Decking project help

richieboy

richieboy

richieboy

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Joined
29 Dec 2004
Posts
2,252
So here is the area in question:

QtEwC0Zl.jpg

I am planning on decking a part of the area above - a rectangle 270cm x 420cm between my house (on the right in the picture), and my garage (funnily enough, on the left!). The house is slightly higher than the garage, so my plan was to dig it up and make it level, then lay my decking frame in to that on top of some paving slabs, i just had a few questions:

1) Someone on here mentioned that a deck should have a "fall" and so should slope 1 in 100 (i think), would this be a good thing to do here? I was going to run my deck boards across (as i can buy 4.2m deck boards i was just going to run them across the entire 420cm width from house to garage).

My only thought was - as these boards have a channel in them i was then worried that the slope would then have to go either towards the house or garage because of the channels in the wood but id rather it sloped forwards away from the fence/garage/house so water just runs off on to the path/grass.

2) I am looking to buy the following deck boards:

http://www.avsfencing.co.uk/decking...s/grooved-and-reeded-arbordeck-decking-board/

Do they look OK? I don't want to pay too much but i'd like it to last a while and i intend on maintaining it.

3) Is there anything i am missing, or any general advice you can give me?

Thanks for any help!
 
Ah so I do need a fall, and it does need to fall in the direction of the boards with the channels/treads? Just thinking I'll put the boards going the other way then maybe, from fence to grass rather than house to garage and the fall can be toward the grass?
 
Thanks for the tips and pictures guys, definitely helps with finalising ideas in my head - i have made a lovely diagram for you to show my current plans:

A0Zq7Ax.jpg

So if i just run the boards from fence to grass (i don't want to sound lazy, but i really don't want to run the boards diagonally across....too much cutting!) and slope it slightly it should allow water to run off.

The top bit in my fancy diagram is my general idea for the frame, which will be set on concrete slabs. I was going to use 100x47mm joists for that...

All look OK?

Thanks for the tip with the jack, brilliant idea!
 
Thanks guys, one thing i've realised is that my frame diagram is pretty wrong! I am now going to do 9 4.2m length joists going across every 45cm to support the boards going front to back, and prob a few noggins in between them.

Does anyone know whether i should use "hangers" for the joists or would you just nail/screw them in directly?
 
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