Table of Contents
How much water do I mix with Thistle Hardwall?
Using Thistle Hardwall onto breeze blocks (internal wall). No Nonsense PVA suggests 3 PVA to 1 Water for concrete or mortar application.
How much water is in a Hardwall bag?
The manufacturers state 15 litres of water to a bag.
When should you flatten plaster?
When the plaster is becoming cheesy in consistency (another 15-30 minutes later, depending on how quickly you got the first coat on, going the way to Play-Doh or putty in consistency), take your clean trowel and flatten the plaster as well as possible, with the trowel at a shallow angle.
Is SBR better than PVA?
One key difference is that, whereas PVA remains water soluble after drying, once dry SBR is not. Consequently, the SBR bonding agent is more suitable for situations where damp might be a factor, such as external finishes, shower areas and swimming pools, as well as in sand or cement screeds and renders.
Can you tile straight onto Hardwall?
If you are part tiling a wall of hardwall, you are obviously better to skim it all. If you want a surface to tile, sand and cement is the one, but any sound skimmed surface will do you. You can tile onto hardwall and it will last, and you can get hardwall closed in good enough with fat to help the tiler.
How much does a bag of Hardwall coverage?
Thistle HardWall
| Order Code | Nominal bag weight (kg) | Approx coverage (m²) |
|---|---|---|
| 06110/3 | 25 | 3.0 |
Does Hardwall go off?
Kitchy said: Mate hardwall goes off quick in the best of times is it really worth it in using 2 bags!Mar 3, 2016
Can I plaster straight onto brick?
Plastering directly to bare brickwork or blocks, known as ‘wet plastering’, is still favoured by some for its superior soundproofing. A cement render or gypsum backing (known as a scratch coat) is first trowelled directly onto blockwork before this is finished with a thin skim coat.
Can you put Hardwall on plasterboard?
Hardwall Plaster: Hardwall is similar to Browning except that it offers a higher impact resistance and quicker drying surface. Board Finish: Board finish plaster is used on surfaces with low – medium suction. Plasterboard and Dry-Coat plaster will accept Board Finish well.
Do I need to PVA between coats of plaster?
You want the diluted PVA to be sucked into the plaster to create a good bond between the plaster and whatever it is you’re applying on top of the PVA. If your plaster is not completely dry, the PVA will sit like a layer on top of it. The only way it’ll get sucked in is if the plaster is bone dry.
How long does Hardwall take to go off?
Bonding about 2-3 hours, but some do leave it to following day before skimming depends on size of area. The 3-4 days is a guide, the colour of the plaster will tell you when it’s dry enough to paint.
Can you tile on Thistle bonding?
No, tiles should not be applied directly to Thistle undercoats, with the exception of Thistle DriCoat.
Can you tile over multi finish?
At least its new plaster so if it’s been applied correctly, then it’s unlikely to delaminate. Make sure it’s dried out well, couple of coats of primer then off you go. You’ll need flexible tile adhesive (bagged) for porcelain.
What can I use instead of bonding?
What is another word for bonding?
| adherence | adhesion |
|---|---|
| stickiness | linkage |
| bond | hold |
| sticking power | unity |
| solidarity | togetherness |
Can HardWall be used on external walls?
On an external wall that is single brick you must use sand and cement. out of line etc Straight walls, pre-mix plaster, hardwall etc or sand and cement(lime aswell). Use multi finish for top coat. PS walls will need to be prep with PVA or build grit depending on surface requirements.
Can you plaster over wet Hardwall?
You can plaster directly over hardwall the day after. As Wine~o said, pva either day before or prior to skimming. Try not to over saturate the hardwall as it will blister. Blue Grit will give a much longer workable time.
Do you need to PVA before Hardwall?
4 Answers from MyBuilder Plasterers You should put PVA on, but you cannot tile onto hardwall. It will need to be gone over with multifinish and then allowed to dry. A tiling sealer (not PVA) should then be applied prior to fixing tiles.
What happens to out of date Hardwall?
This means when usuing a bag of plaster (multi/board finish) that is truley out of date, will result in a mix that will set within about 10 mins. This means when usuing a bag of plaster (multi/board finish) that is truley out of date, will result in a mix that will set within about 10 mins.
How long does Thistle Hardwall take to dry?
Allow Bond Coat to dry for 45-90 minutes depending on the thickness and environment that it’s drying in. When its no longer wet to the touch you are ready for the finish coat of plaster.
Can you tile on Carlite bonding?
Can you tile on Carlite bonding? I spoke to the plasterer this afternoon and he has told me that carlite bonding is perfectly ok to tile on providing the suction has been neutralised by applying something like Bal Bond SBR prior to tiling.
What’s the difference between bonding and Hardwall?
bonding is a undercoat plaster for low suction background like concrete. hardwall has high impact resistance and is quicker drying.
Does bonding plaster go off?
It wont fall off the wall if you can manage to get it on there before it goes off but once it’s gone, it can set virtually as your mixing it or even worse, just as you’ve laid it on.
How thick should Hardwall plaster be?
When a substantial area is covered, Thistle Hardwall is worked and ruled as in hand plastering. It is easier to attain the required thickness of plaster in one application by machine, but the total thickness should not normally exceed 25mm (subject to background suitability).
