1) Prep your space:
Remove all loose pieces and debris, make sure all screws and nails are flushed or pushed into a dimple.
2) Line your bucket:
Lining the bucket you’ll be mixing in with a bag will help make clean up easy.
3) Mix Plaster into Water:
This will help ensure the right consistency. The plaster should be wet but still stick to your trowel when turned upside down.
4) Types of Plaster Mix:
Premixed joint compound: Good for small areas like holes and cracks. Fast drying but not as strong. Already the right consistency.
90 min/45 min/20 min: Good for larger areas, slow drying but strong. You need to mix to the right consistency.
Fill any spaces and gaps with plaster before applying any tape or beading.
6) Paper vs Mesh vs Metal:
Paper: Not as strong as mesh but creates a stronger joint since it is non elastic. Great for inner edges.
Mesh: Easier to use then paper and stronger but can get cracks due to its elasticity. Great for flat surfaces.
Metal: Sturdy and solid. Good for outer edges.
When taping edge to edge make sure to leave a 1/8” space at the ends. This will ensure when the house settles the plaster will not crack.
Apply two coats and lightly sand between each coat. Do NOT touch between coats until the plaster is fully dry.