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30th November 2013, 03:48 PM #1New Member
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Plinth board for decking, good or bad idea?
Hi All,
I am building a deck (the very first deck by myself , I prefer more solid decking board rather than the standard 19mm decking , something like those ones at st kilda beach or some other public places. I am thinking to use 35mm treated pine plinth board. I will sand, stain and paint it. just would like to get some professional feedback before I start...
Many thanks
cxc
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30th November 2013 03:48 PM # ADSGoogle Adsense Advertisement
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30th November 2013, 09:23 PM #2
I like thick decking boards too. Rather than 19mm boards, I bought 28mm spotted gum decking boards. They look fantastic and don't cup or warp. Downside is that they are heavy to move around and a bit more expensive.
TravSome days we are the flies; some days we are the windscreen
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1st December 2013, 08:27 AM #3GOLD MEMBER
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- Oct 2007
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- vic clayton
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- 1,041
I have used TP150x25mm in a deck for a client I laid it with no gaps and 5mm arris used twin 14g gal screws at each joist. After 3 months gaps opened to an average of 6-9mm and some cupping client was well aware of this and is happy with results
Some people are like slinkies - not really good for anything, but they
bring a smile to your face when pushed down the stairs .
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1st December 2013, 08:57 AM #4
cxc..just on a safety matter...be careful about sanding Treated timber. The chemicals used for treatment are poisonous especially as a fine dust and inhaled, you may wear a mask but the dust could affect family & neighbours
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1st December 2013, 04:29 PM #5GOLD MEMBER
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I am always wary of the toxins in TP.
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2nd December 2013, 10:48 AM #6
Also the copper-chrome-arsenic CCA chemicals do not fully penetrate into the wood and are concentrated in the top 2-3mm. Sand or plane and you are removing much the insect & fungus protection. Also, what do you do with the toxic shavings/sandings ???
I also like solid timber and thirty years ago I got same 40x200mm celery top pine and dressed that down to 36mm bookshelves. These span up tp 1500mm (five feet!) and they have not yet bent under the weight of books.
19mm radiata bookshelves 1 metre wide bent or sagged within minutes!
Fair Winds
Graeme
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