Cutting hardie board with grinder. Hardie board is pointed out to be popular and endurable in the construction material. Cutting cement board depends greatly on what tools you have how accurate you need to be and how fast you want to go. You can also cut backer board with an angle grinder fitted with a diamond impregnated cutting wheel but this tool produces a lot of dust and is harder to control than a circular saw so use caution. Hardie shears cut easily and make a dustless cut will the edges if you get to close but are very expensive.
How to cut hardie board there are five different ways to cut hardie board with hardie shears a circular saw a jig saw a utility knife and a 4in angle grinder with a diamond blade. Hardie backer or hardie board cement board is a durable mold resistant backing board for tile work. Mark the hardie boards surface with a pencil for reference and cutting purposes. Fiber cement siding hardiplank cutting tips.
So the lp smartside website says its lighter and stronger both of which sound good is easier to work with also good but having trouble comparing how fire resistant it is compared to fiber cement siding. Hardie board is created by james hardie and it is also known as the cement board. Sal diblasi 722702 views. This video shows several easy methods of cutting hardieboard with standard tools.
James hardie has evaluated several combinations of tools for ease of use durability and value whether you follow table 1 or choose the performance option. On the one hand is it really difficult to cut when. If it were my job i would buy a saw blade specific to cutting hardie board and use a circ saw with a vacuum attachment. Either way follow the steps weve outlined in this guide for how to cut fiber cement board and hardie board.
Nonetheless the cement boards also have both benefits and drawbacks to consider before using it. How to install cement board all the steps needed form cutting and installing to waterproofing. The portland is very hard on the tooling so its recommended that you use carbide blades in the saw or diamond wheels on the grinder.