Cutting Decorative Lines In Concrete

Score lines do not have to be as deep as control joints is sufficient whereas joints must be cut to 25 the slab s depth.

Cutting decorative lines in concrete.

These lines are called contraction lines and this is going to help in relieving the stress that is going to cause the cracks that are going to be present in the concrete. Joints shall be spaced at 24 to 36 times the slab thickness but this need to be confirmed by a structural engineer. The most common cuts are about 1 8 wide and 1 4 deep although exact dimensions may easily be adjusted by the contractor if the customers wishes. If you know you want a scored pattern before your concrete is poured a groover can be used to make the lines in the fresh concrete instead of using a saw.

Mark the places you want to cut on the concrete slab either using chalk line good for long straight edges or chalk. It is recommended to start saw cuts on or at the center of column lines. You ll ideally run a trickle of water. Abrasive corundum masonry blades are inexpensive under 5 for a 7 in.

Blade widely available and capable of cutting through concrete stucco and asphalt. Saw cut patterns can range from geometric grids and shapes to intricate detailed pictures. Decorative concrete saw cutting is a way to give concrete aesthetic value. Another time when you may not want to cut as deep would be if you have heating lines or other objects in the floor.

Where to saw cut concrete. Back in the dark ages of decorative concrete one had to use dangerous and imprecise tools to score lines. Decorative concrete scoring lines are generally made with a guided angle grinder or concrete saw fitted with a diamond blade and a dust free vacuum attachment. They re affordable but not fast in most situations they re capable of cutting only shallow 1 4 to 1 2 in.

Passes so any cut is time consuming. Decorative concrete has come a long way in just a few decades. If you plan to put in decorative concrete cuts the you simply just need to score the surface in between all of your regular cuts. Decorative saw cutting also.

Apply the line as thick as possible.