Calculating Lap Siding

Enter this total square footage here.

Calculating lap siding.

Find the number of clapboards needed using our siding board calculator. 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. This calculator can be used for basically any type of siding including ship lap dolly varden fiber cement engineered wood etc. Measure all doors windows and other exterior areas that will not require siding.

Multiply height by width for each area and add to get total square footage not covered with siding. Determine the total area for all of these items then subtract this figure from your final square footage. Calculate how many pieces of siding it will take to cover a wall or gable with this simple tool. For clapboard and lap siding use our clapboard siding calculator to find the number of boards needed to cover the home.

This figure represents the total square footage of hardie plank siding that you will need to purchase. Find the cost of siding installation in your area or find qualified installers. Additional siding installation resources. The calculator will also determine the overlap and exposure of each board find the total number of boards needed and is perfect for estimating cedar wood siding or hardie fiber lap siding.

Multiply height by width for each area and add to get total square footage not covered with siding. Enter this total square footage here. For a custom application just select the next largest size. Optionally enter the number of doors and windows to refine your estimate.

Easy to use radio buttons and number fields. Lap siding reveal size lap siding coverage chart area11 12 15 16 100 sq. Calculate the amount of fiber cement engineered wood siding needed to cover a wall online. There is even a siding square footage calculator so you can estimate house siding costs without any hassle.

Measure the width and height of windows doors and any other areas that will not be covered with siding. To use this calculator you have to know the exposed face value of the siding you are planning to install. These choices are for the most common sized siding available. Measure the width and height of windows doors and any other areas that will not be covered with siding.