How To Measure For Lap Siding

Write down the calculation then divide it by 2.

How to measure for lap siding.

Measure the width and height of windows doors and any other areas that will not be covered with siding. Measure the height and width of each side. Measure your home using the shapes on your sketches as guides. Place your ladder in the middle of your gable.

Multiply the width and height to get the area of the wall in square feet. Please enter side s surface area. Measure from the bottom of roof top of your home s side to the peak of your roof. Then multiply by 1 5 and you ll have enough siding to cover the two sides of the dormer.

H x w x 0 75 number of squares to cover your gables. Siding should be kept 6 off the ground account for that when measuring and estimating material. How to calculate the amount of hardie plank siding. To find the number of squares of siding needed for an installation measure each walls width and height in feet.

Sketch each of the exterior walls of your home on a sheet of paper. Add side measurements and enter them here. Estimate the number of courses of siding. Height times width and then multiply by 0 75 to account for the angle.

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. Horizontal lap siding is often referred to by the size or width of a single lap board. Enter this total square footage here.

Multiply height by width for each area and add to get total square footage not covered with siding. Use our feet to inches conversion calculator if you know the height of the building in feet. The number of courses of siding can be found by dividing the height of the wall in inches by the exposure of the board. Multiply height by width to get that side s surface area in square feet.

The lap is created as a panel that includes two or three of the lap planks however. Scale is not important but capture the basic shape. The fibercement board we are using here is 144 long and 8 1 4 wide. 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.

For example 4 inch lap would indicate a 4 inch wide plank. We are going to install it with a 1 1 4 overlap giving it an exposed face of 7. To have enough siding for your dormers measure your dormers height and multiply by width.