Cutting Vent Hood Hole In Fiber Cement Siding

There are many cost effective circular saw and vacuum options that meet table 1 requirements for cutting fiber cement.

Cutting vent hood hole in fiber cement siding.

It is a concrete product that is light flexible and has a woodlike finish. I m changing the builder s dryer vent which goes 12 feet or so up through the roof not a good idea to a vent on the side of the fairly new 2 story house. When cutting fiber cement siding with circular saw use a blade that has only four or six teeth. Verified purchase used this to cut 4 1 8 inch exhaust vent holes in hardy fiber cement trim board 1 inch thick concrete board and it worked perfectly.

Selecting the right carbide tipped hole saw to cut your vent hole. How to drill holes through cement fiber siding. The carbide grit works really well and does a great job of keeping buildup to a minimum. The important thing is to watch your speed and if you re using a hand held drill watch for it grabbing.

Lots of info out there re how to attach this type siding to the studs on new construction but i am not doing that. Cement fiber siding is a commonly used building material. Using a cost per square foot metric it s less than a penny per square foot. This hole saw is deeper than your standard hole saw so it cuts right through the wall through the fiber cement siding and the plywood substrate below it.

Even if you do invest in higher end tools the total cost per job is low. Rather than using an expensive masonry hole saw i used a masonry drill bit to drill a series of small holes around the perimeter of the dryer vent hole and use a big chisel and 3 lb sledge hammer to chip out the opening. For a slow but virtually dustless way to cut siding use power shears. It can be cut.

I need to attach an ordinary dryer vent to the cement fiber siding on my daughter s house. While it was a little tedious it was very effective and satisfying.