Here’s a quick guide to the different types of plaster you typically use for home DIY jobs. You should be able to buy each of these from your local DIY store.
Bonding Plaster: Bonding is an undercoat plaster. This means it is the first coat, or undercoat to be applied to a new (or to be patched) wall. When it is trowelled off, it is scratched with a nail to give a “key” for the top coat, or finish plaster to adhere to. Bonding plaster has incredible “stickabilty” and does not rely on an absorbent surface to bond to.
Browning Plaster: Browning plaster is also an undercoat plaster for use on more absorbent surfaces.
Hardwall Plaster: Hardwall is similar to Browning except that it offers a higher impact resistance and quicker drying surface.
I hope this helps with your project.
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