How Far To Overlap Fiber Cement Siding

Fiber cement siding shall have a 1 8 gap between trims of windows and doors.

How far to overlap fiber cement siding.

Hold a hardieplank siding board with the top edge against the chalk line and 1 8 inch away from the corner trim. Install the first lap. This calculator can be used to calculate the amount of boards needed to cover a wall when using siding that comes in fixed board lengths such as engineered wood siding and fiber cement siding. Install all butt ends and joints in contact with one another.

Gap where the end meets the corner board photo 7 inset and make sure the other end lands on a stud line. Install a 1 inch wide strip of siding material just above the marked line. The portion that s visible not overlapped is called the exposure. This strip will kick out the bottom of the first lap as if it were sitting on top of another lap.

Measure and cut to length the first piece of siding and nail it in place photo 7. How to stagger lap siding for walls longer than 12 feet you ll need to butt additional lengths of siding together. Fiber cement engineered wood siding calculator calculate the amount of fiber cement engineered wood siding needed to cover a wall online. Fiber cement siding should be installed 6 or more above the grade level of the house with a 1 2 gap between horizontal surfaces like decks steps or adjacent roofs.

It s best to stagger the joints in each successive course to avoid noticeable patterns. Always follow the manufacturer s directions. For example you install fiber cement lap siding in much the same way as wood siding but most manufacturers advise you to leave 1 8 inch gaps at the ends of the boards to allow for expansion and then caulk the gaps. Flash above doors and windows leaving a gap between the flashing and siding.

You can make your own fiber cement starter strip by ripping a piece of hardieplank lap siding into 1 1 4 inch strips. If you need to cut cement siding a 100 acrylic latex primer must be used to reseal the surface. A 6 inch wide clapboard with a 1 inch overlap has a 5 inch exposure. Install the next piece so its end butts lightly against the first photo 7 inset.

Most lap siding is beveled meaning that the bottom edge is thicker than the top. With clapboards and shingles each course overlaps the next by at least 1 inches.