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Plasterboard - What to use where?


Triassic

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Having looked over the Building Regulation plans produced by my Architect, I'm confused as to what type of plasterboard I should be used where, as the blurb on the plans doesn't go into any detail? Is there any particular Building Regulation rule I should be following, or it as simple as use 12mm throughout?

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If you use 12.5 mil boards on the cielings 

All endges need to be supported 

Best to use 15 mill TP boards 

on the cielings As you can set your joists or trusses at 600 without any need for noggings 

Foil back boards to underside of trusses and any flat roofs 

With the exception of bathroom cielings 

No one does a foil  back Moister 

So bc will accept either in 15 mil to bathrooms I ideally go with moister 

Moister 12.5 boards to bathroom walls 

and personal choice for wall Soundblock etc Or just 12.5  wallboards 

Abito boards are worth looking at 

Bit pricey Allow an exstra 60% for labour 

No good for fit and dab 

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17 hours ago, nod said:

 

Foil back boards to underside of trusses

I was wondering, in a highly insulated new build with cathedral ceilings,  would you recommend I use foil backed plasterboard for the cathedral ceiling sections?

 

 

 

Edited by Triassic
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I uses standard taper edge 12mm everywhere, except bathroom the green water resistant version and garage, the 15mm pink fireline 2 layers.

 

Skimmed by my plasterer with 2 coats of multifinish.

 

All edges secured, nothing left to chance.

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So yesterday I rang round about five plasterboard suppliers.

 

I need 580 (8x4) boards, so the first calls were to a large national distributor, i then called Jewsons, Buildbase, C W Berry and finally my local family owned BM. Guess what,  the local BM was cheapest,   their 12.5mm is £4.87 a sheet and the 15mm £6.10 a sheet.

 

Maybe if I should see if I can get the smaller format boards for the same price as they’ll be easier to handle.

 

 

 

Edited by Triassic
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7 hours ago, Oz07 said:

Would of thought you'd get better price on that quantity @nod? Got to be a few pallets worth there

Not loads better than Wickes 

Where I gain over Wickes Os the more specialised boards moister sb insulated 5 mil etc 

I think I’m about £4 cheaper on SB 

Its a mans wages for the day on 50 boards 

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10 hours ago, Triassic said:

So yesterday I rang round about five plasterboard suppliers.

 

I need 580 (8x4) boards, so the first calls were to a large national distributor, i then called Jewsons, Buildbase, C W Berry and finally my local family owned BM. Guess what,  the local BM was cheapest,   their 12.5mm is £4.87 a sheet and the 15mm £6.10 a sheet.

 

Maybe if I should see if I can get the smaller format boards for the same price as they’ll be easier to handle.

 

 

 

 

I think if you catch Wickes with all their discounts lined up, and use a Reloadable Cash Card e.g. From your employer or Westfield Rewards, you may beat that by 5-10%, but you would need to wait for the day. I am not sure if they still do a standard bulk 5 for 4 type discount on plasterboard, however,

 

Consists of £7.20 base price for 8x4 12.5mm

10% off for Trade Account.

5 for 4 if they still do this, and I have not bought plasterboard recently enough to have seen it 

5% extra for Trade Customers via the newsletter e.g. There was one last week

10% off for the reloadable cash card.

 

They may have deals for the monthly offer, Half Term or Easter.

 

Ferdinand

Edited by Ferdinand
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38 minutes ago, Russell griffiths said:

Is it possible to buy sheets bigger than 2.4m

When  I got given my last lot of plasterboard there were a bunch of slightly larger boards than standard , not sure of the size as it’s stacked in the shed but definitely bigger........ sure @nodwill know !

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29 minutes ago, Russell griffiths said:

Is it possible to buy sheets bigger than 2.4m, I do find the English sizes a bit pathetic to say the least, when are we going to catch up with the rest of the world. 

 

Travis Perkins do 2.7m. I had them in green, moisture resistant for the bathroom. Why you may ask?

 

Because some idiot when he put his new ceiling joists in ended up with 2470mm as a room height and didn't want silly little bits of pb at the top/bottom.

 

"He" didn't appreciate the knock on of this meant silly bits of TILE...

 

:ph34r:

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On 07/02/2019 at 17:49, nod said:

Yes foil Or a bg foam backed 

Board 

Tapered edge are better 

I not sur why square edge are sold anymore 

more thickness to put screws in edges and unless you on std 8ft ceilings  you going to have some joints anyway  . if doing a proper finish coat it don,t matter anyway

tapered edges were made to allow just filling joints and sanding  --for cheapness .

a proper plaster job should not need any sanding when finished   if he polished it correctly

 and square edges won,t phase a REAL plasterer at all,

Edited by scottishjohn
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If you doing a near passiv self build ,why skimp on plasterboard -use 15 mm though out --will just improve sound proofing and insulation value.

you spend 10k on an insulated slab then penny pinch on plasterboard --no sense to me.

 

Edited by scottishjohn
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A lot of the choice is what it the standard stock in the BM.  Here it's standard metric sheets with taper edge. Anything else costs more.

 

Taper edge is indeed designed for tape and fill, but won't phase a plasterer. Mine just skimmed the tapered joints while setting out the corner beads then that was dry enough for the top coat.

 

The main drawback of 15mm is the extra weight. Okay of you have a lifter but otherwise I would only use where there is a real need.

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I have used 

2.4m

3.6m

4.8m

6.0m 

i cant understand if you have a 4m wide room we have to have a bloody join in it. 

Even in the wet rooms the cement board comes in 3m,go from floor to ceiling no joins in a 2.7m high room. 

 

And ive used  boards 1.35m wide so you can put two boards horizontal for a 2.7m ceiling. 

 

 

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2 minutes ago, Russell griffiths said:

I have used 

2.4m

3.6m

4.8m

6.0m 

i cant understand if you have a 4m wide room we have to have a bloody join in it. 

Even in the wet rooms the cement board comes in 3m,go from floor to ceiling no joins in a 2.7m high room. 

 

And ive used  boards 1.35m wide so you can put two boards horizontal for a 2.7m ceiling. 

 

 

sourced in UK?

was not aware you could special order drywall at those sizes

Edited by scottishjohn
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1 hour ago, scottishjohn said:

more thickness to put screws in edges and unless you on std 8ft ceilings  you going to have some joints anyway  . if doing a proper finish coat it don,t matter anyway

tapered edges were made to allow just filling joints and sanding  --for cheapness .

a proper plaster job should not need any sanding when finished   if he polished it correctly

 and square edges won,t phase a REAL plasterer at all,

You can get 2.5 2.7and 3000 boards To eliminate joints Or just add T bar No chance of cracking 

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