Stucco Finish On Concrete Walls
When placing plaster over insulating concrete forms icfs it is recommended to treat this substrate as any other sheathed system.
Stucco finish on concrete walls. On the other hand to obtain a float finish you ll need to apply the stucco mix by troweling with a plastering float. Mix the stucco with water according to the packaging instructions. Selecting various types of sand will impact the finished color of the stucco when it cures on the foundation wall. Apply the stucco mixture to the wall using a hawk and trowel or by spraying it on covering the entire wall.
Sometimes a heavy sand stucco finish can look like a thin dash finish. Stucco on concrete pre cast poured in place and tilt up placing portland cement plaster on concrete structures is a fairly simple process and successful application provided a few preliminary steps are taken to ensure bond. Work from the top and make your way down. Concrete masonry surfaces are both absorbent and textured two things necessary for bond.
The stucco should be the consistency of a. A typical stucco mixture is one part of cement to three parts of sand and one half part of lime. Once the coat is applied. Stucco can be applied directly to any masonry based wall such as brick concrete or cinder block.
Apply a coat of concrete bonding agent to the concrete surface using a paintbrush. Besides their looks their application method varies as well. Stucco similar to concrete can be colored by adding pigments to the mixture. Stucco can be applied to wood sheathed walls in typical frame construction by adding a metal lath over the wood.
This is generally not a concern with new walls. The first coat application is important to be done carefully as it forms the base of this finish. How to apply stucco to concrete step 1. It s usually finished in a rough texture.
Allow it to dry completely. This will cover the voids and reduce the chances of the material sagging. If contamination is present on the substrate surface good bond is inhibited. For a dash finish you ll need to spray the mix onto the wall.
Procedure to follow clean the wall. Stucco is a popular and cost effective finish. A stucco wall must be supported by some load bearing material such as wood or concrete. Try to maintain a 1 16 to 1 8 depth when spreading the stucco on the wall.
No matter whether the wall is constructed recently or is old you need to give it a thorough wash which.