KlevaKlip Systems Pty Ltd - About Joist Supports

 

Click Here for USA Adjustable Joist Support  

*** NEW PRODUCT RELEASE AJH50G***

KlevaKlip have now released the Adjustable Joist Support AJH50G (Aus/NZ) for 50mm wide Steel or Hardwood Joists. 

See below for all the details:

What is the KlevaKlip Adjustable Joist Support AJ45KIT, AJH45G and AJH50G (Aus/NZ)?

 AUSTRALIAN PATENT 2012261552 - United States 14/098253

Watch our Adjustable Joist Support (Aus/NZ)Install Video

 Download AJ45KIT Brochure  

 Download AJH45G Brochure

 Download AJH50G Brochure

 Download Graph "How to achieve joist heights using KlevaKlip Substructure Products" 

 How to achieve Min & Max Top/Bottom of Joist heights PDF

The Adjustable Joist Support has been designed specifically to enable decks to easily be built over concrete slabs in areas where limited ground clearance is available. It is ideal for use when the step-down from your door to your concrete slab is between 100mm (minimum) and around 230mm (maximum).

The AJ45KIT & AJH45G has been specifically designed to be used with 45mm wide treated pine timber joists and the AJH50G for 50mm wide Steel or Hardwood joists for the Australian & New Zealand markets.

For exact heights please see our "Minimum and Maximum Top of Joists Height information" or "Heights achieved" grid (both listed below) using 60mm,100mm & 120mm M10 bolts and 70,90, & 140 x 45mm Timber joists for the AJ45KIT, AJH45G and using 60mm & 120mm M10 bolts for 100 & 150mm x 50mm Steel or Hardwood joists.

 

360° view AJH45G Adjustable Joist Support Assembled

 


​360° view AJH50G Adjustable Joist Support Assembled

 


Adjustable Joist Support in Action 

 

 

Click to enlarge 

How is the Product Purchased?

There are now three options  available when purchasing the Adjustable Joist Support- either the Adjustable Joist Kit which includes Bolts, Nuts, Washers and dynabolts or the Adjustable Joist Support AJH45G or AJH50G where they are not included.

Option 1: Adjustable Joist "Kit" (AJ45KIT):  

The product comes in boxes containing 16 joist supports,16 base plates, 32 x 100mm M10 hex bolts,64 x M10 hex nuts, 32 x M10 washers and 16 x 12 mm Dynabolts.

Option 2: Standard Adjustable Joist Support (AJH45G):

The product comes in boxes containing 24 joist supports and 24 base plates.(see photo below) Bolts, nuts, washers etc.are purchased separately from your hardware store/merchant depending on what height you want to achieve.

Each Adjustable Joist Support ( joist holder + base plate) requires 2 x M10 Hex Head Bolts, 4 x M10 Nuts & 2 X M10 washers, 1 x 12mm x 50mm Galvanised 12mm dynabolt or x 10mm x 60mm masonry bolt or similar.

Option 3: Standard Adjustable Joist Support (AJH50G):

The product comes in boxes containing 24 joist supports and 24 base plates.(see photo below) Bolts, nuts, washers etc.are purchased separately from your hardware store/merchant depending on what height you want to achieve.

Each Adjustable Joist Support ( joist holder + base plate) requires 2 x M10 Hex Head Bolts, 4 x M10 Nuts & 2 X M10 washers, 1 x 12mm x 50mm Galvanised 12mm dynabolt or x 10mm x 60mm masonry bolt or similar.

Differences between Adjustable Joist "Kit" (AJ45KIT)verses Standard Adjustable Joist Support (AJH45G)?

Advantages

Disadvantages

 

  AJ45KIT- How Packaged in box             AJH45G/AJH50G- How Packaged in box

         16 Base Plates & Joist Supports                             24 Base Plates & Joist Supports

     Includes: Bolts, Nuts,Washers & dynabolts                         Excludes: Bolts, Nuts,Washers & dynabolts or masonry bolts           

 
 
 
 
 
 
 
 
 
 
 
 
 

 

 
 
 
 
 
 

    

 Advantages of the Adjustable Joist Support 

Minimum and Maximum Top of Joist Information

Minimum top of joist heights

76 mm – fixing joist bracket direct to concrete no base-plate no bolts and using 70mm joist

 

86 mm – using Joist Support KIT- lowest height achievable using base-plate, 100mm fully treaded bolts and joist bracket with 70mm joist

86 mm – using Adjustable Joist Support AJH45G- lowest height achievable using base-plate, 60mm bolts and joist bracket with 70mm joist

 

106 mm – using Joist Support KIT- lowest height achievable using base-plate, 100mm fully threaded bolts and joist bracket with 90mm joist

106 mm – using Adjustable Joist Support AJH45G - lowest height achievable using base-plate, 60mm bolts and joist bracket with 90mm joist

116 mm – using Adjustable Joist Support AJH50G - lowest height achievable using base-plate, 60mm bolts and joist bracket with 100mm joist

Maximum top of joist heights

150 mm – using Joist Support KIT,100mm bolts & 90mm joist

170 mm – using Adjustable Joist Support AJH45G, 120mm bolts & 90mm joist

180 mm – using Adjustable Joist Support AJH50G, 120mm bolts & 100mm joist

 

180 mm – using Joist Support KIT, 100mm bolts & 120mm joist

200 mm – using Adjustable Joist Support AJH45G, 120mm bolts & 120mm joist

232 mm – using Adjustable Joist Support AJH50G, 120mm bolts & 150mm joist

 

200 mm – using Joist Support KIT, 100mm bolts & 140mm joist

220 mm – using Adjustable Joist Support AJH45G, 120mm bolts & 140mm joist

230 mm – using Adjustable Joist Support AJH50G, 120mm bolts & 150mm joist

Note – the above information is a “practical” rather than an “absolute” document. There will be a number of ways to achieve the heights mentioned with different sized joists, however the installer should always be mindful to operate within the KlevaKlip product parameters and relevant joist span tables 

"Heights achieved" when using 100mm for AJ45KIT, 60mm & 120mm long M10 Hex Head Bolts for AJH45G and AJH50G Adjustable Joist Supports (Aus/NZ)? 

Note: All measurements for 60mm &120mm are based on using Galvanised Zenith brand M10 hex head long-threaded bolts.

 Adjustable Joist Type Hex Head Bolt Length Min     Height to Bottom of Joist Max    Height to Bottom of Joist Min Height to Top of 70/90 x 45mm Timber Joist  Min Height to Top of 100/150 x 50mm Steel or Hardwood Joist Max Height to Top of 70/90/140 x 45mm Timber Joist Max Height to Top of 100/150x 50mm Steel or Hardwood Joist

Adjusta​ble Joist "Kit" (AJ45KIT)

100mm 16mm 60mm 86* / 106mm
130 / 150 / 200mm ​​

Standard Adjustable Joist (AJH45G)

 60mm 16mm 20mm 86 / 106mm    90 /110/160mm  
120mm 18mm 80mm 88* / 108mm   150 /170/ 220mm  
**No Bolt 6mm 76 / 96mm    

 

Adjustable Joist Support (AJH50G)

 60mm  16mm  20mm    116/166mm    120/170mm
 120mm  18mm  80mm    118/168mm    180/230mm
 **No Bolt   6mm                       106/156mm    

 * If using long bolts at low heights, to prevent the bolts protruding past the top of joist, the end of the bolt will need to be cut off.

** When Using Joist Support Only.

Span requirements for base- plate positioning for AJ45KIT, AJH45G & AJH50G (Aus/NZ)

All based upon "continuous span" with joists at 450mm between centre's.  

Adjustable  Joist Type       Joist Size Recommended Span (mm) Maximum Span (mm)

Adjustable Joist "KIT"

(AJ45KIT)

Standard Adjustable

Joist Support

(AJH45G)

70 x 45 MGP10 800 1200
90 x 45 MGP10 1000 1500
90 x 45 MGP12 1200 1600
*120x45MGP10 1200 1800
*140x45MGP10 1200 1800

Adjustable Joist

Support

(AJH50G)

 

*100x50 Steel or 

Hardwood Joist

 1200 1800

* 150x50 Steel or

Hardwood Joist

 1200 1800

 * Joist span limited by lateral loading on bolts

 How to achieve Min & Max Top/Bottom of Joist heights PDF

 

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