If price wasn't a factor, and you prefer the look and colour of kwila over stained pine; (tread facing down); which would be stronger/more durable for a capping board on a retaining wall ? Obviously kwila is only 19/20 mm thick versus 50 mm options on pine, but I think the hard wood would give the sh*tty pine were sold a run for its money.
survivalkiwi,
Nov 4, 11:09pm
Kwila it not the right product for a retaining wall. I you are after the look I would build a normal pine wall and batten and cover with kwila.
happychappy50,
Nov 4, 11:28pm
Would'nt be using kwilia either,no guts with the dimensions it's sold in,go with t p & as S K says line it in kwila
zak410,
Nov 4, 11:31pm
. even just for capping I think it will be too weak and 'bow' between posts, plus 20mm looks too thin for that job.
stevo2,
Nov 4, 11:57pm
^^This^^, and Kwila will bleed over the pine
comadi,
Nov 5, 12:47am
Yeah the wall has been built in pine and stained with Wattyl Rustic Oak stain, (very similar colour to Kwila. I never put a capping board on top, but due to what looks like some early movement, I am going to cap it.
underconstructy,
Nov 5, 2:08am
What this guy said.
ebygum1,
Nov 5, 1:33pm
Just a note,you can buy Kwila in various thicknesses up to 100mm. But as stated not the timber for this job.
newtec1,
Aug 7, 1:55pm
Although pine will out last other timbers because of the treatment, it won't stand for too long in the sun and keep it's shape.You will find it will shrink , move, and twist and look like rubbish after a while.If you can get 40mm kwila or even Vitex/ Macracarpa it will be more stable,but won't last as long. I have bult plenty of decks and retainers and fences using pine kwila and Vitex, and pine wouldn't be my first choice except in concealed areas and ground retention situations.
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