The Top 17 Window Sill Manufacturers

Here are some of the best window sill manufacturers in the business. If you’re looking for a new sill, you’ll want to check out this digest.

There are several companies that manufacture window sills. These companies offer a variety of colors, styles, and materials to choose from.

Some of the key features of their products include the ability to resist water damage, durability, and easy installation.

Read our digest for the list of the most reputable window sill makers.

Window Sills Direct

Manufacturer: windowsillsdirect.com

Contact phone: (844) 745-5748

Types of windows:

• Window sills: $50-$100
• Window seats: $100-$200
• Shower seats: $200-$300
• Shower sills: $100-$200
• Thresholds: $50-$100
• Shower caddies: $50-$100
• Soap holders: $25-$50
• Transition thresholds: $100-$200
• Wall caps: $50-$100

This company makes window sills, window seats, shower seats, shower sills, thresholds, shower caddies, soap holders, transition thresholds, wall caps and shelves. They use Corian and other solid surface products to make their applications.

They have a factory in Colorado and their headquarters are located there as well. They offer a choice of safe shipping methods to suit your schedule and budget.

You can order online or fill out a form on their website.

Gold Coast Window Sills

Manufacturer: goldcoastwindowsills.com

Contact phone: 561-575-1495

Types of windows: Gold Coast Window Sills offers a wide variety of marble window sills in a variety of colors and styles. Prices vary depending on the size and style of the window, but start at around $200 per window.

Gold Coast Window Sills is a company that specializes in the fabrication and installation of marble window sills. They are based in Jupiter, Florida and service the entire state of Florida.

They offer a wide variety of colors and styles to choose from, as well as a satisfaction guarantee.

Killeshal

Manufacturer: killeshal.com

Types of windows:

• Bay sills
• Corner sills
• Wide face sills

Prices will vary depending on the type of sill and the material used.

KPC has been manufacturing precast concrete window sills almost since its humble beginnings the late 1960’s. Whether you require bay sills, corner sills or wide face sills, they can offer you a solution that will suit your needs.

Canamould

Manufacturer: canamould.com

Contact phone: 866-874-6762

Types of windows: Canamould offers a wide range of window sills, window trim products, and other architectural accents. Prices vary depending on the product and design.

Canamould Exterior Window Sills are a key accent to any décor of your home improvement project. The elegant window sill will draw attention to your home and give your home a sense that it is unique and exclusive.

Whether you’re restoring an old home or designing your new dream castle, our new collection of window sills and other exterior molding products will help you achieve the look you want. Canamould is the leading manufacturer of stylish exterior window sills.

They also design and manufacture a wide range of architectural accents, such as columns, moldings, cornices, and more. They offer the highest quality exterior window sills, window trim products, and much more at the most cost-effective price on the market.

American Artstone

Manufacturer: american-artstone.com

Contact phone: 507-233-3700

Types of windows:

• Stone window: $200
• Pre-cast stone window: $250

This company makes windows out of stone and pre-cast stone. They have a variety of colors and textures to choose from, and offer a warranty on their products.

Their headquarters are located in the United States.

SillDry

Manufacturer: silldry.com

Contact phone: 215-634-9440

Types of windows:

• Awning windows: $200-$300
• Basement windows: $100-$200
• Casement windows: $250-$350
• Double-hung windows: $300-$400
• Picture windows: $350-$450
• Sliding windows: $250-$350

This company makes windows from cutting-edge thermoplastic material that is designed to last. They have a 15-year limited warranty and their products are available in many different sizes.

The company is headquartered in the United States.

Sanderson Concrete

Manufacturer: sandersonconcrete.ca

Contact phone: 604-580-4108

Types of windows:

• Small sills: $15-$25
• Bull-nosed sills: $20-$35
• Lintels: $25-$45

Sanderson Concrete is a windowsill manufacturer located in Surrey, British Columbia. They have been in business for over three decades and specialize in precast concrete trim.

Their products are used on virtually every corner of every city in the Lower Mainland and throughout BC. They offer a wide range of products including small sills, bull-nosed sills, and lintels spanning over 25’ in length.

They also have three in-house mould shops to ensure their clients’ exacting details are met. Their products come with a minimum six-month warranty and they offer custom forms to keep on hand for fast turnaround times.

Mohan’s Precast USA, Inc.

Manufacturer: mohansprecast.com

This company manufactures concrete window sills in a variety of sizes and colors. They use high-quality materials and offer custom sizing and color options to meet the needs of their customers.

Their products are backed by a warranty, and they have a team of experts who are available to answer any questions you may have.

Bor Aluminum

Manufacturer: boraluminyum.com

Types of windows: The company produces aluminum windowsills that come in a variety of colors and styles. They also have a wide array of sizes available. Prices will vary depending on the size and style of window you choose.

This company produces aluminum windowsills that are perfect for both residential and commercial buildings. They are made with aluminum alloy and are easy to maintain, making them perfect for long-term use.

The company offers a variety of colors and styles to choose from, so you can find the perfect look for your home or business. They also have a wide array of sizes available, so you can find the perfect fit for your needs.

Passive Sills

Manufacturer: passivesills.com

Types of windows:

• Window sills
• Over-sills
• Insulated thresholds
• Reveals
• Moldings

This company manufactures window sills, over-sills, insulated thresholds, reveals and moldings. They use concrete and stone finishes for their products.

They have a warranty option for their products. Their headquarters are located in the United Kingdom.

SureSill

Manufacturer: suresill.com

Types of windows:

• Casement windows: $200-$300
• Awning windows: $250-$350
• Hopper windows: $300-$400
• Sliding windows: $400-$500

SureSill is a window sill manufacturer company that produces high-quality window sills made from durable materials. The company offers a variety of warranty options for their products, and their headquarters are located in the United States.

Mouldings One

Manufacturer: mouldingsone.com

Contact phone: 877-708-4095

Types of windows: The company offers a variety of window sills made from different materials, including wood, MDF, and more. They have a wide selection of profiles to choose from, and also offer custom sill designs.

Prices for their products vary depending on the material, design, and size of the window sill.

This company manufactures a variety of window sills made from different materials, including wood, MDF, and more. They have a wide selection of profiles to choose from, and also offer custom sill designs.

They have a warranty policy for their products, and their headquarters are located in the United States.

Allen Concrete

Manufacturer: allenconcrete.co.uk

Precast concrete sills (also known as cills) are used below windows, ledges and transitions, and can even be used as architectural accents. They have a range of non-stooled sills available from stock and can also manufacture bespoke sills to your exact specification.

Master Construction

Manufacturer: masterconstructionproducts.com

Contact phone: 764657-9509

Types of windows: This company manufactures a variety of windows, including single-hung windows, double-hung windows, casement windows, awning windows, and sliding windows. Prices for these windows vary depending on the size and style of the window, but start at around $200 per window.

This company manufactures concrete block, powers steel, precast-prestressed, rebar and fabrication, concrete reinforcement, masonry reinforcement and accessories, stucco, parking bumpers, lumber products, diamond blades, access tile ADA panels construction equipment FireRock YETI products.

They have a headquarters in Orlando with locations in Tavares and St. Augustine/Jacksonville.

WERZALIT

Manufacturer: werzalit.com

Contact phone: 749670-1657

Types of windows:

• Terrace deckings: starting at $25 per square meter
• Tables and furniture: starting at $50 per piece
• Facade cladding panels: starting at $30 per square meter
• Balcony coverings: starting at $15 per square meter

This company manufactures windowsills, terrace deckings, tables and furniture, facade cladding panels, and balcony coverings. Their products are made from PEFC-certified wood and high-quality resins, and they offer a variety of decors and colors to choose from.

They have a 25 year warranty on their products. Their headquarters are located in Lienz, Austria.

Aluprof

Manufacturer: aluprof.eu

Types of windows: Aluprof offers a variety of window systems, including thermally insulated window sills. Their products are made from high-quality materials and come with a warranty for added peace of mind.

Prices for their windows vary depending on the type of window and the specific features desired.

Aluprof is a window and door manufacturer that offers a variety of systems including thermally insulated window sills. Their products are made from high-quality materials and come with a warranty for added peace of mind.

Aluprof is headquartered in Bielsko-Biała, Poland.

Orchard Stone

Manufacturer: orchardstone.com

Types of windows:

• Standard size window sills: starting at £29 + vat
• Custom size window sills: starting at £49 + vat
• One piece sills for up to 1000mm window size: starting at £69 + vat

Orchard Stone is a cast stone window sill manufacturer located in Worcester, England. The company makes window sills and heads in standard and custom sizes starting from just £29 + vat.

They offer a full bespoke service, with no minimum order quantity, and deliver UK-wide. Orchard Stone uses granular natural stone mixed with Portland cement and hardening agents to create their cast stone products.

This gives the finished product increased durability, consistent colouring, and no striations or flaws – which can erode natural stone over time. Orchard Stone window sills have a sloped gradient to divert rain away from the window opening, as well as a drip line beneath the sill to protect the underlying wall from water stains and wear.

The company manufactures one piece sills for up to 1000mm window size with 100mm stooling at each end; for larger sills, most customers prefer pre-cut sections that are easier to manoeuvre into place. Orchard Stone also specializes in making sills for custom size windows.

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