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  • #1

    Raised beds - Lined or Non-lined

    hmm Raised beds - should i line the inside of the raised beds with polythene to help prevent rot ? Or should I leave them bare wood ?

    anybody have any experience in building and preserving raised beds..

    The wood is non-treated - Or alternatively is there any natural/organic/non-toxic wood preserve material I can coat the wood in ?

    regards
    newy
    My little site
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  • #2
    I've just finished/made one out of reclaimed house bricks, so I've no need to line it out. But my neighbour made one out of round fence post's, she lined it out with old compost bags so as to keep the cost down. Ask around your friends for there used bags, it's much better than them going to land fill.
    Last edited by ginger ninger; 11-03-2011, 11:05 AM.

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    • #3
      There is a non-toxic wood treatment called Croma. I think it is quite expensive and I can't remember where I saw it.
      History teaches us that history teaches us nothing. - Hegel

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      • #4
        Originally posted by oldie View Post
        There is a non-toxic wood treatment called Croma. I think it is quite expensive and I can't remember where I saw it.
        How much...for how much ...*Ginger faint's*

        The Organic Gardening Catalogue

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        • #5
          It's about £7 for 250ml GN
          "We can complain because rose bushes have thorns, or rejoice because thorn bushes have roses."-- Abraham Lincoln

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          • #6
            Thanks folks,

            seems its cheaper here: Croma Non-Toxic Wood Preservative - Wooden Compost Bins - Compost Bins & Composting - The Recycle Works Ltd
            But i checked out the fact sheet here:
            http://www.recycleworks.co.uk/PDF_fi...eservative.pdf

            Is it really that safe ?.. If its an irritant ??

            Section 3: Hazards Identification: Health Effects:
            Skin contact: Irritating to skin.
            Eye contact: Risk of serious damage to eyes.
            Inhalation : May cause irritation to respiratory system if mists or spray are inhaled.
            Ingestion : Low volatile product.

            Section 4. First Aid Measures:
            Skin contact: Wash off immediately with soap and water.
            Eye contact: Irrigate with plenty of clean water and seek medical attention.
            Inhalation: Take plenty of fresh air.
            Ingestion: Take plenty of water. DO NOT cause vomiting.
            Other: Immediately take off all contaminated clothing.

            Personal Protection Equipment:
            Hand Protection: P.V.C. Oil/Chemical resistant gloves are recommended.
            Eye Protection: Goggles.
            Skin & Body Protection: Lightweight protective clothing – chemical resistant apron.
            My little site

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            • #7
              One thing to consider is lining the beds will give somehwere for slugs to hide.. i was going to then decided against it.

              my local timber merchant sold me some 2" thick wood, prob around 6" high, 12' long - treated, so wont rot within 15 years.

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              • #8
                Hi chris,

                If its treated its probably got arsnic in it, which will unfortunatly leak into your soil ... Im just reading about an age old recepie of Linseed Oil..

                Anybody had any experience with linseed oil ?

                I stumbled accross a company natural linseed oil ecologically green paint which makes paint based on linseed oil.. Expensive - but looks promissing. An interesting read too his site. I've asked the guy a couple of questions.. we shall see.
                Last edited by newmannewy; 11-03-2011, 02:12 PM.
                My little site

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                • #9
                  I believe that arsenic is no longer used in treated wood. You had better read this as well:- Linseed Oil Information and Use. Scroll down the page and it will tell you that boiled Linseed oil also has arsenic in it promotes mildew and is not UV resistant!
                  History teaches us that history teaches us nothing. - Hegel

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                  • #10
                    Originally posted by oldie View Post
                    I believe that arsenic is no longer used in treated wood. You had better read this as well:- Linseed Oil Information and Use. Scroll down the page and it will tell you that boiled Linseed oil also has arsenic in it promotes mildew and is not UV resistant!

                    Ill have a read.. If its "treated" its toxic.. Modern treatments involve tanalised wood.. which i believe contains arsnic too.
                    My little site

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                    • #11
                      Sorry but new tanalised wood does not use arsenic its been banned a long time.

                      Colin
                      Potty by name Potty by nature.

                      By appointment of VeggieChicken Member of the Nutters club.


                      We hang petty thieves and appoint great ones to public office.

                      Aesop 620BC-560BC

                      sigpic

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                      • #12
                        Originally posted by Potstubsdustbins View Post
                        Sorry but new tanalised wood does not use arsenic its been banned a long time.

                        Colin
                        This I believe to be correct,I am fairly certain that it was the reason that "tanalised" colouring was changed to green from the more descriptive brown (tan) as it was when I was a lad
                        He who smiles in the face of adversity,has already decided who to blame

                        Artificial intelligence is no match for natural stupidity

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                        • #13
                          Our raised beds are lined with old compost bags, stapled on. Like what Ginge said
                          Last edited by Two_Sheds; 11-03-2011, 08:09 PM.
                          All gardeners know better than other gardeners." -- Chinese Proverb.

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                          • #14
                            Ooh, posh! Our old compost bags are just attached with drawing pins.
                            The problem with rounded personalities is they don't tesselate.

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                            • #15
                              I have never bothered lining raised beds.

                              What are your reasons for wanting to do so? If its to protect the wood, is that not what paint,varnish or water based wood treatment products are for? You will still get a build up of moisture where the liner is against the wood, so what's the point?

                              As has been mentioned, all you are doing is creating a home for slugs, snails, woodlice and all manner of undesirables.
                              My Majesty made for him a garden anew in order
                              to present to him vegetables and all beautiful flowers.- Offerings of Thutmose III to Amon-Ra (1500 BCE)

                              Diversify & prosper


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