Where to buy tempered glass protectors cut to 72×40

Part of our guide on moving yourself vs hiring movers

Most online glass suppliers won't ship tempered pieces over 60 inches, so you'll need a local fabricator or a freight crate.

Where to buy tempered glass table top protector cut to size 72×40

Local glass fabricators are the fastest and cheapest source for a 72×40 tempered glass table top protector. Search for "glass shop custom cut" or "glass fabricator" in your metro area and call with your exact dimensions. Most shops cut to size within 5-10 business days and deliver or arrange pickup within a 50-75 mile radius. You avoid freight charges, which start around $150 and climb quickly for a piece this size.

Online suppliers like Dulles Glass, Glass Genius, and One Day Glass quote custom tempered glass through their websites, but shipping becomes complicated over 60 inches in any dimension. Standard parcel carriers cap individual dimensions at 60 inches for ground service. Your 72-inch piece exceeds that, so it goes freight-only, which means the supplier builds a crate, schedules an LTL carrier, and you pay for both. Total shipping often runs $200-400 depending on your distance from the warehouse.

A few national retailers with local branches, like Glass Doctor or Binswanger Glass, offer the middle ground. They fabricate regionally and deliver within their service area, so you get local speed without hunting for a small shop. Call the nearest branch and ask about lead time for a 72×40 tempered piece with polished edges. Most quote within a day.

Tempered glass cannot be cut, drilled, or edged after tempering. The tempering process locks the glass under internal stress, and any attempt to modify it causes instant shattering. Order your protector to the exact final size, with all edge polishing and corner cuts done before tempering. Measure your table corner-to-corner and subtract 1/8 inch so the glass sits within the table edge rather than hanging over. It helps to understand how to move a glass-top table solo before going further.

Why most online suppliers stop at 60 inches

Parcel carriers like UPS and FedEx limit individual dimensions to 60 inches for standard ground service, and they limit the sum of length plus girth (length + 2×width + 2×height) to 108-130 inches depending on the service tier. A 72x40x0.25-inch piece of glass measures 72 inches long, so it exceeds the single-dimension cap immediately. It also measures 72 + (2×40) + (2×0.25) = 152.5 inches in total girth, well over the combined limit.

That forces the shipment into freight-only routing, where the carrier treats it as LTL (less than truckload) cargo. Freight requires a wooden crate, a loading dock or liftgate delivery, and advance scheduling. The glass supplier builds a crate from 3/4-inch plywood, pads the glass with 2-inch foam, and straps it to a pallet. Crate construction alone costs $75-150, and the freight charge adds another $150-300 depending on distance and whether you have a dock.

Some suppliers absorb this cost for high-value orders, but most pass it straight through. If you request a quote for 72×40 tempered glass online, read the shipping line carefully. A $200 glass protector often becomes a $450 delivered item once freight and crating are added. Before you commit to anything, it is worth looking at getting accurate moving quotes.

How to find a local glass shop that cuts to 72×40

Search "glass fabricator near me" or "custom glass cutting" and filter for shops with tempering capability. Not every glass shop tempers in-house. Small shops often cut and polish the glass, then send it out to a regional tempering facility, which adds 2-4 days to the lead time but still beats online freight shipping.

Call with your dimensions and ask three questions. First, can they cut and temper a 72×40 piece? Second, what is the lead time? Third, do they deliver, and what is the delivery radius? Most shops deliver within their metro area for $50-100, or they let you pick up at the shop if you have a truck and moving blankets.

Expect to pay $250-450 for a 1/4-inch tempered piece with polished edges, or $350-600 for a 3/8-inch piece if you want extra rigidity. Thicker glass resists flexing and feels more substantial under your hands, but 1/4-inch is the standard for table top protectors and handles normal use without issue. The shop will ask whether you want flat-polished edges (smooth but slightly rounded) or beveled edges (angled and more decorative). Flat polish costs less and works fine under your table items.

• Automotive glass shops: often have tempering ovens but focus on curved windshields, so call first to confirm they handle flat pieces
• Architectural glass suppliers: cut large pieces daily for commercial projects and usually deliver within 50 miles
• Mirror and glass retailers: cut custom mirrors and protectors, and many offer same tempering service
• Storefront glass installers: fabricate and temper for commercial doors and windows, and will cut a table protector as a side job

Mirror crate for 72×40 glass table top

A plywood sandwich crate is the only safe way to move a 72×40 glass or mirror piece. The crate consists of two sheets of 3/4-inch plywood cut to 76×44 inches (4 inches larger than the glass in each dimension), with 2-inch foam padding on both sides of the glass. The plywood sheets are screwed together around the perimeter with 2-inch wood screws every 6 inches, clamping the foam and glass into a rigid sandwich that prevents flexing.

You can build one yourself in about an hour. Buy two 4×8-foot sheets of 3/4-inch CDX plywood (about $50 total), one sheet of 2-inch polyethylene foam or several layers of 1/2-inch foam (about $30), and a box of 2-inch wood screws. Cut the plywood to 76×44 inches using a circular saw or have the lumberyard cut it for you. Cut the foam to 74×42 inches so it sits within the plywood border and does not compress when you screw the sheets together.

Lay the first plywood sheet flat, place one foam layer on top, center the glass on the foam, place the second foam layer over the glass, and position the second plywood sheet on top. Drive screws every 6 inches around the perimeter, about 1 inch in from the edge, pulling the two plywood sheets together until the foam compresses slightly. The glass should not touch the plywood at any point. Label the crate "FRAGILE – GLASS" on both faces and all edges.

If you would rather buy a crate, search for "mirror crate" or "glass shipping crate" and specify 72×40 as the interior dimension. Uline and other packaging suppliers sell flat-pack mirror crates that ship as a kit of plywood panels, foam, and hardware. A kit for a 72×40 piece runs $120-180 and assembles in about 30 minutes. This is faster than building from scratch but costs roughly triple the materials-only price.

1. Cut two plywood sheets to 76×44 inches and two foam sheets to 74×42 inches
2. Lay the first plywood sheet flat and place one foam layer centered on it
3. Center the 72×40 glass on the foam, leaving 2 inches of border on all sides
4. Place the second foam layer over the glass, then the second plywood sheet on top
5. Drive 2-inch wood screws every 6 inches around the perimeter, compressing the foam slightly
6. Label all faces and edges with "FRAGILE – GLASS" in permanent marker

Annealed vs tempered glass for a table protector

Tempered glass is heat-treated to be four to five times stronger than annealed (standard) glass and shatters into small, blunt chunks rather than sharp shards when it breaks. For a table top protector, tempering is worth the extra $100-150 if the table sits in a high-traffic area, if you have kids, or if you routinely place hot cookware on the glass. Tempered glass handles impacts and thermal shock far better than annealed.

Annealed glass is cheaper and adequate if the protector will sit on a table in a quiet room with no risk of impacts. It cracks into sharp pieces when it breaks, so it is a poor choice for a dining table or a desk where people lean and shift items around. Some local glass shops will not sell annealed glass for table protectors because of liability concerns, but others will cut it if you ask.

You cannot temper glass after it has been cut and polished. The tempering process heats the glass to 620-650°C, then rapidly cools the surface with air jets, locking the interior under tension and the surface under compression. Any cutting, drilling, or edge work done after tempering causes instant shattering. Order the glass tempered from the fabricator, not annealed with a plan to temper it later.

What thickness to order for a 72×40 protector

1/4-inch tempered glass is the standard thickness for table top protectors and handles normal use without flexing or cracking. It weighs about 50 pounds for a 72×40 piece, which is manageable for two people to carry. Most glass shops stock 1/4-inch tempered blanks and can cut and deliver them quickly.

3/8-inch tempered glass adds rigidity and weight, bringing the total to about 75 pounds. It feels more substantial and resists bowing when you press on the center, but it costs 30-40% more than 1/4-inch and takes longer to temper because of the greater thermal mass. Order 3/8-inch if the table base has a large unsupported span or if you want the protector to feel like a solid surface rather than a cover.

1/8-inch tempered glass is too thin for a 72×40 protector. It flexes noticeably under hand pressure and can crack if the table surface underneath is uneven. Some online suppliers list 1/8-inch as an option because it ships cheaper, but it will disappoint you when you set a laptop or a stack of books on it.

Questions people still ask

I have moved three large glass table tops across state lines, and the plywood sandwich crate is the only method that got them there intact. One piece broke in a soft-sided mirror box, and I will not make that mistake again.