Plastering Interior Concrete Block 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.

Plastering interior concrete block walls.

Learn how to plaster up an aerated concrete block wall find more videos on plastering and wall decoration in the full program available for free on our websi. 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. 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. Caulk cracks and kill any mold on the walls.

Pargeting is the traditional way of covering up concrete blocks. You will have to prepare the wall and allow for curing and drying time between applications of plaster. Plastering or resurfacing concrete walls takes time and patience. Plastering is one of the final steps in finishing an interior or exterior wall.

A basic plaster is made with a mixture of cement masonry sand and water. Your walls should be free of paint oil and dust so the plaster can bond properly. The texture of the concrete walls should be sufficiently rough so the plaster will adhere to it. Plastering a concrete wall takes time.

First start with a batch of thick freshly mixed plaster. However avoid saturating the masonry either by excessive spraying or by exposure of uncovered masonry walls or units to rain. Made for interior applications only. Add a layer of cement plaster to unfinished interior breeze block walls in order to add insulation create texture or patch damaged areas.

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. This attractive real concrete finish shows the irregularities and characteristics of natural polished concrete. Before you begin to plaster your concrete walls you need to remove peeling paint and flaking bits of old plaster. The main reason for that is that portland cement needs exposed portland aggregate to grab to.

Use a wire brush to clean stains left by the mold or mortar joints. This material is made of lime sand and water and is essentially the same product as what is put between the blocks when the wall is built. However different things can be added depending on how you want the plaster to look. Plaster is applied to concrete masonry surfaces in two or three coats consisting of basecoat s and a finish coat.