From Childproof Stair Banister · Step 1 of 6 · Video by Megan Bell

Showing 0:46–1:15 of the source video.
Before starting construction, accurately measure the space where the baby gate will be installed. First, measure the width of the opening, specifically from the banister to the baseboard molding, ensuring to account for the baseboards so the gate isn't too wide. Next, measure the height. The creator recommends a height of 25 inches, noting that taller gates might be needed for very tall operators or large pets.
Goal: Obtain accurate dimensions for the gate
This project provides instructions for building a custom baby and pet gate from pine boards. It involves measuring the opening, cutting the wood, assembling the frame and slats with glue and nails, sanding, priming, painting, and finally installing hinges and a latch to mount the gate securely.
Using a tape measure, carefully measure the width of each gap between the vertical spindles of your banister, as well as any gaps between the spindles and the top handrail. Record these measurements to identify the largest gap, which will dictate the size of the material you'll need to purchase to ensure no child can fit through. Also, measure the total length of the banister that needs to be covered.
This project involves securing a stair banister to prevent a child from passing through gaps and installing a baby gate at the top of the stairs to create a safe environment.
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