber(UNIFORM LOADS ONLY).
L 1.5 x LBacker block - Nail with 2 rowsof 3.75 dia x 65 mm nails at150 centres and clinch
A
200 x 50 mm Min.Nail to backer block & joistwith 2 rows of 3.15 dia x 75 mmat 150 mm centres and clinch
Section A-A
70 mmMIN.
Bearing.
A
SmarJoistblocking
FOR CANTILEVERS SUPPORTING LOAD BEARING WALLSSEE DETAILS C1 or C2.
Skew nail 2 of 3.15 x 75mmnails through to lower plate
70 x 35 F5 nailed to undersideof top flange of adjacent joistswith 3.15 x 60 nails.
90 x 45 F5 strut underconcentrated load.Number of struts to match numberof members in jamb stud or post
Stud or posts supportingtruncated girder truss orother concentrated roof loads
Non Load bearing wall to amaximum height of 2400 mm
RA1 RA1
RA1RA1
Refer todetail F15
***Tight Fit***
Jo is t Sp ac in g (m m )Jo is t Sp ac in g (m m )Jo is t Sp ac in g (m m )Jo is t Sp ac in g (m m ) 300 400 450 600 300 400 450 600
Jo is t Sp an (mm )Jo is t Sp an (mm )Jo is t Sp an (mm )Jo is t Sp an (mm )
3500 6.9 6.4 6.2 5.3 3.1 2.9 2.8 2.4
4000 6.7 6.2 6.0 4.6 3.0 2.8 2.7 2.0
4500 6.6 6.0 5.7 3.9 2.9 2.7 2.5 1.7
5000 6.4 5.8 5.1 3.1 2.9 2.6 2.3 1.4
5500 6.3 5.3 4.6 2.4 2.8 2.4 2.0 1.1
**based upon worst case of 40mm flange width (conservative for wider flaged jo ists)
Sheet R oo fSh eet R oo fSh eet R oo fSh eet R oo f T ile R oo fT ile R oo fT ile R oo fT ile R oo f
Ma x imu m R oo f Area Sup po r ted (m2)Ma x imu m R oo f Area Sup po r ted (m2)Ma x imu m R oo f Area Sup po r ted (m2)Ma x imu m R oo f Area Sup po r ted (m2)Joist Spacing (mm)Joist Spacing (mm)Joist Spacing (mm)Joist Spacing (mm) 300 400 450 600 300 400 450 600
SmartLVL or similarplate, depth to approxmatch joist depth.
Joist hanger
F27 F27
F27F2775 x 50 x 5 Unequal Angle150 mm long support, longLeg vertical - SEE ADJACENTDETAIL.
SmartLVL Bearer/waling plateSkew nail top flange with3.15 x 65 mm nail toBearer/Waling plate
Fix SmartJoist to angleplate with a 10 x 30 mmlong type 17 counter - sunk screw.
Min thickness ofbearer/waling plate42 mm
Fix angle plate to beareror waling plate with6 No 12 x 35 mm longType 17 Hexagonalhead screws.
Notch bottom ofjoist for a flushfinish, as perdetail on page 11.
Min distance from bothedges 10 mm
50mmminimum
6 of 7.0 mmdia holes
5.0 mm dia holecountersunkto underside
20mm
F17 F17
F17F17
I-Joist to steel beam details
With Top mount joist hanger
One bracket nailin every holeof the joist hanger.
UB, UCor Channelsection
Top-Mountjoist hangerto match joist size.
NOTE:IT IS IMPORTANT TO USE THE CORRECT NAIL SIZE.WOOD MAY SPLIT IF THE NAILS ARE TOO LARGE.Nails should be 3.75 x 40 mmWith a nail in EACH bracket hole.
F17A F17A
F17AF17A
I-Joist to steel beam details
With Top mount joist hanger
Sheet flooringCoach bolts
UB, UC, PFCor Channelsection
Top mountjoist hanger
Fixing platebolted to steel(Bolts by other)
SmartJoistSmartJoist
F19 F19
F19F19
I-Joist to steel beam details
With face mount hanger
Joist hanger as perthis Design Guide
FLOOR: SmartJOIST to Steel Fixing Details (With Hanger)
F28 F28
F28F28
Fix SmartJoist to LVSIA Anglewith 3 @ No. 10 x 30 mmType 17, Countersunk Screws
Notch bottom chord of SmartJoist55x5 mm for flush finish
Fix angle plate to beareror waling plate with12 @ No. 12 x 35 mm longType 17 Hexagonalhead screws.
75 x 50 x 5 Unequal Angle300 mm long support, longLeg vertical - SEE ADJACENTDETAIL.
Min thickness ofbearer/waling plate42 mm
3mm GapAs per F13 Detail
3.75 x 75 nails at300mm spacing.As per detail F15/F15A
Tight FitContinuous FillerAs per Detail F15/F15A
Single SmartJoist to LVSIA Double/Triple SmartJoists to LVSIAConnection DetailConnection Detail
F20A F20A
F20AF20A
I-Joist to Wall Plate detailsWith Top-Mount Hanger
**Recommended***Fixing plate to be bolted to steelBolt size as per eng. specificationBolts to be supplied by others
****Tight Fit****
Fixing plates: size dependentupon SmartJoist and steelbeam sizes, but not lessthan 25 mm bearingonto steel beam
70 mm verticalsoftwood packerat bolt location
Min of one M12 bolt every 1200 mm centresand not less than 3 bolts per filler block section,staggered where possible.Min edge and end distance of 60 mm.
***All bolts to be supplied by others***
Filler block depth mustfit all face mount nails***Minimum 35mm thick***
Minimum 3mm, maximum 6mmspace to eliminate contact betweenhanger and steel which may causesqueaks.
Fix top chord to supportwith 2/75x3.05mm nailsper joist
Minimum 3mm, maximum 6mmspace to eliminate contact betweenhanger and steel which may causesqueaks.
FLOOR: SmartJOIST to Brickwall Fixing Details
FLOOR: SmartJOIST to Solid Timber Fixing Details (Cont')
Page 4
F16 F16
F16F16
I-Joist to steel beam details
Web Stiffener installedin contact with bottomflange as per detail F13
Min Bearing length 45 mm
1/No 10 x 30 mm LongType 17 Screw.
UB, UC orChannelSection
12 mm Max
To maintain the End Reaction capacities above,End notching of flanges at supports is limited to:
1. Notch depths no greater than 12 mm.2. Notches are not over cut.3. Notch does not exceed more than 5 mm past support.
DO NOT OVERCUT
With Web Stiffener
F18A F18A
F18AF18A
I-Joist to steel beam detailsWith Timber packer
Timber packer,minimum of 35mmbearing to steeland SmartJoist Packer to be securely
fastened to steel beam
UBSteel Beam
2 of 3.15 x 65mmnails, one each side,a minimum of 30mmfrom the end
SmartFrame I-Joist
FLOOR: SmartJOIST to Steel Fixing Details (Without Hanger)F18 F18
F18F18
I-Joist to steel beam details
With Web stiffener
D
20 mm (MAX)
Web notch to be the minnecessary for clearance.
Min Bearinglength 35 mm
UB, UCor Channel Section
Web Stiffener installedin contact with bottom flangeas per detail F13
D/2 (Max)
NOTE:Webs may be cut to accommodate the top flangeof steel sections, provided that web stiffeners are installedboth sides of the web as shown above and detail F13.
5 - 6 mm gap
Adequate lateral restraintEg: blocking to lower flangeor altenatively1/No 10 x 30mm longtype 17 screw as shown
22mmmaximumrebate
3-4 mm Gap
F10 F10
F10F10
Filler block,nail with 10 of3.75 dia x 75 nails
Packer block, nailwith 10 of 3.75 diax 75 nails.
SmartJoist to LVL/Solid timber
Face/Top mount connection details
F11 F11
F11F11
Solid timberor LVL beam
If the sides of the hangerdo not support the top flange.Web stiffeners as perDetail F13 are required.
Face-mounthanger
Top-mounthanger
SmartJoist
I-Joist to I-Joists connection detailsF12 F12
F12F12
Nail backer blockingwith 10 of 3.75 x 75 nails.
Backer blockrequired
Top-mounthanger
Filler blockingnail with 10 of3.75 x 75 nails
SmartJoist
Packer & Filler blocks details
FLOOR: SJ Packer/Filler Block, SmartJOIST to SmartJOIST Fixing Details
Filler blockingAs per detailF15 or F15A
SmartJoist
Setdown details
F12A F12A
F12AF12A
I-Joist to I-Joists
FACE-MOUNTHANGER
TOP-MOUNT HANGERSETDOWN ORCHANGE IN LEVEL
TIGHT FITNO GAPS
REFER TO DETAILF12B.3 OR FJ12B.4
REFER TODETAIL F12B.1
REFER TODETAIL F12B.2
NOTE:THIS DETAIL NEEDS TO BE READIN CONJUNCTION WITH DETAIL F12B
F12B F12B
F12BF12B
F12B.2F12B.1
F12B.3
50 mm ±
50 mm ±
50 mm ±
50 mm ± 2 rows of3.75x75nailsat 150mmspacingClinched
Small Gap( 3mm ± )
50 mm ±
50 mm ±
50 mm ±
50 mm ±
2 rows of3.15x65 nailsat 150mmspacingClinched
Small Gap( 3mm ± )Small Gap
( 3mm ± )
2 rows of3.75x75 nailsat 150mmspacingClinched
Tight Fit50 mm ±
50 mm ±
50 mm ±
50 mm ±
50 mm ±
50 mm ±2 rows of 3.75x75nailsat 150mm spacing*each end*(Offset nails fromopposite face by 75 mm)Clinched
Small Gap( 3mm ± )
F12B.4
BACKER BLOCK
FILLER BLOCK
2 rows of3.75x75nailsat 150mmspacingClinched
2 rows of3.15x65nailsat 150mmspacingClinched
2 rows of3.15x65nailsat 150mmspacingClinched
For 2/70mm 2/90mm & 3/SJswith 1/setdown joist attached
For 2/40mm 2/44mm & 2/51mmwith 1/setdown joist attached
NOTE:1. Web stiffeners are NOT required at endbearing supports when span length are takenfrom the SmartFrame I-Joist Design Guide2. Web stiffeners may be required at innersuuports. Consult the appropriate tables.3. Web stiffeners ARE required where thejoist hanger does not support the top flange.
F14 F14
F14F14
DO NOT bevel cutjoist beyondinside face of wall.
NOTE:SmartJoist blocking or timber X - bracingrequired at bearing for lateral support.
SmartJoistBevel cut details
FLOOR: Web Stiffeners, Bevel Cut Details
Bead ofelastometricadhesive
Temporarywaterproofmembrane
NOTE:Deck/Balcony members to be sealedbefore & after installation.
3.75 dia x 90mm nails3.75 dia x 90mm nails3.75 dia x 90mm nails3.75 dia x 90mm nails
2 rows at 300ctrs2 rows at 300ctrs2 rows at 300ctrs2 rows at 300ctrs 3 rows at 300ctrs3 rows at 300ctrs3 rows at 300ctrs3 rows at 300ctrs
3400mm 5100mm
Maximum Floor Load Width Supported By Either Ouside Member (mm)Maximum Floor Load Width Supported By Either Ouside Member (mm)Maximum Floor Load Width Supported By Either Ouside Member (mm)Maximum Floor Load Width Supported By Either Ouside Member (mm)
Maximum Floor Load Width Supported By Either Outside Member (mm)Maximum Floor Load Width Supported By Either Outside Member (mm)Maximum Floor Load Width Supported By Either Outside Member (mm)Maximum Floor Load Width Supported By Either Outside Member (mm)
2 rows at 600mm ctrs2 rows at 600mm ctrs2 rows at 600mm ctrs2 rows at 600mm ctrs 2 rows at 300mm ctrs2 rows at 300mm ctrs2 rows at 300mm ctrs2 rows at 300mm ctrs 3 rows at 600mm ctrs3 rows at 600mm ctrs3 rows at 600mm ctrs3 rows at 600mm ctrs
5600mm
F15 F15
F15F15
Multiple SmartJoist details 1SmartJoist
3mm Gap
Continuous filler block
3.75 x 75 nails at150 mm spacing.(Offset nails fromopposite face by 75 mm)
F15A F15A
F15AF15A
Multiple SmartJoist details 2SmartJoist
3mm Gap min.
3.75 x 75 nails at150 mm spacing.(Offset nails fromopposite face by 75 mm)
Tight FitTight Fit Continuous filler block
***Tight Fit******Tight Fit***
50 mm ±
50 mm ±
2 rows of3.75x75nailsat 150mmspacingClinched
50 mm ±
50 mm ±
2 rows of 3.75x75nailsat 150mm spacing****each end****(Offset nails fromopposite face by 75 mm)Clinched
50 mm ±
50 mm ±
2 rows of3.75x75nailsat 150mmspacingClinched
50 mm ±
50 mm ±
2 rows of 3.75x75nailsat 150mm spacing****each end****(Offset nails fromopposite face by 75 mm)Clinched
Small Gap( 3mm ± )
Small Gap( 3mm ± )
Min. 3mm Gap Min. 3mm Gap
For 2/70mm 2/90mm & 3/SJsFor 2/40mm 2/44mm & 2/51mm For 2/70mm 2/90mm & 3/SJsFor 2/40mm 2/44mm & 2/51mm
FLOOR: Multiple SmartJOIST Details
Page 6
FLOOR: SPH220 Split Hanger Fixing Detail
SmartJoist
Supporting external LBW details
F4 F4
F4F4
Load-bearing wall
Joist
Bearer
Small section of bearermaterial placed onstumps/piers tosupport joistssupporting parallelload-bearing walls
F6 F6
F6F6
Backer for sidingattachment.
Use double joistsunder wall wherevertical loadexceeds 29 kN/m
SmartJoist details
Interiror load bearing & bracing walls
F7 F7
F7F7
SmartJoistblocking panel
SmartJoist shall be designedto support load-bearing wallabove when not stacked overwall below.
Detail F7 with blocking panel isrequired for bracing wall
NOTE:
F8 F8
F8F8
Load bearing wallabove must stackover wall below 2 mm
90 X 45 F5 Cripple(compression block)skew nailed to bothflanges with3.15 x 65 nails.
*******10 Screws to each face************40 Screws required per pair*****(No.14 x 30mm min. length Type 17)
32mm min.edge distance
32mm min.edge distance
F26 F26
F26F26
Rafter cuts of SmartJoist details
2
1 MIN
19 mm F11 Ply or SmartRim. Installreinforcement to both sides of joist usingadhesive meeting AS/NZS 4364:1996and nail using 14/75 x 3.75mm evenlyspaced as shown. Alternate nailing fromeach side and clinch.
Blocking
90 mmMin bearing
Top flange mustbe braced eitherby sheeting or100 x 50 forlateral stability.
90 x 45 F5 - 600 mm longboth sides of the SmartJoist
Fasten with 2 rows of 100 x 3.75mm nailsat 150mm centres. (***Stagger rows***)
A = 200*, 240 & 300 mm depthB = 50 mm when A = 240 mmB = 100 mm when A = 300 mm
BG1
Box Gutter rebate details 1
SmartJoist BG1
BG1BG1
B = 50 mm when A = 240 mm
B = 100 mm when A = 300 mm
SmartJoist
Box Gutter rebate details 2
B max
300 mm
A
17 mm F14 ply - 600 mm longboth sides of SmartJoist
Fasten with 3 rowsof 100 x 3.75mm nailsat 100mm centres.
BG2 BG2
BG2BG2
F26 F26
F26F26
Rafter cuts of SmartJoist details
2
1 MIN
19 mm F11 Ply or SmartRim. Installreinforcement to both sides of joist usingadhesive meeting AS/NZS 4364:1996and nail using 14/75 x 3.75mm evenlyspaced as shown. Alternate nailing fromeach side and clinch.
Blocking
90 mmMin bearing
Top flange mustbe braced eitherby sheeting or100 x 50 forlateral stability.
