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Weed membrane for decking, under or over

Discussion in 'In the Garden' started by A_Novice, 24 Apr 2021.

  1. A_Novice

    A_Novice

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    Hi,

    Have seen a couple of responses about this.

    Having some decking put down.

    Should the membrane go under the deck (the norm) or can it go across the joists on top?

    I've read some people recommend the latter

    What are people's opinions on this?

    Thanks
     
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  3. sxturbo

    sxturbo

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    Underlaying on top the joists reduces the air flow and will cause issues later down the line
     
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