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What to Know About Door Sills
Door sills are the unsung heroes of every entrance
Photo: phototropic / E+ / Getty Images
Photo: phototropic / E+ / Getty Images
Highlights
Door sills play a role in keeping homes secure from the elements.
They can prolong the life of your door assembly.
Regular maintenance is key to preventing water intrusion and structural problems.
Installation is best left to a pro to ensure correct door alignment.
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Some home features seem minor, but a door sill plays a mighty role in your entrance. You may be thinking: What is a door sill? Door sills are both functional and aesthetic, boosting weatherproofing and even structural support. By understanding its importance and taking proper care, homeowners can ensure that their door sills continue to welcome them well for years.
What Is a Door Sill?
A door sill can also be known as a threshold or a part of the structure that supports the threshold. In either case, it's the horizontal portion of a door frame directly beneath the door. It serves as a transition point between the interior and exterior of your home.
Often made from durable materials such as stone, metal, or wood, door sills are designed to withstand the wear and tear of daily household use and exposure to the elements.
What’s the Purpose of Door Sill?
While seemingly unassuming, door sills are an indispensable component of any entrance.
Weatherproofing
One of the primary functions of a door sill is to prevent water, air, dust, and insects from entering your home, especially when paired with a door sweep and weatherstripping. When properly installed and sealed, the door sill is a barrier that contributes to a home's overall energy efficiency and comfort.
Structural Support
Beyond its role in weatherproofing, the door sill can be considered a part of a door because it supports the door frame and the door itself. By distributing the door's weight and helping maintain its alignment, the door sill ensures smooth operation and prolongs the life span of the entire door assembly.
Aesthetic Enhancement:
While primarily functional, door sills can enhance a home's aesthetic appeal. Available in various styles, finishes, and materials, they can complement the architectural design of your home by adding visual interest to the entryway.
Who Should Install a Door Sill?
Photo: retbool / Adobe Stock
Installing a door sill often falls within the purview of experts with door installation experience. Pros that can do this job include carpenters, contractors, and experienced handypeople.
While it's possible for individuals with some DIY experience to install a door sill themselves, it's important to ensure proper alignment, sealing, and structural integrity to maintain the functionality and efficiency of the doorway. If you need more clarification, it’s a good idea to guarantee a successful installation.
How Much Does a Door Sill Cost?
You can buy a metal or wood door sill at most home improvement stores for $25 to $50, with stone sills costing between $100 and $200. Labor expenses for door-related installation cost $40 to $90 per hour when hiring a local door installer, while an experienced handyperson may charge $30 to $40 per hour. The overall labor cost depends on your project's complexity and location.
How Do You Maintain a Door Sill?
Regular maintenance ensures the longevity and performance of your door sill. Maintenance may include periodic cleaning to remove dirt and debris, inspection for signs of damage or wear, and resealing to ensure it continues to block the outdoor elements. Additionally, promptly addressing any issues, such as cracks or gaps, can help prevent water intrusion and structural problems.
Frequently Asked Questions
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