Saw To Cut Concrete Slab
A 14 wet cutting blade attached to a concrete cutting.
Saw to cut concrete slab. To cut concrete with a 15 amp circular saw start by using chalk to mark cut lines on the surface of the slab. It is recommended to start saw cuts on or at the center of column lines. A 7 circular saw for instance can only cut to 2 inches deep meaning you ll need to sledgehammer the rest of the concrete away. There are three common types of concrete sawing methods.
Before you start saw cutting concrete is important to select where these cuts will be done. The prospect of cutting concrete can be daunting but it doesn t have to be. Next set the saw s blade depth to 2 inches and attach a 7 inch diamond blade using vice grips so that the teeth point in the opposite direction of movement. The blade that i am using is a bosch db741c 7 inch premium segmented diamond blade.
Again you will have to change the blade to either a carbide or diamond tipped variety. Joints shall be spaced at 24 to 36 times the slab thickness but this need to be confirmed by a structural engineer. Flat sawing wall sawing or hand sawing. In these cases consider using a lightweight saw that allows you to cut within a few hours after final concrete finishing.
Where to saw cut concrete. When plumbing fails beneath a slab on grade foundation cutting away the existing floor to make repairs is necessary. Use a table saw. Do not attempt to cut a concrete slab with a blade meant for wood.
This method can level out damaged pavement. Most table saws have more power than a hand held saw so one pass ought to do the trick. Sometimes concrete cracks before the saw can cut the joint without causing raveling. Concrete saw cutting overview.
Following is a rundown of common concrete cutting tasks from dinky to monster sized and the best tools and techniques for handling them. Most of the battle can be won by simply selecting the right tools. Try a concrete saw. Of course wear protective gear when cutting concrete a heavy long sleeved shirt pants steel toed boots gloves face shield hearing protection and a dust mask.
Whether you re cutting concrete blocks slabs walls or floors using the right equipment and techniques will make the job easier safer and more precise. If you have access to a table saw use it to cut the pavers. In this video we are cutting concrete with a circular saw aka skil saw. Using this equipment you can place concrete in the morning then cut the slab during regular working hours the same day.