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floating floor meets exterior door threshold

Installing Floating Floor Meets Exterior Door Threshold

If you’re looking to enhance both the beauty and functionality of your home, you’re in the right place. One crucial aspect of a successful home renovation project is ensuring a seamless transition between your floating floor and the exterior door threshold.

Imagine this: You’ve invested in a stunning new floating floor, and the last thing you want is an awkward, unsightly gap where it meets your doorway. That’s where we come in – to help you achieve that flawless finish you’re after.

In this article, we’ll walk you through the process, step by step, ensuring that your project goes off without a hitch. From selecting the right materials to mastering the installation technique, we’ve got you covered. 

So, let’s dive in and make sure your floating floor meets exterior door threshold installation is nothing short of perfection.

Tools and Materials for Installing Floating Floor Meets Exterior Door Threshold

Before we roll up our sleeves and start the installation process, let’s talk about the essential tools and materials you’ll need. Don’t worry; we’ll keep it straightforward and budget-friendly.

Tools and Materials for Installing Floating Floor


  • Tape Measure: Your trusty companion for accurate measurements.
  • Pencil: For marking, because precision matters.
  • Circular Saw or Jigsaw: To make clean and precise cuts in the flooring.
  • Safety Gear: Safety first – include goggles and ear protection.
  • Tapping Block: This handy tool helps lock your flooring planks together.
  • Spacers: Ensure proper expansion gaps between the flooring and walls.
  • Level: For checking the levelness of your subfloor.
  • Hammer and Pull Bar: Essential for adjusting and securing the planks.
  • Utility Knife: Perfect for trimming underlayment and making detailed cuts.
  • Mallet: To gently tap stubborn pieces into place.


  • Floating Floor: Your choice of laminate, engineered hardwood, or luxury vinyl.
  • Underlayment: Provides a cushion and sound barrier beneath the flooring.
  • Exterior Door Threshold: Select one that complements your decor and door type.
  • Transition Strips (if needed): For a polished and secure edge.
  • Wood Glue: If your threshold requires adhesive.
  • Screws or Nails: For securing the threshold (if applicable).
  • Sealant or Caulk: To seal gaps around the threshold.
  • Wood Filler: Handy for concealing nail or screw holes.
  • Flooring Adhesive (if needed): For specific types of floating floors.

Don’t worry if you’re not a DIY expert; we’re here to guide you every step of the way. Let’s keep the momentum going!

Preparation for Installing Floating Floor

Now that you’ve got your tools and materials sorted, it’s time to dive into the preparation phase. Proper preparation is the foundation of a successful floating floor installation, especially when it comes to meeting that exterior door threshold seamlessly.

Start by clearing the installation area. Remove any furniture, rugs, or obstacles that might be in the way. This ensures you have a clean slate to work on and prevents any potential accidents during the process.

Next, take your tape measure and pencil – two trusty allies in the DIY world. Begin by measuring the width of the doorway and the thickness of your flooring material. These measurements are crucial for creating a precise fit that will leave no room for unsightly gaps.

Mark the door jamb or trim where you need to make cuts to accommodate the new flooring. This step helps ensure that your floating floor fits neatly under the door frame, creating a professional and finished look.

While you’re at it, don’t forget to check the level of your subfloor. A level subfloor is essential for a stable and uniform installation. If you discover any unevenness, address it now to avoid issues later on.

Lastly, if you’re replacing an old threshold, carefully remove it and clean the area to ensure a smooth surface for the new installation. With your preparation squared away, you’re ready to move on to the next steps of installing your floating floor and achieving that perfect meeting point with your exterior door threshold.

Removing Old Threshold

If you’re working on a renovation project that involves replacing an existing exterior door threshold, it’s crucial to start by removing the old one. This step ensures a clean slate for your new installation and allows for a fresh, flawless transition.

Begin by carefully examining the existing threshold. You may notice screws or nails securing it to the subfloor. Use a screwdriver or a pry bar to carefully remove these fasteners. Take your time to avoid damaging the surrounding flooring or door frame.

Once the fasteners are removed, gently lift the old threshold away from the door frame. In some cases, it might be glued down. If that’s the case, use a putty knife or a utility knife to carefully cut through any adhesive or sealant holding it in place.

With the old threshold safely removed and the area cleaned up, you’re now ready to move on to installing your new exterior door threshold, ensuring that it seamlessly integrates with your floating floor. This careful removal process sets the stage for a polished and professional outcome.

Installing Underlayment

Now that you’ve prepared the installation area and, if necessary, removed the old threshold, it’s time to focus on an often-overlooked but critical element of a successful floating floor installation: underlayment. Underlayment not only provides a cushioned surface for your flooring but also helps reduce noise and can improve the lifespan of your floating floor.

Start by rolling out the underlayment material across the entire installation area. Be sure to leave a small gap (usually around 1/4 inch) between the underlayment and the walls to allow for expansion.

If your underlayment comes with an adhesive strip or overlapping edges, follow the manufacturer’s instructions for securing it in place. Typically, you’ll want to use adhesive tape to seal the seams, creating a continuous and smooth underlayment surface.

As you lay down the underlayment, be mindful of any obstacles, like vents or floor registers. You may need to cut openings in the underlayment to accommodate these fixtures, ensuring proper airflow and functionality.

Underlayment is essential for providing stability and a comfortable feel underfoot, so don’t skip this step. With the underlayment in place, you’re now ready to proceed with the main event—installing your floating floor and ensuring a seamless meeting point with your exterior door threshold.

Installing the Floating Floor

Installing the Floating Floor

Here’s where the magic happens: the installation of your floating floor. With your underlayment in place, you’re well-prepared to make this transformation a reality. Let’s dive into the step-by-step process:

Acclimate Your Flooring: Before you start laying down your flooring material, it’s crucial to allow it to acclimate to the room’s temperature and humidity. Follow the manufacturer’s recommendations for acclimation time, which typically ranges from 24 to 48 hours.

Plan Your Layout: Begin by planning the layout of your floating floor. Consider the direction of your planks—whether you want them to run parallel or perpendicular to your exterior door threshold. This choice can impact the overall aesthetic of your space.

Start in a Corner: Most installations begin in a corner of the room. Lay your first plank down, using spacers along the walls to maintain the necessary expansion gap. Remember to use your tapping block and mallet to lock the planks together securely.

Stagger the Seams: As you progress, stagger the seams between the planks. This not only adds to the visual appeal but also enhances the stability of the floor. A common practice is to maintain a minimum 6-inch stagger between adjacent rows.

Trim as Needed: Measure and mark planks for cuts around obstacles like door jambs or vents. A circular saw or jigsaw will help you make precise cuts. Don’t forget to leave the necessary expansion gap around these obstacles.

Maintain Consistency: As you work your way across the room, keep an eye on the expansion gap, ensuring it remains uniform along all walls. This gap is essential to accommodate the natural expansion and contraction of the flooring.

End Rows and Transition Area: When you approach the exterior door threshold, you may need to carefully cut planks to fit the space. Be patient and precise to achieve a clean look. If needed, use transition strips to create a polished transition between your flooring and the threshold.

Finishing Touches: Once you’ve covered the entire floor, remove the spacers, and install baseboards or trim molding to cover the expansion gap. Caulk any gaps around the edges for a seamless finish.

Remember, patience and attention to detail are your best friends during this process. Take your time to ensure that each plank is snugly fitted, and the lines are clean and straight.

Cutting and Fitting

This step ensures that your flooring seamlessly meets the exterior door threshold, creating that professional and polished look.

Cutting and Fitting

Measure Twice, Cut Once: This age-old adage rings especially true in flooring installation. Measure the space where your floating floor meets the exterior door threshold carefully. You want to achieve a snug fit with no unsightly gaps. Double-check your measurements before making any cuts.

Cutting Techniques: Depending on your flooring material, you may use either a circular saw or a jigsaw to make your cuts. Be sure to wear safety gear, including goggles and ear protection, and follow the manufacturer’s guidelines for cutting your specific flooring type.

Precision Matters: When making cuts, aim for precision. Use a straight edge or a guide to ensure straight lines. If you need to cut intricate shapes around doorframes or other obstacles, take your time to achieve a clean result.

Leave Room for Expansion: Remember to maintain the necessary expansion gap around the edge of the room and at the threshold. This gap is vital to accommodate the natural movement of the flooring. Place spacers between the cut planks and the wall to ensure consistency.

Trial Fitting: After making your cuts, perform a trial fit to check the accuracy of your work. The flooring should fit snugly against the exterior door threshold, with no visible gaps. If adjustments are needed, make them before proceeding.

Transition Strips: If you’re using transition strips, carefully measure and cut them to fit the area where the flooring meets the threshold. These strips provide a neat and secure transition between different flooring surfaces.

Secure the Fit: Once you’re satisfied with the fit, secure the cut planks in place using your tapping block and mallet. Ensure they are locked together securely and sit level with the surrounding flooring.

Installing the Threshold

With your floating floor expertly cut and fitted to meet the exterior door threshold, it’s time to focus on the pivotal moment: installing the new threshold itself. This is where the transition between your indoor and outdoor spaces comes to life.

Installing the Threshold

Positioning the Threshold: Place the new exterior door threshold in the opening where it will meet the floating floor. Ensure that it aligns correctly with the door frame and the floor surface. It should sit level and snug.

Securing with Screws or Nails: Depending on the type of threshold you’re using, it may require screws or nails for secure attachment. Use appropriate fasteners and follow the manufacturer’s recommendations. Make sure the threshold is firmly anchored to the subfloor, providing stability and support.

Adhesive (if applicable): If your threshold requires adhesive, apply it according to the manufacturer’s instructions. Be cautious not to use excessive adhesive, as it can seep out and create a messy appearance.

Checking Alignment: Double-check that the threshold is aligned properly with the door frame and that it creates a smooth, level transition with the floating floor. Adjust as needed to achieve a flawless fit.

Tight Seal: For exterior doors, it’s essential to create a weather-tight seal to prevent drafts and moisture infiltration. Use a high-quality sealant or caulk to fill any gaps between the threshold and the door frame.

Wood Threshold Finishing: If you have a wooden threshold, consider finishing it with a wood stain or protective sealant to enhance its appearance and durability. This step not only adds to the aesthetic appeal but also protects the wood from the elements.

Allow for Drying Time: If you’ve used adhesive or caulk, allow sufficient drying time as per the product’s instructions before subjecting it to heavy use or foot traffic.

Sealing and Finishing

As you near the completion of your floating floor installation meeting the exterior door threshold, it’s crucial to focus on the final touches that will make your project shine. The sealing and finishing steps are essential for both aesthetics and long-term durability.

Sealing and Finishing

Remove Excess Adhesive or Sealant: Before proceeding, check for any excess adhesive or sealant that may have squeezed out during the installation of the threshold. Use a putty knife or a utility knife to carefully remove any visible residue.

Seal the Gaps: Achieving a seamless transition between your floating floor and the exterior door threshold is essential for both aesthetics and functionality. Seal any remaining gaps between the threshold and the floor using a high-quality sealant or caulk. This not only provides a polished appearance but also prevents drafts and moisture infiltration.

Apply Trim Molding: Depending on your design preference, you may choose to install trim molding along the edges of the room to cover the expansion gap. Trim molding not only adds a finishing touch but also protects the edges of your floating floor. Secure it in place with finishing nails or adhesive, ensuring a clean and professional appearance.

Caulk the Edges: After installing trim molding, use caulk to fill any gaps or seams between the molding and the wall. This step not only creates a seamless look but also adds an extra layer of protection against drafts and moisture.

Touch-Up and Cleanup: Inspect the entire installation area for any marks, smudges, or residue. Clean the floor and threshold to remove any dirt or debris that may have accumulated during the installation process. This attention to detail ensures a spotless final result.

Wood Threshold Maintenance: If you have a wooden exterior door threshold, consider periodically applying a wood stain or a protective sealant to maintain its appearance and protect it from wear and tear.


A well-executed installation is more than just a visual upgrade; it’s an investment in the comfort and value of your home. Your new flooring not only looks fantastic but also provides durability and longevity for years to come.

As you enjoy the fruits of your labor, take a moment to appreciate the satisfaction of a DIY project completed with care and attention to detail. Your home now boasts a beautifully integrated transition that blends the indoors and outdoors seamlessly, enhancing both the appearance and the comfort of your living space.

Remember, home improvement projects like this one are not just about the end result but also about the journey. Embrace the learning experience, and don’t be afraid to seek professional guidance when needed. Your home is a reflection of your style and personality, and by tackling projects like this, you’re making it uniquely yours.

We hope this guide has been a valuable resource for your flooring adventure. As you revel in the transformation of your space, may it bring you joy and pride in your DIY accomplishments. Here’s to many more successful home improvement projects in your future!