Screwing into particle board on wall

[MathiasS]

Speaking of nice and ugly... I was shopping a bit at B****us and needed some OSB boards. But they were out of stock and back-ordered from their supplier, so it would take an unknown amount of time before they came in.

But they had 11 mm ungraded construction plywood, ugly-plyfa in other words. It was evident as there were many large knots and many boards had some cracks in the outer layer. But it should be good enough to have behind gypsum and the like, right? They charged 10:- less per board than they usually do for 11 mm OSB.

Yeah, I think it works excellently. Normally, construction plywood tends to be somewhat more expensive than OSB, but it can hardly be that crappy, the one you found.

 

[somelvis]

What's wrong with the Byggmax particle board that someone disliked before?

I'm a former crafts teacher and I think I've seen a lot of particle board, but I find it hard to see it as substandard.
Admittedly, I've only used the 16mm variant, but there was absolutely nothing wrong with it.
It even had a finer surface than most I've seen before.

Regards

 

[Pysslarn]

would probably go with the regular 11 mm as I suspect that odd thicker boards become much more expensive. But feel free to check the price and post it on the forum. Could be fun to know what thicker osb costs.

Then for the really heavy stuff, you have to locate the studs

Wow, 11 mm... that sounds a bit thin to me... Admittedly, the forces are mainly vertical but still...
If we're not talking about price but optimal choice, where would you end up then?
Then the "stud-rule" is obvious.

Mats_o: Your solution is smooth and I've been there too, but think about 3 years from now when you want to hang that new nifty gadget and can't put it where you actually want it because there's only plaster...

Happy New Year, by the way, everyone!
/Ronnie

Hmm, let's see... One two three four... Strange! Weren't there ten of them when I started the band saw???

 

[Mats]

Then I grin and smile and attach a disc to consoles and hang the gadget where I want

 

[Pysslarn]

Then I grin and smile and attach a board to brackets and hang the thing where I want

Yippie! What do we need problems for?

 

[Mats]

They have us so that we have to invent solutions for

 

[Tossegubbe]

If you're not overly concerned with the price, using flooring chipboard under the gypsum on the wall is a great steady alternative. It's actually not THAT much more expensive compared to 12 mm plywood, which also has the disadvantage of rarely being particularly smooth, especially the kind you might accidentally buy from byxxmax, Bauhaus, etc. In fact, I've experienced it being so wavy that it pushed the gypsum off on top!! As a side note, there is 22mm tongue-and-groove OSB available, but it is about 3 times as expensive as 11mm.

 

[Tossegubbe]

Then there is fiber-reinforced 15mm plasterboard that in terms of fire rating is supposed to be equivalent to double 13 standard plasterboard, price-wise comparable but with less thickness and less work.. (but damn it's heavy to carry alone :-/ about 60kg/sheet)

 

[Lilljonte]

I am building a house and I will be installing OSB and plasterboards. However, I found out that you should not place OSB edge to edge but instead leave a gap of 4 mm vertically and 2 mm horizontally. This is in case the OSB swells.........
Regards.