Do not mix more than you can use in about half an hour. For most people this is a 40-pound (just under 20 kg) bag that will cover about 35 square feet (. Proper preparation of the area is the essential first step when starting any type of concrete repair. The products you use will only be as good as the conditions below them.
Removing any crumbling waste is key, and while there is more than one way to do this, using an electric sprayer can be a big help. Another important step is to remove anything that may hinder the mortar adhesion process, such as grease, paint or oil that has previously been in contact with the area. Pour enough dry concrete mix into a 5 gallon bucket to repair any cracks and repair damaged areas. Sand mixture or concrete resurfacing, which does not contain gravel, can be used if the area to be repaired is not large or deep.
A standard concrete mix containing gravel works best for patching large or deep areas. When the concrete starts to set, a broom with an extended handle can be used to give the surface a little texture. If you are not sure of the structural integrity of your entrance, ask a professional to assess the condition of the concrete and make recommendations for repair. Wearing a respiratory mask and goggles to keep concrete dust in the air at bay, sand the entire surface in several passes with a hand grinder equipped with a series of diamond pads.
Protect the new look of your countertop with a sealant such as Quikrete's Concrete %26 Masonry Waterproofing Sealant, which will prevent damage from acid spills, such as vinegar or lemon juice. Then apply a good penetrating dye like Quikrete's Penetrating Concrete Dye to the sanded surface to enhance the natural beauty of your countertop with one of a variety of rich shades. You can use a utility broom to add texture that will prevent concrete slabs from becoming dangerously slippery when wet. Diligence in maintaining or replacing worn areas in concrete is crucial to the overall strength and longevity of the cemented area as a whole.
Instead of tearing up concrete and starting over, you can often save money by repairing your driveway, as long as the concrete is structurally sound. Improper preparation of subgrade, poor concrete mixing or shrinkage during curing are factors that can cause cracks and result from improper initial installation of a driveway. This colored concrete driveway was streaked and faded due to weather exposure and improper maintenance. Fixing a crumbling driveway is pretty simple with great products and a solid understanding of the process.
As cool to the touch as they are to the eye, concrete countertops offer a modern yet sturdy work surface for the kitchen, a space where concrete will inevitably succumb to stains and scratches over time. The Concrete Rejuvenator is made with Portland cement and a unique blend of polymers and additives that give it greater strength and durability. Spray the cleaner onto the concrete surface with a low-pressure nozzle following the instructions on the container. In this project, the concrete driveway was dyed in a warm walnut shade to accentuate existing cracks and give it a rich leather-like appearance.