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Can you use bonding coat on plasterboard?

The best plaster to use will be Bonding Coat as you mentioned. It is absolutely fine to use in bathrooms – but you are right – not good in damp situations. To put it into context – standard plasterboard is the same – this will also not withstand continued dampness but is fine on a bathroom ceiling.

Can you use undercoat plaster on plasterboard?

It is the most often used undercoat plaster these days, and can be applied to most masonry surfaces. Plasterboard and Dry-Coat plaster will accept Board Finish well.

What is Thistle undercoat plaster used for?

Thistle Undercoat Plaster is a gypsum-based undercoat plaster suitable for low suction backgrounds such as brickwork, block-work or concrete, Gyproc plasterboard, expanded metal lath or surfaces treated with bonding agents.

Do I need to PVA before bonding coat?

If, however, the bonding cost is pretty smooth and hasn’t got a good ‘key’ for a finishing coat to adhere to then there’s no harm in putting PVA on. You won’t need to re-moisten it before the finishing coat as long as it’s tacky, if it’s not then put another coat of 50/50 PVA/water on. Hope this helps!

How long does Thistle bonding take to dry?

24 hours
ThistleBond-it should be allowed a minimum of 24 hours drying time, however, this can be dependent on both environmental conditions and ventilation. ThistleBond-it should be stored in a dry, cool and frost-free environment.

What is the difference between bonding and Browning plaster?

bonding is a undercoat plaster for low suction background like concrete. hardwall has high impact resistance and is quicker drying. browning is a undercoat plaster for moderate backrounds with adequate mecanical key.

What is Thistle DRI coat?

Thistle DriCoat is cement-based with waterproofing additives, which restrict the migration of these salts from the background through the plaster and helps to limit any detrimental effect on internal decoration. Thistle BoardFinish is the recommended skim finish plaster for use over Thistle DriCoat.

What’s the difference between Browning and bonding?

Bonding is a undercoat plaster for low suction background like concrete. Hardwall has high impact resistance and is quicker drying. Browning is a undercoat plaster for moderate backgrounds with adequate mechanical key. A lot of plasterers now seem to use Hardwall.

What is bonding coat used for?

Bonding helps plasterers achieve a smooth finish by providing a key as it simply sticks well to the surfaces it is applied to. In addition to using bonding plaster as a base coat for surfaces which will be plastered with a skim layer or polished afterwards, it can also be used on surfaces like concrete too.

How thick can I apply bonding plaster?

Floating coats should be applied at a thickness of 8mm, up to a total plaster thickness of 25mm, and wire scratched between each coat. The final floating coat should be ruled to an even surface and lightly scratched to form a key for Thistle finish plaster, such as Thistle MultiFinish.

What can Thistle bonding coat be used for?

Thistle BondingCoat is an undercoat plaster providing an ideal basecoat, preparing walls for skim finishing. Please note that this item has additional safety or regulatory datasheets available. The product may have possible health and safety hazards covered in these documents.

Which is the best undercoat plaster undercoat?

Thistle Bonding Coat is an undercoat plaster ideal for smooth and low suction backgrounds.

Can you put tile on a thistle undercoat?

No, tiles should not be applied directly to Thistle undercoats, with the exception of Thistle DriCoat. Please refer to White Book Chapter 07 Section 02 Page 09 for more details.

Which is the best base coat for plaster?

Thistle BondingCoat. Thistle BondingCoat is an ideal base coat plaster for smooth or low suction backgrounds such as tiling, concrete, plasterboard or surfaces treated with Thistle Bond-It. The fine mix allows for improved workability, making it easier to spread, rule and darby.