How To Measure For Lap Siding

Please enter side s surface area.

How to measure for lap siding.

Sketch each of the exterior walls of your home on a sheet of paper. Add side measurements and enter them here. Measure from the bottom of roof top of your home s side to the peak of your roof. Write down the calculation then divide it by 2.

How to calculate the amount of hardie plank siding. For example 4 inch lap would indicate a 4 inch wide plank. The fibercement board we are using here is 144 long and 8 1 4 wide. We are going to install it with a 1 1 4 overlap giving it an exposed face of 7.

Measure gables dormers and any other areas not included in the sides. Measure your home using the shapes on your sketches as guides. The number of courses of siding can be found by dividing the height of the wall in inches by the exposure of the board. Measure the height and width of each side.

H x w x 0 75 number of squares to cover your gables. Place your ladder in the middle of your gable. Height times width and then multiply by 0 75 to account for the angle. Use our feet to inches conversion calculator if you know the height of the building in feet.

For the rectangle and triangle. Multiply the width and height to get the area of the wall in square feet. Then multiply by 1 5 and you ll have enough siding to cover the two sides of the dormer. The lap is created as a panel that includes two or three of the lap planks however.

If you re also applying siding to your gable you ll want to measure the square footage of this as well. Multi lap reveal size area 9 12 10 12 100 sq. Divide the square footage by 100 to get the number of squares needed for the wall. Calculate the amount of fiber cement siding needed to cover a gable the square footage of the gable green area 6 24 2 72 sq.

To have enough siding for your dormers measure your dormers height and multiply by width. Multiply height by width to get that side s surface area in square feet. To find the number of squares of siding needed for an installation measure each walls width and height in feet. Estimate the number of courses of siding.

Horizontal lap siding is often referred to by the size or width of a single lap board. Siding should be kept 6 off the ground account for that when measuring and estimating material. Measure the width and height of windows doors and any other areas that will not be covered with siding.