There are three common types of concrete sawing methods.
Saw to cut concrete slab.
Again you will have to change the blade to either a carbide or diamond tipped variety.
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.
Do not attempt to cut a concrete slab with a blade meant for wood.
When plumbing fails beneath a slab on grade foundation cutting away the existing floor to make repairs is necessary.
It is recommended to start saw cuts on or at the center of column lines.
Use a table saw.
A 14 wet cutting blade attached to a concrete cutting.
In this video we are cutting concrete with a circular saw aka skil saw.
In these cases consider using a lightweight saw that allows you to cut within a few hours after final concrete finishing.
Before you start saw cutting concrete is important to select where these cuts will be done.
If you have access to a table saw use it to cut the pavers.
Try a concrete saw.
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.
Sometimes concrete cracks before the saw can cut the joint without causing raveling.
Following is a rundown of common concrete cutting tasks from dinky to monster sized and the best tools and techniques for handling them.
This method can level out damaged pavement.
To cut concrete with a 15 amp circular saw start by using chalk to mark cut lines on the surface of the slab.
Most of the battle can be won by simply selecting the right tools.
The prospect of cutting concrete can be daunting but it doesn t have to be.
Where to saw cut concrete.
The blade that i am using is a bosch db741c 7 inch premium segmented diamond blade.
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.
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.
Flat sawing wall sawing or hand sawing.
Most table saws have more power than a hand held saw so one pass ought to do the trick.
Joints shall be spaced at 24 to 36 times the slab thickness but this need to be confirmed by a structural engineer.
Knee pads and shin protectors will further protect your legs.
Flat sawing which is also referred to as slab sawing is the process of cutting the upper portion of concrete to create an even plane up to 24 inches in depth on average.
