Nurajack Calculator

Nurajack Calculation Sheet

Deck Dimensions

Depth of decking timber mm
Depth of joist mm Min 75mm for deck timber >30mm
Min distance from top of deck to substrate mm Not enough distance for a Nurajack product
(Shallow end of substrate)
Fall Ratio (Slope Angle)
Deep end of substrate
(Calculated from slope)
Max distance from top of deck to substrate mm
(Low point of substrate)
Deck length M
(Across the fall)
Deck width M
(Down the fall)

Bearers and Substrate

Is the deck over membrane? Yes No

Do you want to use bearers? Yes No

Depth of bearer mm

Do you want to use Nuraspikes? Yes No

Distance from shallow end where soil starts M
('0' if all point loads over soil)

Joist Profile

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 width (Down the fall)	M
Deck length (Across 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

Copy to
clipboard

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.

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

Contact Us

Timber Deck Calculator

Nurajack Calculation Sheet

Deck Dimensions

Bearers and Substrate

Joist Profile

Breakdown

Plain Text Instructions

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

What Our Clients Are Saying

Contact Us

Timber Deck Calculator

Nurajack Calculation Sheet

Deck Dimensions

Bearers and Substrate

Joist Profile

Breakdown

Plain Text Instructions

Office Location​60D Leon Leicester AveMt Wellington. Auckland 1060

What Our Clients Are Saying

Contact Us

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