Natural Stone Window Sills – Benefits and Cleaning Tips

Natural Stone Window Sills – Benefits and Cleaning Tips

Apr 13, 2023

Natural stone sills are a crucial component of the construction of houses or commercial buildings. The sill is a barrier against moisture penetration and gives the area surrounding the window a lovely appearance.

A stone window sill can help your home in many ways. They will last for many years and are highly durable. Stone sills are a low-maintenance alternative for any home because they are simple to clean and maintain. Stone window sills can also give any room a hint of opulence and sophistication. So, the stone is an excellent option if you’re looking for a high-quality, robust, and low-maintenance window sill.

Apart from these, there are many benefits of stone window sills which we’ve discussed in this article. So, consider reading it till the end to know all the advantages. Along with that, see some cleaning tips for window sills.

Benefits of Natural Stone Window Sills

Here are some of the benefits that will help you know why natural stones are one of the best and most popular materials for window sills.

1. Protects Your House From Moisture

Heat can escape via a window and into the environment outside. The base of the window is where water enters homes the most frequently. Because of the material discontinuities that make up the window frame’s outer border, moisture can also enter. So, the primary reason behind using window sills is to protect the substructure under a window frame from water.

2. Requires Little Maintenance

Another great advantage of natural stone window sills is that they require little to no maintenance. Therefore, you don’t need to check your window sills regularly. But if you want to maintain a clean look, consider regularly removing dust and dirt.

3. Durable

Natural stones provide a durable solution to your window sills that will last for years. They are strong enough to resist damage and can maintain a fresh look for an extended period.

4. Adds a Beautiful Touch

Natural stone window sills act as a focal point in your home as they offer an elegant look. Various natural stones, including Granite, Marble, Sandstone, Limestone, etc., have different finishes, textures, and colours. So, the versatility of these natural stones helps you create a dream space of yours. 

5. Weather Resistant

Natural stones can endure harsh weather, sweltering heat, cold winters, or heavy rain. There is nothing to worry about. Simply keep your natural stone window sills clean to maintain a beautiful look.

How to Clean Natural Stone Window Sills?

Algae, moss growth, and lichen commonly occur on stone window sills, which can significantly detract from your property’s aesthetic. However, cleaning the sills is as simple as cleaning paving slabs

Stone window sill cleanser and specialised cleaning tools must be used to clean natural stone properly. High-pressure washing of natural stone window sills can only cause the stone to become damaged. So, if you don’t want your sills and natural stone to get damaged, consider following the below-mentioned process.

  • Firstly, remove all the dust and dirt from the surface with a broom. Make sure you properly sweep the surface, especially in the corners.
  • Mix 1 quart of warm water in a bucket with 1 tablespoon of mild liquid soap. Use a cleanser alternatively, diluted as per the instructions on the package.
  • With soapy water and a sponge or cloth, scrub the window sill. Use clear water to rinse, then pat dry.
  • Mix five parts of cold water with one part of bleach. To remove any mildew stains, wipe the surface with the bleach solution. Other organic stains are likewise lightened and eliminated by the bleach. Use the bleach solution and an old toothbrush with soft bristles to scrub any grout and remove dirt and stains.
  • Clean the window sill with the bleach solution. To bring out the natural stone’s organic sheen, gently buff it dry.

Before buying any cleaning product, you should consider discussing it with a professional. Otherwise, you might end up ruining the surface of your window sills.


These are the many benefits of natural stone window sills and some tips to clean the surface. Once you follow this process, you can have clean and fresh-looking window sills.

Frequently Asked Questions

Consider reading these frequently asked questions to understand natural stone window sills deeply.

Q1. What stone is used for window sills?

Natural stones like Granite, Marble, Sandstone, and Limestone are among the popular choices for window sills. They are durable and can withstand any damage and harsh weather conditions.

Q2. What material should I use for window sills?

You can use various materials for your window sills, including wood, natural stones, PVC, tiles, etc. However, if you want a strong and durable solution, go for natural stones.

Q3. Can I use quartz as a window sill?

Yes, quartz is among the popular materials for window sills.

Q4. How thick should a window sill be?

Your window sill should have a minimum thickness of 1½ inches. The apron and sill have a minimum thickness of 5½ inches.