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nanger
Forum newbie - be nice!

Posts: 1
Location: 5126
Registered: July 2008

laying wooden decking

Posted 2106 days ago

When laying wooden decking under a pergola,should the flutes be facing up or down or doesnt it matter?Why are there flutes on one side and for what reason are they there?
Confused!
allan f

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pomolo
Forum legend

Posts: 1142
Location:
Registered: September 2007

RE: laying wooden decking

Posted 2106 days ago

Now I know zilch about building or carpentry for a start. I only know ours are laid with the flutes (i didn't even know they were called flutes either)down. I understood it was so water didn't lay in the recesses. The total extent of my knowledge about it I'm afraid.

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Benh
Forum stalwart

Posts: 65
Location: Sydney Sth
Registered: September 2007

RE: laying wooden decking

Posted 2097 days ago

I've had this discussion before and heard arguments for why it should be laid both ways.

Ridges up; because it provides grip

Ridges down; "Pine decking is often supplied "reeded" i.e. with ridges dressed along the length of each board. Although often laid reeded face up, reeded decking is actually intended to be laid reeded face down so that the reeds form an air gap above the joist to allow any moisture to escape. Also, by laying the reeds downwards, any splinters of timber formed by the reeds will not be hazardous." (Copied off another forum)

Ridges down seems to make more sense to me and besides, I reckon it looks better!


_________
from little things, big things grow!

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GABBE
Forum newbie - be nice!

Posts: 1
Location: Northeast Vic
Registered: August 2008

RE: laying wooden decking

Posted 2091 days ago

Hello Nanger,

we recently built a deck at the back of our house, a carpenter friend advised us to put them down. Hubby is currently out and I am unable to recall exactly why "down was it" there were a few reasons that all sounded viable at the time though. If you need more information I am happy to ask and get back to you :)
_________
Babies easy to make hard to deliver!!

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mickv3
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Posts: 5
Location: 2283
Registered: August 2008

RE: laying wooden decking

Posted 2073 days ago

all of the above but preferably "down" as to help the timber to dry out more evenly to reduce twisting and warping

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ducky
Forum stalwart

Posts: 132
Location: QLD
Registered: July 2008

RE: laying wooden decking

Posted 2070 days ago

Wouldn't it be better to have them on both sides?
_________
:)

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marcushc
Forum regular

Posts: 36
Location: Cairns-Tully
Registered: March 2009

RE: laying wooden decking

Posted 1861 days ago

When it is time to resand your deck you will understand why. I own a deck refurbishing caompany and disadvantages are of reeded up- Premature joist rot -also can be prevented by use of plastic dampcourse, earlier growth of mould spores and mould as recesses retain water longer-prolong this event by use of timber sterilising techniqes. SPLINTERS. joins of reed are serrated if misaligned and will cut. You sand off alot of timber when you require sanding. TIMELESS CLASS= REEDS DOWN. Use quality coatings, not cheap oils and you will save money.
_________
GROW HARD OR GROW HOME

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yma123
Forum newbie - be nice!

Posts: 1
Location: 3175
Registered: March 2009

RE: laying wooden decking

Posted 1853 days ago

hi all,

I have a question about decking. Can you lay decking over concrete... we have a balcony area which is concrete & has a concrete room under neath but can we lay decking ontop of that? would it be easy to do?
_________
thanks Amy.

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