Nurajack Calculation Sheet

Deck Dimensions

  • mm
  • mm
  • mm
    (Shallow end of substrate)
  • M
    (Across the fall)
  • M
    (Down the fall)

Bearers and Substrate

  • Yes No
  • Yes No
  • mm
  • Yes No
  • M
    ('0' if all point loads over soil)

Joist Profile

Deck Plan

Shallow end
Deep end
Nurapad Nurajack Nuraspike
Note: Overlapping NJSE bases can be cut in by 47mm to fit.

Breakdown

Input values
Depth of decking timber mm
Depth of joist mm
Min dist top of deck to substrate
(Shallow end)		 mm
Fall ratio
Max dist top of deck to substrate
(Deep end)		 mm
Deck length
(Across the fall)		 M
Deck width
(Down the fall)		 M
Joist quantity
Joist spacing mm
Bearer quantity
Size of bearer
Total Nurajacks along bearer
Nurajack spacing along bearer
Nuraspikes used
Distance from shallow end where soil starts
Product # Required

Print Joist Profile
and Breakdown

Plain Text Instructions

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​Please Note: The above calculator is to be used for estimations of Nurajacks and components.  A site measure should be conducted to confirm quantities and sizes before ordering Nurajacks.  Nuralite Waterproofing Ltd. will not be held liable for any products ordered or returned based on the estimation obtained by this calculator.

Office Location​
60D Leon Leicester Ave
Mt Wellington. Auckland 1060

What Our Clients Are Saying

“As you'll see we were working in an incredibly difficult area with sloping concrete paths, constantly changing substrate levels and all of it hemmed in by surrounding walls and fences. I really don't think we could have achieved the end result without the Nurajack's. Thank you for all your help with making this possible! We love it!!”
Jules - Wellington
"Our new paving on Nurajacks looks fantastic and all our friends and family cannot believe how much it has modernised the property." 
​Shane, North Shore, Auckland.
"Great service. prompt and accurate response to enquiry. And their product (Nurajack) is cool - as an engineer I appreciate good design like this"
David Allis - Google Review

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