Remove the masking tape and any excess material and allow to dry.
Patching concrete rendered wall.
Filling cracks in render.
Cut the nozzle to the width of the crack and apply a bead of the mixture into the crack.
However for cracks wider than inch quick setting cement based fillers are advisable to use.
Fill a cartridge with the mixture and load into a cartridge gun.
Avoid feathering out too thin.
Allow this to dry for several hours.
Render joint and patch has superior workability and it s texture will provide a seamless result when used for patching existing render.
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.
Apply the render using the filling knife to the required depth max.
Excellent workability with a render texture finish.
Using a sponge lightly rub the render to achieve the desired effect and to blend with the existing material.
Repairing cracks in a concrete wall is a simple procedure that can usually be completed within a day or so.
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.
Once dry run your hand over the finish and feel for an abrasive or.
Apply a coat of sealer to the concrete rendered wall if the render is made of acrylic.
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.
Ready mixed easy to apply.
The methods discussed in this article can be used to repair minor non.