how to measure door for storm door

How to Measure Your Door for a Storm Door

By Jessica White
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Measuring a door for a storm door might seem like a daunting task, but with the right steps and a few simple tools, you can ensure a perfect fit. A well-measured and installed storm door not only enhances your home's curb appeal but also provides an extra layer of protection against harsh weather conditions. Let's dive into the process, step by step.

Before we begin, gather your tools: a tape measure, a pencil, and a level. Also, have a friend or family member on hand to assist you with the measurements. Now, let's get started!

Measuring the Door Width

Start by measuring the width of your door. This is the most critical measurement as it determines the size of the storm door you'll need. Measure from the outside edge of the door frame to the other, ensuring you're measuring the widest part of the door.

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Most storm doors come in standard widths: 32", 36", or 40". If your door width doesn't match these sizes, you may need to consider a custom-sized storm door or adjust your door frame.

Accounting for Door Swing

When measuring the width, consider the direction your door swings. If your door swings inwards, you'll need to ensure there's enough clearance for the storm door to open fully. If your door swings outwards, you'll need to consider the space available outside your door.

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To account for the door swing, measure the depth of the door frame from the hinge side. This will give you an idea of how much space you have to work with. Subtract this measurement from the width of the storm door you plan to install to ensure a snug fit.

Measuring the Door Height

Next, measure the height of your door. This measurement is typically easier than the width, as most doors are standard heights: 80" or 82". Measure from the top of the threshold to the bottom of the door header.

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Again, consider the direction your door swings. If your door swings inwards, you'll need to ensure the storm door doesn't interfere with the door's operation. If your door swings outwards, you'll need to ensure the storm door doesn't hit the floor when opened.

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Measuring the Door Lintel and Sill

The lintel is the horizontal piece of wood or metal at the top of your door frame, and the sill is the bottom threshold. Both of these components play a crucial role in the installation of your storm door.

Measure the width of the lintel and the sill. These measurements should match the width of your storm door. If they don't, you may need to adjust the door frame or consider a custom-sized storm door.

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Measuring the Lintel Depth

Measure the depth of the lintel from the face of the door frame to the back of the lintel. This measurement is important as it determines the height of the storm door's top rail. The top rail should fit snugly against the lintel, providing a tight seal against the elements.

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If your lintel is deeper than the standard 3.5", you may need to consider a storm door with an adjustable top rail or a custom-sized storm door.

Measuring the Sill Height

Measure the height of the sill from the floor to the top of the sill. This measurement is important as it determines the height of the storm door's bottom rail. The bottom rail should fit snugly against the sill, providing a tight seal against the elements.

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If your sill is higher than the standard 1.5", you may need to consider a storm door with an adjustable bottom rail or a custom-sized storm door.

With these measurements in hand, you're ready to select your storm door and begin the installation process. Always double-check your measurements and consult the manufacturer's instructions for specific installation guidelines. Happy measuring, and here's to a perfectly fitted storm door!

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