Set the kraftmaid molding on the miter saw with the top of the molding resting against the saw table and the bottom of the molding resting against the saw fence. Arrange the crown molding inside the carpenter’s square so that both the top and bottom flats of the molding are flat against the square.
Draw a line along the back of the crown.
How to cut backer board for crown molding. That dimension is the width of the backer board. Using a pen or a pencil, trace the inside triangle made by. Measure the length of the diagonal line, then subtract 1/8 in.
Mark and cut as many 2x4s as you need, then nail them to the studs. Cyanoacrylate glue cures into a strong bond within seconds. You can shoot as many nails as you want to assure the backer if firmly attached to the studs or wall plates, as it will never show anyway.
7″ crown is too wide to be cut by a 10″ compound miter saw, or so i thought. Cut the first strip square on both ends and nail into the backer blocks. Cut the molding to size on the saw.
When cutting vertically nested, make sure to rest the bottom of the molding against the fence against the table. Cut the first strip square on both ends and nail into the backer blocks. Richard fesses up that his tip is not that cool, right upfront.
Make sure both flats of the crown are hitting the framing square and see how much space you have behind the crown. For corners, cut the molding on. Especially with bevel angles, it’s tough to see exactly where the blade will cut the workpiece.
Set top edge of molding against fence, miter 31.62° right, save right piece. You can either cut it vertically or laying it flat. Now fit the copes one at a time.
If you don't if will interfere with your crown end that butts into the wall. Avoid the hassle by cutting the molding about 1/4 to 1/2 in. How to make backer blocks for crown molding.
Begin by measuring down from the ceiling to mark the location for the top of the backer board, piece e.in. With crown molding, getting the angle right usually causes the most difficulty. This is how the crown molding will look when installed.
When you cut laying flat, you have to measure the spring angle. That way, the backer strip will be slightly narrower than the gap behind the crown, and the molding. Installing crown molding day 4 and 5:
You’ll need a carpenter’s square, a small piece of the crown molding, a paper, and a pen. There are two ways to cut wood crown molding. Depending on the size of the hollow behind your crown, cut or rip some scrap board, plywood or even strapping, then nail it along the top edge of the wall against the ceiling.
Monday and tuesday nights i finally made it to the actual installation of the crown molding for the project. Take a scrap piece of crown moulding about three feet long and straight cut each end and place one end in a corner of the room and screw (don't nail) to the backer board (make sure the bottom is at the correct distance by using the gauge and tape in the corner). Then cut it into two pieces.
(2) clamp a board to the miter saw to create a simple, consistent way to hold crown in place as each piece is cut. The first step to installing this crown profile is to locate the studs and joists behind the wall surface so the trim can be nailed to the framing. The wider a molding is, the more important angle cutting accuracy becomes.
(3) the cleat, with its middle cut away, holds inverted crown in the saw at an angle. Set bottom edge of molding against fence, miter 31.6° left, save right piece. Make your backer a little smaller to allow room for adjustment when installing the crown.
You now have a secure attachment point for nailing your crown. When you cut it vertically, you avoid having to make any bevel cuts. You also have to stop the backer short of the corner like it shows in one of the pics in the pm article.
When both are perfect, nail up half of the molding.