Patching Concrete Rendered Wall

Using a sponge lightly rub the render to achieve the desired effect and to blend with the existing material.

Patching concrete rendered wall.

Excellent workability with a render texture finish. The methods discussed in this article can be used to repair minor non. Hacking off old render raking out the joints cleaning down the wall and then applying a new 22mm cement lime sand render in two coats to a masonry wall will cost in the region of 68 m. Filling cracks in render.

Render joint and patch has superior workability and it s texture will provide a seamless result when used for patching existing render. Fill a cartridge with the mixture and load into a cartridge gun. For cracks up to 1 2 inch wide in horizontal concrete surfaces concrete crack sealants and caulk based concrete fillers will be the best option. However for cracks wider than inch quick setting cement based fillers are advisable to use.

Allow this to dry for several hours. Once dry run your hand over the finish and feel for an abrasive or. Apply the render using the filling knife to the required depth max. Apply a coat of sealer to the concrete rendered wall if the render is made of acrylic.

Avoid feathering out too thin. Remove the masking tape and any excess material and allow to dry. Ensure the mixture doesn t overlay the existing render but form a protruding nib of material 2 3mm in front of the line of the existing render. Cut the nozzle to the width of the crack and apply a bead of the mixture into the crack.

Ready mixed easy to apply. Repairing cracks in a concrete wall is a simple procedure that can usually be completed within a day or so.