To make a zeroclearance base cut a scrap piece of 1 4 hardboard to match the size of the saw s base plate.
Cutting plywood floor with circular saw.
How to cut plywood.
Since this circular saw cutting jig gets placed up against the cut line it makes it much faster than other cutting guides that require you to offset the guide some distance.
Spike carlsen an editor for the family handyman will show you how to cut construction grade plywood and finish grade plywood with a circular saw in our video tutorial.
However whereas the base plate of a standard circular saw prevents workers from cutting flush against a wall the masonry wall saw s base is designed to allow builders to create cuts at the intersection of walls and floors.
Circular saws can be tricky to handle on plywood.
Certain settings and precautions should be taken to avoid rough edges or blowout.
When you cut plywood with a circular saw then.
However this is a potentially dangerous technique if not done properly.
How to cut plywood with circular saw.
When cross cutting plywood with a circular saw flip the good side over so that it s on the bottom.
Then retract the saw blade above the base and attach the zeroclearance plate using double face tape or screws if the base has mounting holes.
As with the table saw the blade must be appropriate for cutting plywood.
Make certain the edge of the insert on either side is flush with the base plate edge.
We recommend using at least 80 tooth blade and for best performance we recommend this 140 tooth dewalt blade.
If you have to cut with the good finished side up reduce potential scratches by taping the bottom of the saw base photo 1.
Adjust your circular saw cutting depth to be just below the material.
Adjust your saw blade depth.
Of all the tips i can give you this one helped me the most.
A circular saw is ideal for plunge cutting a hole into the middle of a plywood sheet.
If you already own a circular saw this simple to make zero clearance circular saw guide will help you make accurate rip and cross cuts in full 4 x 8 sheets of plywood.
Most tear out will occur on the top of the cut when using a circular saw so whatever tear out you encounter should be on the bad side if you flip it upside down.
I do about 1 4 so for ripping 3 4 thick plywood i set my blade to about 1 depth.
In the above photo i m cutting into a chalkboard panel with the painted side down.
Specially designed to cut through masonry materials for prolonged periods the masonry wall saw typically resembles a standard circular saw.
