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Find the Finest Door Sills from Our Trusted Suppliers

You might have seen people overlooking the door sills when designing their houses, However, door sills are important components when maintaining the integrity of your home. They also help us enhance the functionality of our buildings. It is important to note that door sills create a transition between the exterior and interior of our homes. Moreover, they serve as the bottom part of the doors. Now, you might be wondering about the functionality of the door sills. Well, they help us prevent water infiltration. They are the most resourceful structures especially when there is heavy rainfall. We can ensure a comfortable living environment inside our homes by preventing insects and drafts. Moreover, our doors are closed against a smooth surface with door sills. As a result, it can ensure efficient energy use with tight sealing.

Door Sill Materials

Just like any other building structure, door sills come in a variety of materials. Therefore, you can choose the material that best suits your project requirements. However, it is important to note that not every material might be suitable for every project. Hence, we have listed some popular door sil materials to help you choose the best one.

People choose door sill to prevent moisture buildup. Ensure that your chosen material is serving the functionality of preventing such quality.

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Marble is one of the most popular materials used for many purposes. You can find its versatility everywhere from door sills to buildings’ floors. Nowadays, people are using marble to create tiles on their walls. This helps them prevent moisture damage to their walls. The best part is that one can use it to create door sills.

Marble is a low-maintenance material with a low density. Higher density leads to better moisture prevention. However, with proper care, you can use marble to prevent moisture buildup. Marble requires proper sealing to act like an ideal door sill material.

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If you are looking for a natural stone with high density to create door sills, granite is an ideal choice. The best part? Granite is also non-porous. As a result, it can create a strong wall against the moisture buildup.

Moreover, granite comes with a lower maintenance quality. At the same time, it gives you durability that is higher than marble.

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Travertine is another popular stone for creating door sills. The interesting part about travertine is that it comes with different porous patterns. Although it has a low density, it can also prove to be an ideal choice.

Therefore, you must seal it properly to use it as a door sill material. Consult your supplier to suggest the best material based on your project requirements.

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People have been using limestone for centuries to create a warm and natural appearance when using the limestone.

Limestone is also used for door sills. But you must seal and maintain it properly to get the best results.

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Quartzite is one of the most durable and hard materials. Its higher density makes it effective for creating door sills.

The best part? Quartzite is non-porous, making it the best choice for creating door sills.

Door Sill Applications

Door sills serve several important purposes in both residential and commercial buildings:



Safety Against Insects and Moisture



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Why Choose

George Door Sill

Why Choose George Window Sill Here are the reasons to choose George window sill:

Recognized with accolades such as SGS, Golden Supplier, and ISO certifications.

Operating from a 20,000 sqm factory with two processing bases.

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Competitive pricing.

A team of 215 staff members ensuring seamless operations.

Complimentary virtual room design service.

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Over 30 years of experience in stone projects, serving customers in 128+ countries.

Available 24/7 online support.

Stringent quality control measures.

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Packaging adhering to high standards to prevent breakage.

Production capacity of 100,000,000 square meters annually.

Professional forklift and loading services for secure transportation.

Or Call us: +86 13798118046

Door Sill | An Ultimate FAQ Guide

Designing a well-defined and well-structured home has become easier than before. However, every home structure needs proper attention. We need to focus on small details to get a well-designed structure. People often overlook the door sill when building a home. But, it is as important as any other part of your home.

 A door sill serves functional and aesthetic purposes in your home. For example, it can help you prevent water damage and drafts in your house. But most people don’t have enough knowledge to use the door sill in their homes. If you are reading this, you might be wanting to learn more about it. Then, you are at the right place. We have written this guide for beginners to learn everything about a door sill structure. 

We will start explaining the basics of a door sill. Next, we will move to choosing the right door sill for your home. We will highlight the important factors in choosing the right door sill. At the same time, we will also address the common problems linked with door sills and how to solve them. There is more to this FAQ guide. Let’s keep reading till the end.

A stone door sill, also known as a threshold, is a horizontal piece of stone that sits at the base of the exterior door. It provides a durable and stable surface for closing the door, creating a tight seal that eliminates drafts. The best part? It also prevents insects and moisture.


But a door sill can do more than improve the appearance of your home. It can also add value to its aesthetics. We can get a touch of sophistication and elegance to our home designs. It is important to note that the stone door sills come in different materials. These materials are:








The availability of a door sill made of different materials helps us choose what suits our homes best. Door sills are durable and low-maintenance structures that add value to our homes. Hence, it is also a cost-effective solution.

Experts recommend some important factors when choosing a door sill for your home. Let’s explore all those factors one by one.


➤First, choosing the right material for your door sill is important. Chinese suppliers give door sills in different materials. These materials are granite, marble, limestone, and travertine. You should choose the material according to your project requirements. You must also consider your home style and the durability level required.


➤Consider your home style and choose a door sill that complements it. For example, if your home design is modern, we recommend you choose a minimalistic door dill.


➤The color of your door sill should also complement your home. Chinese suppliers can also provide customized colors and designs.


➤Experts often emphasize the importance of choosing the right thickness for your door sill. It plays an important role in the appearance and durability of your door sill. You must choose thickness and consult the suppliers to help you make the right decision.


➤It is important to choose materials that you can easily maintain. For example, limestone may require higher maintenance than marble. Ensure that you are capable of maintaining the chosen materials.


➤Finally, you should also consider the polish of your door sill. It should match your home styles and the project requirements,

When you are investing in something, you should look at the pros and cons of owning it. People often look at the benefits of getting something. But, they overlook the challenges of owning something that causes problems later. Therefore, we have also decided to list the common problems with door sills. Don’t worry! We have also shared the solutions to overcome those problems in the coming sections. Let’s begin.


🎯Natural wear and tear can crack the door sill. Experts recommend filling the cracked area with epoxy resin filler. However, it should match the color of your door sill. Otherwise, it may impact its appearance.


🎯Spills or exposure to certain materials may cause stains on your door sills. But don’t worry! We have a solution for that. You can use mild detergent with water to remove stains. A poultice made of baking soda is considered suitable for removing stubborn stains. You can also use a commercial stone stain cleaner.


🎯Heavy use of door sills can also cause chips. As mentioned in the above sections, you can also treat it with an epoxy resin filler. After adding the filler, you must sand it to blend with the surrounding surface.


🎯The settling and shifting with time can also result in the unevenness of your door sill. Using shims can help you get rid of this problem. You should place shims until the door sill brings back to the level.


If you are facing problems other than those above, talk to your supplier today. At George Stone Suppliers, we are available 24/7 to help our customers get the best services.

When buying the exterior stone door sill, you should consider functional and aesthetic requirements.


As mentioned earlier, choosing the right material always comes first. You must consult a supplier to suggest the material that suits your project. At the same time, you must prefer natural stones to create the exterior stone door sill. They help us achieve a timeless look with higher durability.


The next step is to choose the right size and shape of the door sill. It can help you achieve an enhanced look for the building’s architecture and doors. It should also provide a stable base for your door.


Finally, you must not ignore choosing the right finish for your door sill. It should also match the surrounding colors and patterns of your building.

Maintaining and cleaning the door sill can keep its beauty and enhance its lifespan. According to a philosopher:


“Things last when you take care of them.”


The exact quote applies to your home structures. The more you take care of them, the longer they last. Let us show you some fantastic tips for maintaining and cleaning the door sill:


  • Use vacuums to clean the dust and debris on your door sill. This can prevent grime buildup and the appearance of damage.
  • You can also clean your door sill routinely with mild soap and water. However, avoid using harsh chemicals in the water.
  • Use a soft brush or cloth when cleaning the door sill. This will not affect the appearance of your stone door sill.
  • Finally, you must ensure proper sealing of the door sill. It will prevent damage properly.

Hiring a professional is a better option if you are a beginner without experience working with door sills. On the other hand, if you can not afford a professional, you may consult your supplier to give you some tips.


Here are some insightful tips for installing the door sill yourself.


  • Measure the exact depth and width of your door sill. This can help you determine the right size. It will help you ensure the right door sill level and fitting.  
  • If you get a door sill that is the wrong size, you can also cut it to fit the actual size. However, you should always use the proper tools when cutting a door sill. At the same time, you must remember to wear the safety instruments when cutting the sill.
  • You must clean and level the surface before installing the door sill. This practice refers to the preparation for door sill installation.
  • For proper installation, you should use a construction adhesive recommended by the supplier. It should be compatible with the chosen door sill material.
  • Ensure proper positioning of the door sill when placing it on the surface.
  • You should also use screws to ensure the sill fits onto the surface.
  • If an excessive adhesive is left on the surface, you must clean it.

  • Here are the steps experts recommend to prevent water damage to your marble door sill.


    ✔️You should use a high-quality sealant to prevent moisture buildup on your door sill. You can ask a supplier to suggest the best sealant available.


    ✔️You should always clean the door sill surface immediately when water splashes over it. This will prevent water from seeping into the sill.


    ✔️You should place coasters under the glasses or any other items that may cause water to damage the door sills.


    ✔️It is common advice to avoid harsh cleaners at all costs to prevent surface damage.


    ✔️You should always check the door sill surface to inspect water damage. If you detect it earlier, it will be easier to repair.


    ✔️Finally, you should keep a tray under the plants. If there is excessive water, it will drop into the trays without damaging the marble door sill.

Sliding doors are primarily popular in modern home designs. Moreover, you can also use granite door sills for sliding doors. Seems interesting. Right? Let’s explore more about it:


Granite is a sturdy and highly durable material. These qualities make it a perfect choice for moving or sliding doors. However, you should consider some factors when choosing the granite door sills for your sliding doors:


✔️You should prefer a higher thickness of the granite door sill for a sliding door. It will easily bear the door’s weight without causing cracks or chips in the surface.


✔️You should choose the width suitable according to the size of the sliding door. It can help us achieve a stable sliding surface for our doors.


✔️As mentioned earlier, many finishes are available for the sliding doors. You should choose the one that provides a higher traction. This action will prevent sliding as well as slipping for your door.


✔️Choose the design that should be complementing the overall aesthetics of your building.


✔️Finally, you should get it installed through an expert person. Don’t do experiences if you do not know how to install a granite door sill into the sliding door.

In the above sections, we shared many tips to prevent water damage to stone door sills. However, most customers still wonder if there is any stone material that is not prone to water damage. Here are some options that are resistant to water damage:


It is a non-porous and dense stone with high moisture resistance. Moreover, it is a low-maintenance material with higher durability. As a result, it is an ideal choice for door sills.


It has a lower density than granite. However, it is still moisture-resistant when sealed or maintained properly. When using marble, you need to clean it regularly. In other words, it requires maintenance to prevent water damage.


You must note the fact that:


“The higher the density of a stone, the lesser the chance of water damage.”


Therefore, you should choose a natural stone with high density. Quartzite also has a higher density and is non-porous, making it ideal for door sills.


Travertine is also a porous rock. If we do not maintain it properly, there is a higher chance of water damage. Travertine is also prone to mold and mildew.


Limestone is a soft and porous rock. Therefore, it also comes with low resistance to mold and mildew. When using limestone for door sills, you need proper maintenance and sealing.

You need proper knowledge to measure a stone door sill for replacement. We shared some steps below to help you measure the stone door sill. Let’s explore them:


✍First, use a long tape to measure the door width. You need to measure the door opening where you will place the door sill. The inside edge measurement of the door jamp is also necessary. It will help you get the door sill width required for your door.


✍Next, you should place the tape at the front edge of the door jamp. It will help you measure the depth of the stone door sill. You must extend the tape to where the door sill will end.


✍Then, you should measure the height of the door sill. Place your tape measure at the bottom of the door sill jamp and keep extending it upwards where the door sill will sit.


✍You should also measure the angles and curves on the door. This will help you fit the door sill properly.


✍If there are any cuts or edges, you should also measure them for proper door sill sizing.


✍Finally, you should double-check the measurements to ensure proper door sill sizes and dimensions.


You may also check this video for better understanding: 


Here are some common myths and facts about the door sills.




Stone door sills get cracks easily since they are fragile.

Marble can be prone to cracking. However, granite and quartzite are more durable and less prone to cracking. Their durability extends especially when you install them with proper care.

Stone door sills require high maintenance.

If you regularly seal and clean it, your stone door will last a long time. Stone doors are durable and have low maintenance options, with fewer chances of staining and scratching.

Stone door sills cost more. 

There are expensive and affordable options available on the market. Limestone and travertine are affordable ones. However, the cheaper options require higher maintenance than the expensive ones.

Stone door sills come with a higher slippiness.  

Choosing the right finish traction reduces the level of slippiness for the door sill.

Only traditional home designs require door sills.

They are suitable for traditional and modern home designs due to the different finishes and textures available.

Choosing the right door sill color helps us enhance the overall look of our homes. However, consider some factors when choosing the right stone color. Let’s discuss the factors:


Consider the color of the home exterior. If it comes with red bricks, you should choose a cream color for your door sill.


When choosing the right stone color for your door sill, consider the interior designs and colors of your home. The door sill color should also complement the interior color.


It is essential to know that different stones come with different color varieties. You must ensure that the chosen stone has colors that match your home shades.


Light colors may require high maintenance as they are more prone to dust. On the other hand, dark colors are easier to maintain as they catch a small amount of dust.


You must check if the chosen color appears good during the natural lighting. You must test different color samples during the natural lights.


You should also give preference to the color that you love personally. It should also elevate your mood by enhancing the appearance of your home.


Stone Door Sill

Stone Threshold


Bottom of the door on the inside

Bottom of the door on the outside


The transition between the door and the floor

The transition between the door and the exterior ground


Draft prevention  and moisture from entering the home

Keeps out drafts, moisture, and pests

Material Options

Stone or concrete

Stone, concrete, or metal


Narrower and shorter than a threshold

Wider and taller than a door sill


More visible

Less visible


Marble Door Sill

Granite Door Sill


Marble, a metamorphic rock

Granite, an igneous rock


Elegant and luxurious look

Contemporary and sleek appearance

Color Options

Different colors and veining patterns

Speckled or mottled appearance, available in various colors


Softer and more prone to scratching and staining

Harder and more resistant to scratching and staining


Requires regular sealing and more delicate care

Requires less maintenance and is more resistant to stains


Generally more expensive than granite

Generally less expensive than marble


Commonly used in more formal or decorative settings

Suitable for both formal and casual settings


Heavier compared to granite

Generally lighter than marble

Heat Resistance

Less heat resistant compared to granite

More heat resistant than marble


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