Best Acrylic Sheet Suppliers for Cut-to-Size Windows (2026)

Almost every acrylic window project that is not a manufactured product, from a shed pane to a storm-window insert to a boat hatch lens, starts the same way: you need a sheet of a certain thickness cut to a certain size with clean edges. Where you buy it determines what grade you get, how square the cut is, whether the edge will craze in a year, and how much you pay to ship a fragile flat rectangle across the country.

This guide ranks the suppliers we would order from, based on catalog depth, cutting and finishing capability, shipping practicality, and the prices we could verify. Most plastics distributors do not publish per-square-foot pricing, so where a supplier only quotes, we say so.

Cast or extruded: decide this first

The single most important choice on the order form. Extruded sheet is rolled to thickness continuously. It is cheaper, roughly $3 to $5 per square foot at 1/4 inch, holds thickness tolerance tightly, and thermoforms easily. It is the standard material for flat replacement windows and displays. Its weaknesses are a lower melting point, a tendency to crack on oblique cuts, and slightly less clarity. Cast sheet is poured into a mold and cured. It costs about 20 percent more, roughly $6 to $10 per square foot, has better optical clarity and chemical resistance, machines and laser-cuts more cleanly, and comes in thicknesses extruded cannot reach.

For a flat window that will sit in a frame, extruded is fine and saves money. For anything you will polish, laser-cut, bend around a curve, or leave in full sun for a decade, buy cast. Our acrylic vs glass guide covers the material properties that apply to both.

Our picks at a glance

How we evaluated

We have not ordered a test piece from each supplier. Rankings come from each company's published catalog and policies, prices captured in September 2026, and owner reports on sailing and maker forums, weighed on:

• Catalog depth. Brands, thicknesses, cast and extruded, tints, and specialty grades such as abrasion-resistant.
• Cutting and finishing. Tolerance, and whether edge polishing, drilling, and shapes are available.
• Shipping practicality. Flat sheet is expensive to ship and easy to crack. Cut-to-size that ships UPS beats a full sheet by freight.
• Price transparency. Instant pricing on the site ranks above phone quotes.
• Track record. Years in business and what customers say.

1. ePlastics

Best Overall. ePlastics in San Diego stocks the brands the rest of the industry name-checks, Plexiglas G cast and MC extruded, ACRYLITE, Lucite, Perspex, and OPTIX, in thicknesses from 0.060 inch to a full 4 inches, plus frosted, mirrored, tinted, and non-glare. The cut-to-size model is straightforward: buy the nearest stock sheet, enter the dimensions you want, and add a labor item for the cut. Because the cut piece ships smaller, it usually goes UPS instead of freight, which is the real saving.

The fabrication floor is what puts it first. Ten-foot CNC saws, eight-foot CNC routers, and mill centers handle straight cuts, shapes, circles, holes, and polished edges as line items on the order. Sailboat owners re-lensing hatches have used ePlastics for exactly this, paying about $442 for material plus $30 for hatch cuts and $150 for portlight edge milling on one refit. Turnaround is not posted; call if you are on a deadline.

Shop cut-to-size acrylic at ePlastics

2. Acme Plastics

Best Value. Acme is the supplier that shows you the number. Pick a material and thickness, type in the dimensions, and the price updates on the page before you commit. That alone puts it ahead of most of the trade. The prices are good, too: a 1/4-inch 24-by-48-inch clear extruded sheet was listed at $41.52 on sale against $55.37 regular, which is about $5 a square foot delivered as a stock size, and cut-to-size pricing scales from there. The site advertises free freight on qualifying orders and runs a standing discount on its marine plastics line.

Acme also stocks 3-packs of common sizes, twin-wall greenhouse panels, and polycarbonate, so it is a one-stop order for a mixed project. Edge finishing options are thinner than at ePlastics, and the sheet is house-stocked rather than named-brand, which is fine for a window and less fine if you want ACRYLITE on the invoice.

Price a cut at Acme Plastics

3. TAP Plastics

Best In-Store. If you live near a TAP store, the West Coast chain is the answer to "I need this today." Walk in with dimensions and a cut-to-size order takes under five minutes at the counter. Online cut orders run two to three business days. TAP stocks clear extruded from 1/16 to 1/4 inch and premium cast from 1/8 to 3 inches from Chemcast, ACRYLITE, and Spartech, plus AR abrasion-resistant sheet, and the staff will talk you out of the wrong thickness.

It is not the cheapest. A sailboat owner quoting a full hatch-and-portlight refit was quoted around $800 at TAP for cut and finished pieces against $442 plus labor at ePlastics. What you pay for is the counter, the advice, and the fact that the piece is in your hands before lunch. Pricing is by quote in store or by email.

Find a TAP Plastics store

4. A&C Plastics

Best for Marine and AR Sheet. A&C stocks the hard-coated ACRYLITE AR2 sheet that boat owners want, in 48-by-96 sheets from 1/8 to 1/2 inch at $361 to $1,332, and cuts to a 1/32-inch tolerance on request. With warehouses in Texas, Illinois, and Colorado, it covers the middle of the country that the West Coast suppliers ship across, and it carries more than 200 acrylic colors for anything decorative. Quote requests are available for volume.

The catch is that AR sheet is sold by the full sheet. If you need one hatch lens, you are buying a lot of expensive acrylic. Pair it with a friend's project or use the standard sheet for the small stuff.

Shop A&C Plastics

5. Canal Plastics Center

Best for Cast Acrylic. The Canal Street store in Manhattan has supplied artists, architects, and set builders for decades, and it defaults to cast sheet for its clarity and clean machining, using extruded only for mirror and gallery-framing lines. Sheet runs from 1/16 to 2 inches, cut to 1/32 inch, with laser cutting, CNC routing, polishing, drilling, and UV printing in house. Pieces up to 24 by 48 ship nationwide by UPS within one to two business days. Full sheets are pickup only.

Prices start at $2.75 for small clear pieces, but Canal is not a discount house. Its Yelp rating sits around 3.8 stars, with reviewers praising the selection and same-day service and complaining about the prices and occasional brusqueness. Buy from it for cast quality and speed, not for the lowest number.

Shop Canal Plastics

6. Delvie's Plastics

Best for Small Pieces and Hobbyists. Delvie's has sold acrylic to hobbyists, schools, artists, and small businesses from Salt Lake City for about 60 years and has tuned its store for them: hundreds of colors and finishes, cast and extruded, small pieces from $7.25, and laser cutting and UV printing on request. For a cold-frame pane, a display window, or a batch of small storm-panel inserts, it is easy to order and priced for one-offs.

It is not the place for a 4-by-8 sheet of AR marine acrylic or a 1-inch aquarium panel. Delvie's does small well.

Shop Delvie's Plastics

Also worth knowing

Professional Plastics has been in business since 1984 with dozens of locations and an online store for extruded and cast sheet. It is a solid trade supplier that we could not price-check in detail.

Estreet Plastics, founded in 2010, has a reputation on maker forums for competitive cut-to-size pricing and quick turnaround. Its site blocks automated visitors, so we could not verify current prices.

Home Depot and Lowe's sell OPTIX extruded sheet in stock sizes and will cut it in some stores. It is the right answer for a single small pane today and the wrong one for anything that needs a polished edge, a named grade, or a thickness over 1/4 inch.

Amazon and eBay list a great deal of acrylic. Quality and packaging are inconsistent, and a cracked corner on delivery is a common complaint. Buy from a plastics supplier.

Ordering checklist

• Say cast or extruded. If the listing does not say, it is extruded.
• Give finished dimensions and let them cut. A supplier's saw is squarer than yours.
• Order polished edges on anything visible. Flame-polished edges can stress the sheet; ask for machined or buffed.
• Ask for the protective film left on. It should arrive masked.
• Allow for expansion. Acrylic moves about 0.00004 inch per inch per degree Fahrenheit. A 48-inch panel needs close to 3/16 inch of room over a 100-degree swing.
• Keep it under 24 by 48 if you can. That is the UPS threshold at most suppliers. Larger goes freight.

Sources

• ePlastics: Cut-to-size plexiglass acrylic sheets
• Acme Plastics: Cut-to-size acrylic, 1/4 x 24 x 48 clear extruded, and Cast vs. extruded acrylic
• TAP Plastics: Cut-to-size acrylic and premium cast acrylic
• A&C Plastics: Abrasion-resistant marine acrylic
• Canal Plastics Center: Acrylic sheets and Yelp reviews
• Delvie's Plastics
• Professional Plastics: Extruded plexiglass sheet and Estreet Plastics
• Piedmont Plastics: Cast vs. extruded acrylic and ACRYLITE: Cast vs extruded
• Sailboat Owners Forums: Replacing acrylic portlights and hatch lens
• T&T Plastic Land: Where to buy acrylic sheets