Cut the trim board with the saw.
Cutting hardie board siding with jigsaw.
11 12 2017 02 34 pm.
Cutting station best practices.
Mark where you d like to cut the board.
Always be sure to wear dust and eye protection when cutting cement backer board.
You should take a jigsaw with a metal blade or a carbide grit blade.
Make sure to go slower than with a normal blade and wood.
No way would i rip fiber board of any kind without dust collection.
Lay your cement board out on a work table or between two saw horses.
Setting up your cutting station correctly is just as important as selecting the right tools.
It also snaps the end of the cut so the siding has to be cut face up with the bottom toward you.
Like the score and snap method set a straightedge across your sheet.
To start the saw in cement backer board drill a hole though the backer board large enough for the jigsaw blade or make a plunge cut with the blade in the backer board.
Wait for the saw blade to warm up and come to full rpm before.
You should take a jigsaw with a metal blade or a carbide grit blade.
The hardi blade only has four teeth.
A thin blade kerf reduces material extraction reduces heat and adds to performance.
Unlike score and snap you ll need to use a surface.
To cut holes in cement backer board to use under tile equip a portable jigsaw or sabre saw with a metal cutting blade.
The bosch carbide edge jig saw blade provides 10x life versus standard bi metal blades featuring a carbide tipped edge designed for cutting abrasive building materials.
In this video this old house general contractor tom silva shares his secrets for working with fiber cement siding.
For those who want to ensure the cutting line in the hardie board or a beginner you are able to try a jigsaw.
Keep a firmer grip on the board than with regular wood.
So this one jig saw blade really provides the confidence to make clean cuts in hard material.
To keep dust to a minimum use a circular saw that s equipped with either a dust collection bag or electric fan that blows dust into a bucket.
When cutting fiber cement siding with circular saw use a blade that has only four or six teeth.