Get matched with top door pros in Brandon, SD

Installing a dog door into an existing door is a quicker, easier project than installing one in a wall. Installing a pet door into a wall requires cutting through your home’s drywall, ensuring no pipes or wires are cut, and sealing the new opening so as not to compromise the safety and stability of your home’s walls, all of which may be a bigger project than many homeowners are looking to undertake.

Most modern door knobs will all fit in standard, modern doors, so if you know your door was made in the last 50 years or so, you should be fine buying a standard replacement door knob. The only exception would be a thumb latch handleset for an exterior door, as this type of door knob may not fit your door without drilling a mounting hole for the bottom of the handle. Antique or custom doors might also have different sizes and knob mounting holes, so call in a professional if you don’t believe your door is a standard one.

You have several options when choosing the best lumber for your door jamb. Pine is the most common material due to its resistance to swelling. Fir is strong and durable. You could also go with birch or alder. Any wood with a tight grain will work for this project.

A prehung door is a door that comes ready to install, already mounted in its frame with hinges and stop molding included. Because everything is factory-aligned, installation is quicker, more precise, and convenient, as you don't need to drill or align the hinges yourself. This makes it a smart option if your current frame is damaged, uneven, or if you're working on a new build. Installation involves fitting the entire unit into the rough opening, shimming and leveling it, and then securing it. If you are replacing an existing prehung door, the process is even simpler, often just requiring you to swap the old unit for the new one and secure it with a few screws. Prehung doors typically cost only slightly more (around $20) than a door slab alone, making them an efficient choice.