Interior Plaster – Types, Methods & Choosing Right

A guide to interior plaster: cement, gypsum and spray plaster, leveling walls and ceilings, and perfect preparation for paint.

Interior plaster is the layer that levels walls and ceilings and prepares them for paint and cladding. Quality plaster creates a straight, smooth surface from which every finish begins, while poor plaster reveals waves and cracks that are hard to hide later.

Types of interior plaster

Traditional cement plaster is strong and durable and suits any space, gypsum plaster gives an especially smooth surface for paint, and spray plaster speeds up work on large areas. The choice depends on the wall type, the required finish level and the timeline.

Application and leveling

Correct plaster is applied in layers with leveling guides, wetted for curing and timed correctly between layers. Precise leveling at this stage saves thick, unnecessary filler layers later.

The transition to paint

Well-leveled, cured plaster is the ideal base for plaster and paint. Outdoors, plaster is part of the envelope works that protect the building. Professional execution ensures a straight, crack-free wall for years.

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