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Wrong Floor!


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Hi I’d be interested in any advice /opinions.

Ive put this question in the SIPs section too. 

 

We are in the process of trying to build our own home. We went with a local company that specialise in SIPs construction. 

 

They have finished the basic shell. Walls/1st floor/roof & stud walls are in place.

 

This is where the fun starts!

It turns out due to an oversight, the company have fitted the wrong floor. 

 

We have joists at 600 centres but only 18mm chipboard floor. Not build regs!

(should be 22mm).

 

They have proposed adding a network of noggins throughout the floor system. 

But as they have used Posi-joists and the current floor is already glued & screwed in place they can only fit L-brackets to support the noggins & not Z-clips. 

 

An alternative could be to lay a second layer floor on-top glued & screwed. This will have a knock-on to our floor height with regards to stairs & doorways. 

 

Apparently ripping up the original and laying the correct 22mm isn’t an option !?  

 

The contract stated 22mm Caberdek 

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I dont know how you should do it but do get your floor right. The cock ups with my floor levels gave us problems right through the build and beyond, on mine (different construction)  it wasn't possible to rectify 100% without taking the house down (so I was told).  Why cant they lift the stuff that is down...glued and screwed too much hassle? Get a second opinion.

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3 minutes ago, Photosolo said:

Hi I’d be interested in any advice /opinions.

Ive put this question in the SIPs section too. 

 

We are in the process of trying to build our own home. We went with a local company that specialise in SIPs construction. 

 

They have finished the basic shell. Walls/1st floor/roof & stud walls are in place.

 

This is where the fun starts!

It turns out due to an oversight, the company have fitted the wrong floor. 

 

We have joists at 600 centres but only 18mm chipboard floor. Not build regs!

(should be 22mm).

 

They have proposed adding a network of noggins throughout the floor system. 

But as they have used Posi-joists and the current floor is already glued & screwed in place they can only fit L-brackets to support the noggins & not Z-clips. 

 

An alternative could be to lay a second layer floor on-top glued & screwed. This will have a knock-on to our floor height with regards to stairs & doorways. 

 

Apparently ripping up the original and laying the correct 22mm isn’t an option !?  

 

The contract stated 22mm Caberdek 

You buy a BMW 5 series car a 3 series turns up, you tell the dealer you want what you ordered are you going to accept its not an option ? 

They've messed up why compromise? On a more practical note and one you should consider I for my sins own a 2 bedroom 1990's shoebox that I rent out the chipboard floor collapsed by the front door and hall way through nothing more than foot traffic.If you settle for second best now your be paying in the future be it creaking floor, acoustics etc.. 

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They haven't fulfilled their contractual obligations, it's as simple as that. Proposing a half cocked unsatisfactory solution that will never be as good as what you have ordered and paid for. Far less painful to put right now, at the supplier's expense, as they have made the error.

Hard to fathom why they didnt figure out the error until the entire floor was laid. Did no one read the spec?

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It seems to me that you have them over a modest barrel.


Dependent on contracts, they need to put you in the position you would have been in if they had not c*cked-up.


Depending on your spec, the loss of height may not be significant.

 

Probably the only solution they can *insist* on is rework-to-spec, and then you should get losses (eg delays) compensated.

 

Alternatively work out what you actually want, and negotiate it. An acceptable compromise, plus the difference in cost between that and the 'replace it' one, plus a compensation sum for time + other resultant costs, should be where the ballpark is.

 

The quickest timewise answer may be a further 18mm floor at right angles, but you may want to run checks with an SE etc.

 

Ferdinand

 

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OK... benefit of hindsight and also practicality (and you getting a "better floor") I would ask them to lay 22mm Caberdeck at right angles to your current floor, fully glued with D4 glue and screwed to the joists below. 22mm is nothing to lose off doors etc and the staircase should be rectified at their cost anyway.

 

Its a quick and simple fix, should take no more than 2-3 days to do and will give you a seriously strong first floor with zero deflection !

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I think the issue that makes this difficult to rectify is that the first floor walls will be built up off the offending 18mm chipboard, which is probably glued to the floor joists, so the chipboard cannot come up without taking out the roof and walls. 

 

Overboarding is the only option. I am keen on 22mm Egger Protect, glued all edges and to the 18mm and screwed. Perhaps get them to compensate for the required door adjustments.

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Having flooring cock-ups under my belt (including losing my trousers in the process)  may I support what @PeterW says. 

Maybe I'm too used to coping with cock-ups, but now, I tend to shrug and get on with it far earlier than before. That doesn't mean I'm satisfied with shoddy work, or that I don't face the issue head on at the time . But lawyers, contracts - they win in the end, nobody else.

I don't pay for shoddy work (any more) either. So come to an agreement about Pete's suggestion if you can, and part company  company if you don't.

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48 minutes ago, Mr Punter said:

Overboarding is the only option. I am keen on 22mm Egger Protect, glued all edges and to the 18mm and screwed

 

Yep - Egger Protect And Egger D4 glue would be my preference too. 

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get them to adjust all door frames after putting the 22mm down.  Move on to the next challenge.  Watch closely - if they've cocked up on something like this then there could be other issues.

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what i can't understand is why they put 18mm down in the first place, it's not like it's an option, which do you want 18/22mm? 400mm c/c - 18mm, 600mm c/c 22mm, it's a standard. it's a new stair unless not yet built, doors, ceiling height, what about building control?

i'm sorry, there's no excuse for a reputable company to screw up so badly, personally i'd want the floor up and 22mm down. are there still monies outstanding to withhold?

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1 hour ago, Mr Punter said:

 

It is not going to happen as the first floor walls are built off it.

and? they're just stud walls. if there's enough money still to be paid they could be forced to do it. it's not an oversight, it's quite an alarming mistake, i'd be wondering what else may be incorrect.

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How about overboarding with a marine grade plywood. 11mm ??

This could benefit you if it is carried through to any bathrooms, as it could be used as a carrier board for floor tiling or other surfaces. 

This could be something that you may have had to do, so could get it done at no cost to you and some cash back as a compensation. 

Edited by Russell griffiths
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