thinking outside the tank

Using Google SketchUp for garden design

with 2 comments

I blogged a while back about SketchUp and how useful it is to visualise the designs of DIY projects and to estimate quantities even before the circular saw comes out of its box. Here’s another example which shows the SketchUp design for a deck and its final construction.

Deck design and construction

I built this deck over a flagged patio using 4.8 metre lengths of 144mm reversible, treated, grooved boards attached to a frame of 100mm X 47mm (used to be called 2 by 4) construction timber. I placed weed control mat under everything and used 2 tons of greenslate chippings to cover the ground.

…and even before the computer was switched on and SketchUp loaded, the design started life as a notebook sketch which was refined over a number of days.


Written by netkingcol

December 3, 2011 at 1:16 pm

2 Responses

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  1. HI
    Could you please provide me some info on how you went about securing the decking for the walkway.

    Whats the underlying structure and fixing?

    Its really lovely btw.


    steve france

    April 22, 2014 at 2:18 pm

  2. Steve,

    The decking boards are screwed to a subframe which is made of 100mm X 47mm timber. This is similar in construction to a plasterboard partition wall with posts separated by ‘noggins’. The 100mm dimension stands upright and the decking boards are screwed into the 47mm wide top surface.

    I used six-inch nails to build the subframe, keeping the nails in the lower half of the timber so I wouldn’t need to worry where I drove in the decking screws from above. Watch out for tinnitus as you hammer in the last inch of nail!

    Allow a 4mm spacing between boards, and lay them the same way you would bricks i.e. avoid having joints next to each other by alternating between full-lengths and half-lengths as you start each new row.

    Hope this helps. It’s a while since I completed this project, and what I’ve told you is what I remember. As with boat-building, it’s a good idea to have a comfortable chair nearby where you can sit and think and, in my case, eat copious fried-egg barm cakes.
    Best wishes


    April 22, 2014 at 3:13 pm

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