Custom Width and Depth Sill Shield

171 Review(s)

Your Price: $24.99

Part Number: WSS-CS

Available in white or clear.

Protects the wood surface beneath from both scratches AND impact!

Easily installed with included peel-and-stick Low Profile Dual Lock Coins by 3M.

No tools required for installation. Get set-up in under a minute!

NOTE: Maximum depth is 5 1/4" and maximum width is 35 1/2"

Could you use a stock size instead? View our standard sizes.

For questions or notches, or to order by phone, contact me at [email protected] or call 845-477-0737

Sill Shield with Custom Length and/or Depths

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Sill Depth *

Custom depth (inches). NOTE: Maximum depth = 5 1/4". :

Sill Width *

Custom width (inches). Maximum width = 35 1/2". :

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Custom sized windowsill protectors, available in clear or white. Choose your custom Sill Shield™ width (left to right along the length of the windowsill) and depth (front edge of the sill toward your window). All of my Sill Shields have a 1” drop in the front to wrap around the corner of the sill. You can order online, or by phone at 845-477-0737.

After years of constantly repainting my sills, they finally got to the point where the wood was so damaged, they had to be replaced. I wasn’t able to find a product to protect the new ones, so I created the first Sill Shield™. My sills are white, so I chose a white outdoor grade U.V. material to resist yellowing. For the clear Sill Shields, I chose a material called PETG, a tough, clear material best known for making blister packs and water bottles..

It worked so well that I decided to offer it to everyone in several standard sizes that fit many common window sills. Be sure to check out the Standard Sill Shields in case a stock size works for you:
Sill Shield Windowsill Protector Standard Sizes

Sill Shield Windowsill Protector Standard Sizes

The quality and durability of my original Sill Shield™ is superior to any alternative, and that’s why I’m the only one that offers my exclusive lifetime guarantee: As long as I’m alive, they’re guaranteed - when I’m gone, you’re on your own.

If you need special customization, such as a notch for a crank, email me at [email protected] and please send a picture if possible.
Window Sill Guard with notch cut out

Thank you,
Gary Castelle

Customer Reviews

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This is a FABULOUS product; ends doggie damage to sills!

I was using rolled plastic shelving and 3M tape to hold in place to stop my Min Pin from scratching my sill but she would sit on the chaise lounge and chew on the plastic and tape. Gary’s product ended all my frustrations. He cut the sill protector to my measurements and it fits PERFECTLY ! Also, my little Min Pin has lost all interest in the sill now. Thank you so much, Gary. Wonderful product! I am such a happy customer!

Reviewed by: Shari Youngstrom from OR on 6/11/2025

Wonderful product. We have small sills and couldn’t find any prefab products that would fit. Our small Havanese dog goes crazy and scratches the ledge. So, far, so good. Great product, communication and fast shipping.

Reviewed by: Victoria from Naperville, iL on 5/4/2025

Awesome! Everything perfect!

Great communication, great price, perfectly cut, shipped quickly. We are so happy we found him and love our products! Now our dogs won’t keep ruining our window sills. Highly recommend! We got the clear and love them!

Reviewed by: Maria from Pasadena on 3/20/2025

Peace At Last

I almost never review goods or services, but I was so impressed with Gary’s work that I couldn’t pass up the opportunity to write this review. Gary is incredibly responsive and fast. He patiently worked with me to develop customized protectors not only for my sills but also for vertical portions of my sills throughout the entire first floor of my house. The protectors are high quality and fit perfectly. Gary is a true craftsman. I can finally relax when my dog runs to the windows. No more destruction.

Reviewed by: Wendy from Wisconsin on 3/8/2025

Excellent product, Great Service

Having seen what our dogs toenails can do to the window sills in our previous house, we wanted to protect them in our new house, before the dogs got there! With a little back and forth emailing, Gary did a great job in accommodating the narrow depth of our sills and provided us with the perfect custom fitting protectors. And we got them in less than a week! That meant I had them installed before the dogs arrived. Thanks so much Gary!

Reviewed by: David from Central NY on 3/4/2025

Custom Width and Depth Sill Shield

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