Protecting a garden shed?

No idea, I just sniff from afar, I love that sort of lapsang souchong smell

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It’s black as…

Tbh I didn’t have very gpod experiencs with Cuprinol. I’ve been far more impressed with Lidl’s wood protection products in UK and France.

Though I think some of the more remedial steps suggested above are probably the thing to try first in this case. I’d consider adding an EPDM covering on the shed roof as soon as the roof shows signs of letting anything through anywhere (that roof looks Äŗike felt and if so it’s only a matter of time)

I think I would fix the gap at the bottom of the door to stop leaves and water from blowing in. Then wait for it all to dry out in the summer before applying two coats of Thompson’s Water Seal. Easy to apply and very effective.

A lot of damage to timber is from the sun’s UV. TWS doesn’t have any UV barrier

Thanks everyone for your thoughts - very useful. When I’m next there I’ll take some photos. I think the roof maybe fairly sound. Most of the interior is dry, it’s just part of the floor that’s a problem at the moment.

Never encountered that combination.

Mind you, I’ve always preferred to drink it neat, and my garden string stays in the garden…

Garden string, Laphroaig, lapsang souchong, burning certain kinds of wood - all smell delicious. And that shed stuff from a distance.

Never been a tea drinker, but the scent of lapsang souchong always reminded me of the smell of fresh leather.

Meanwhile, typing this with a background scent of a Japanese incense stick and burning chestnut logs…

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What about all those particulates? Ban all incense

My new garden in Chichester - including the shed as a feature. :slight_smile:

Some substantial looking planks there Sue. Looks like a bird watching hide

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This is what the shed looks like inside. Just the floor that’s damp. The rest seems fine. And from outside, the shed is standing on a concrete base.
I’d be grateful for any thoughts as to what I should do. Thanks.

What colour would you like it to be Sue? There are various protection coatings bud blocking the UV that damages the timber more than a bit of moisture should be high on the list

To me it looks s if it has just been plonked onto the concrete plinth, and the water is just seeping from edges. You could probably do with a skirt of some sort around it to stop ingress.

Black outdoor wood stains are not very stable in the sun are the colour rarely lasts more than a year or two. Personally I would spend the money on swedish linseed oil paint and have done with it https://www.moosefarg.com/paint-colors/

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The shed structure looks good but the floor will never dry out as it looks like the sterling board its made from is sitting directly onto the ground/concrete/paved base and once it is wet it loses its integrity.
Does it sound hollow underneath when you tap it, if so then it is sat on joists.
Just make sure the shed is anchored to the ground or at least feels stable when you push against it and if so give it a coat of a preservative colour you like and it will last a few more years.
Think about how much you will use it.
Having been looking at garden sheds myself they can quick set you back quite a bit and probably cost many times more than the value of what you put in it!!

It is. I guess it needs jacking up to let air underneath? But presumably too late and if I walk on it I’ll go through?
I’ll be using it lots. Our house is tiny and there is no room indoors for gardening and DIY stuff.

Apologies Sue, now I can see what others are saying having viewed on the bigger screen. Yes try to get the shed up on 2ā€x2ā€ treated timbers. Stirling board is a lot better than chipboard so it could dry out ok.

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I cannot disagree but 2 wrongs don’t make it right. The Sterling board has clearly been subjected to long term moisture and will have already lost its integrity. Yes it could dry out if lifted from the ground but its strength has been compromised.
Best to leave as is.
The shed framework looks to be of tanalised timber and in good condition so should be good for a few years to come.
Best not to disturb anything other than deflect any running water from seeping under the shed base.

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It’s an option, I think I would try to improve things. Obviously being there is far batter than a photo but even a competent chippy could make a base from treated timber and a new piece of Stirling board then cut out the old if it’s gone rotten. If it dries ok then a soak in thined down varnish maybe. OSB 3 is far better than OSB 2 even when it’s been soaked. The roofing felt on my shed had been torn away on the far side due to neighbours tree tearing it. It dries and is still there but I take your point if it’s been sitting on a wet concrete slab it may have almost been immersed in places but the center did look pretty good. Sheds are expensive these days so I would try to save it

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