Installing a new door might seem challenging, but with the right tools, a bit of patience, and a clear guide, it’s a project many homeowners can handle themselves. Whether you’re updating an old entryway or replacing an interior door, this step-by-step guide will walk you through everything you need to know about door installation in Rochester. For professional results and top-quality materials, you can always count on Rochester Door Company to assist from start to finish.
Step 1: Gather the Right Tools and Materials
Before beginning your door installation, it’s important to prepare all the needed supplies. Having everything ready will make the process smoother and prevent unnecessary delays.
You’ll need the following tools and materials:
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Tape measure
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Level
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Hammer or drill
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Screws and nails
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Screwdriver
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Utility knife
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Wood shims
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Caulk and sealant
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Door and hardware (hinges, handles, lockset)
Make sure your tools are in good condition, and keep everything within reach. If you bought your door through Rochester Door Company, you’ll likely receive all the necessary hardware and installation instructions tailored to your specific model.
Step 2: Measure the Door Opening
Accurate measurements are crucial in achieving a snug fit. Measure the width and height of your existing door frame carefully.
Take three width measurements — top, middle, and bottom — and use the smallest one. Then measure the height from the floor to the top of the frame on both sides. Finally, check the frame’s squareness using a level. If you notice unevenness, plan to use shims during installation to adjust the fit.
Remember, minor errors in measurement can lead to major installation issues later on. Double-check your numbers before purchasing your new door.
Step 3: Remove the Old Door and Frame
Start by removing the old door from the hinges. If your frame is damaged or uneven, it’s best to remove it completely to make way for a new pre-hung door unit. Use a utility knife to cut through old caulk and paint where the trim meets the wall, then carefully pry off the molding.
Next, detach the existing frame and threshold (if applicable). Clean up any debris and inspect the surrounding area for rot or water damage before moving on. This ensures a strong, long-lasting foundation for your new door.
Step 4: Prepare the Opening
Once the old frame is out, inspect the rough opening thoroughly. The opening should be level, square, and structurally sound. Use wood shims to correct any uneven surfaces.
Apply waterproof flashing tape along the sill area to help prevent moisture from seeping underneath your door. This small step can make a big difference in keeping your home energy-efficient and protected from water damage year after year.
Step 5: Set the New Door in Place
Now comes the exciting part — installing the new door. Lift the pre-hung door into the rough opening and position it carefully. Make sure the hinge side is perfectly vertical using a level.
Start by temporarily securing the door with a few nails or screws through the hinges. Then, place shims behind each hinge to keep the frame square. Adjust until the door swings freely and closes without rubbing.
It’s common to make slight adjustments during this step. Take your time to ensure a perfect fit before tightening all the screws.
Also Read: How to Choose a Commercial Door Repair Company
Step 6: Secure and Seal the Frame
Once the door is properly aligned, insert screws through the frame into the wall studs. Be sure to screw through the shims for added stability. Double-check that the door still opens and closes smoothly.
After the frame is secured, use insulation foam or caulk to seal any gaps around the edges. Avoid overfilling, as too much foam can expand and distort the frame. When the foam dries, trim the excess and apply the interior and exterior trim molding back in place.
This step improves both the appearance and the energy efficiency of your installation, helping keep drafts and noise out.
Step 7: Attach the Hardware
Now that your door is fully secure, it’s time to install the hardware. Attach the handles, lockset, and any additional accessories your door requires. Follow the manufacturer’s instructions for alignment and function.
Once done, check the latch operation and keyhole alignment. Apply a little lubricant on moving parts to keep them functioning smoothly.
If you’re working with door installation in Rochester professionals like Rochester Door Company, they can also guide you on choosing the best locks and finishes that complement your home’s style and security needs.
Step 8: Paint or Finish the Door
If your new door is unfinished wood, you’ll need to paint, stain, or seal it to protect it from weather damage. Even primed steel or fiberglass doors benefit from a layer of paint for enhanced durability and personal style.
Before painting, clean the surface and apply painter’s tape to protect trim areas. Apply multiple thin coats for an even finish, allowing each coat to dry thoroughly.
Step 9: Final Inspection
Walk around your newly installed door and check everything carefully. Look for smooth operation, even gaps around the edges, and tight seals. Make sure your hardware is properly aligned and secured.
If you notice any small drafts or unevenness, adjust your shims or apply more sealant where needed. Little details like this make the difference between an acceptable job and a professional-grade finish.
Why Choose Rochester Door Company
If you ever feel unsure about tackling door installation in Rochester on your own, don’t worry, Rochester Door Company is here to help. With years of experience and a team of skilled installers, they specialize in helping homeowners achieve beautiful, secure, and energy-efficient door solutions.
Whether you’re replacing a front entry door, upgrading interior doors, or adding custom designs, the company provides top-quality products and professional support throughout the process. From helping you choose the right materials to ensuring precise installation, their goal is to make your project stress-free and long-lasting.
By choosing Rochester Door Company, you’re not just improving your home, you’re investing in reliability, craftsmanship, and lasting value. So, when it’s time for your next door upgrade, reach out to the experts who know doors best.



