DIY Doctor

Shed wall thickness

Postby Dannyboy » Mon Jan 12, 2009 8:32 pm

Hi there, I am currently taking on building a 8x6 shed using OSB sheets, its all from scratch (not a prebuilt kit), my main concern is what thickness of OSB to use, the area i live in does get gusty at times but with the framework plans i have made should be ok.

The reasons I ask this question is there is a big price difference an I dont want to be spending extra money if I dont have to.

If on the other hand you can suggest an alternative then I am all open to suggestions.

Thank you
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Gorilla Glue heavy duty grab adhesive

Postby stoneyboy » Tue Jan 13, 2009 9:52 pm

I am not sure OSB is damp-proof, I have used it in a garage and the layers of wood lift off the surface. How about using sheathing ply which is supposed to be OK in damp conditions. Or try to buy a secondhand shed which will probably be cheaper.
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Postby jackthebuilder » Wed Jan 14, 2009 10:24 am

Hi Dannyboy

Like Stoneyboy I've had some problems with OSB - or Sterling board as I know it - the surface can 'flake off' as I found to my frustration when I used it to level a floor (because of the cheaper price) and used double sided tape to secure lino - if I had to re-position any pieces, the tape pulled the surface off the OSB.

Quoting an informative website: "OSB panels have no internal gaps or voids, and are water-resistant, although they do require additional membranes to achieve impermeability to water."

In an exposed situation like a shed, 'water-resistant' isn't good enough! Plus I think it looks pretty naff!

Weatherboarding over a stout frame would be the 'proper' way. It can be pretty cheap if you can get away with using offsaw treated - have a scout around timber merchants.

Check eBay - some interesting 'wood effect' metal sheds there for around £200, delivered.

Good luck. Jack.
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Postby TheDoctor5 » Fri Jan 23, 2009 9:05 am

Last year 64% of the questions asked in our forum were answered within our DIY project pages at The project pages are now separated alphabetically and your answers are accompanied by diagrams and the ability to see, and buy, the tools and/or required to complete your project. Use our search box to look for your answer and save a great deal of time and money!
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Postby Dannyboy » Sat Jan 24, 2009 12:05 am

Jack & Stoneyboy,
Thank you for you replys reguarding my shed project, and to save any future tantrums (lol) i will do like both you guys have mentioned...i'm gonna get a cheap shed. To be honest i didnt really think about the OSB flaking away but i guess the though was there.
Thanks guys
All the best
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