Plastering Interior Concrete Block Walls

A basic plaster is made with a mixture of cement masonry sand and water.

Plastering interior concrete block walls.

Made for interior applications only. Plastering a concrete wall takes time. Step 2 apply a layer of dash. Prior to application of the basecoat uniformly pre moisten concrete masonry surfaces to aid in curing of the plaster.

Caulk cracks and kill any mold on the walls. Parget is spread over the surface of the wall with a trowel and smoothed out to create an even surface that hides the joints between the blocks. The texture of the concrete walls should be sufficiently rough so the plaster will adhere to it. Before you begin to plaster your concrete walls you need to remove peeling paint and flaking bits of old plaster.

Your walls should be free of paint oil and dust so the plaster can bond properly. First in order to successfully plaster a concrete or cinder block wall you need to have aggregate exposed in other words your walls need to be clean and any type of coating removed. While applying plaster is a highly technical process that is usually best left to professionals any homeowner can do it themselves provided they follow a few key guidelines. The main reason for that is that portland cement needs exposed portland aggregate to grab to.

However avoid saturating the masonry either by excessive spraying or by exposure of uncovered masonry walls or units to rain. Plaster is applied to concrete masonry surfaces in two or three coats consisting of basecoat s and a finish coat. This attractive real concrete finish shows the irregularities and characteristics of natural polished concrete. Pargeting is the traditional way of covering up concrete blocks.

Plastering is one of the final steps in finishing an interior or exterior wall. You will have to prepare the wall and allow for curing and drying time between applications of plaster. However different things can be added depending on how you want the plaster to look. Plaster a concrete wall applying plaster to a concrete wall can change its appearance level it make it more moisture resistant and give you the opportunity to add texture.

Plastering or resurfacing concrete walls takes time and patience. Use a wire brush to clean stains left by the mold or mortar joints. Add a layer of cement plaster to unfinished interior breeze block walls in order to add insulation create texture or patch damaged areas. First start with a batch of thick freshly mixed plaster.