jack1962 Posted May 29, 2021 Share Posted May 29, 2021 Hi there i am just new to the site so please excuse me if i have not created this topic in the appropriate section. My query is to do with OSB 3 Sheeting, i have just received a pallet of this from my builders merchant as i requested, i asked for OSB3. In the past when i have ordered the odd sheet of OSB3, i normally see writing on it stating what grade it is, however the stuff i have just received from builders. all the sheets are blank with nothing indicating what grade or manufacturer. Is this normal? The board sizes are 2397mm * 1197mm allowing for 3mm expansion gap i presume. Any advice or thoughts would be greatly appreciated. This is our 1st self build.. Regards Jack & Yvette Link to comment Share on other sites More sharing options...
Temp Posted May 29, 2021 Share Posted May 29, 2021 I'd go visit the builders merchant and ask to see their osb3. Link to comment Share on other sites More sharing options...
jack1962 Posted May 29, 2021 Author Share Posted May 29, 2021 Hi there Temp thanks for the reply, the reason i am a bit confused with it is that on looking at a site Building.co.uk, it has an article on OSB and it states that all boards should have various markings on them to identify manufacturer , ce marking , panel type, thickness etc etc Link to comment Share on other sites More sharing options...
Nickfromwales Posted May 29, 2021 Share Posted May 29, 2021 At the very least, they should say “this side up” Link to comment Share on other sites More sharing options...
Onoff Posted May 29, 2021 Share Posted May 29, 2021 Have you turned it over? ? Link to comment Share on other sites More sharing options...
MikeSharp01 Posted May 30, 2021 Share Posted May 30, 2021 If this is going to be a structural part of the build you will probably need to be able to show it is OSB 3 to whoever is giving you the structural warranty. In the current climate I would want a water tight (pardon the pun) guarantee it is OSB 3 and I am not sure the delivery / note invoice is enough as in the current materials shortage climate. Was there anything on the outer wrap of the pallet? Link to comment Share on other sites More sharing options...
jack1962 Posted May 30, 2021 Author Share Posted May 30, 2021 Hi Mike , no it came banded and shrink wrapped. Yes it is for the outer sheathing on the external timber panels and for some racking load bearing internal panels. Link to comment Share on other sites More sharing options...
Russell griffiths Posted May 30, 2021 Share Posted May 30, 2021 Did you want metric, Will this line up with fixing points, most osb is still imperial so 2440x1220, metric is slowly coming through. Link to comment Share on other sites More sharing options...
Temp Posted May 30, 2021 Share Posted May 30, 2021 16 hours ago, jack1962 said: Hi there Temp thanks for the reply, the reason i am a bit confused with it is that on looking at a site Building.co.uk, it has an article on OSB and it states that all boards should have various markings on them to identify manufacturer , ce marking , panel type, thickness etc etc My guess is they sent you wrong stuff, possibly due to shortages. If you go to the BM and the OSB 3 they have is marked you will know something like that has happened and can argue with them. Link to comment Share on other sites More sharing options...
jack1962 Posted June 1, 2021 Author Share Posted June 1, 2021 On 30/05/2021 at 13:54, Temp said: My guess is they sent you wrong stuff, possibly due to shortages. If you go to the BM and the OSB 3 they have is marked you will know something like that has happened and can argue with them. I have been told it is structural Grade and their source is Kronospan, though i am still waiting on a reply as to whether or not it is OSB2 or 3 and as to why they do not have stamped identification on them. I have also sent a query to Kronospan in UK. I will also speak to Building control for their thoughts on it as i am half way through constructing the timber frame panels but i am not to keen on sheeting them yet until i get some more info. The last thing i want is to have the ground floor erected and be told it is not adequate. Link to comment Share on other sites More sharing options...
jack1962 Posted June 1, 2021 Author Share Posted June 1, 2021 On 30/05/2021 at 07:18, MikeSharp01 said: If this is going to be a structural part of the build you will probably need to be able to show it is OSB 3 to whoever is giving you the structural warranty. In the current climate I would want a water tight (pardon the pun) guarantee it is OSB 3 and I am not sure the delivery / note invoice is enough as in the current materials shortage climate. Was there anything on the outer wrap of the pallet? Hi mike i have been told it is structural grade and sourced from Kronospan, though they have not stated as yet whether or not it is OSB 2 or 3. I have e-mailed Kronospan to query is this the way the normally send their materials out of production and how could i tell what grade it is other than being told so by Builders Merchant Link to comment Share on other sites More sharing options...
Onoff Posted June 1, 2021 Share Posted June 1, 2021 If it's just to get past BC you could always stencil it yourself... ? I know a man who does laser engraving/cutting of such things! Link to comment Share on other sites More sharing options...
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