Terrazzo is one of the most durable and visually striking flooring materials ever developed. Composed of marble, granite, quartz, or glass chips set in a cement or epoxy matrix, terrazzo has been installed in buildings around the world for centuries. When properly maintained, terrazzo can last the lifetime of the building. But when maintenance is deferred — when the floor is allowed to dull, scratch, and accumulate ground-in soil — terrazzo loses the luster that makes it remarkable.
Rose Restoration has been polishing, restoring, and maintaining terrazzo floors throughout Virginia, Maryland, and Washington, D.C. for more than 40 years. Our team of 30+ technicians has the equipment, training, and experience to bring any terrazzo floor back to its original brilliance — from a single residential foyer to an entire airport terminal.
Professional terrazzo polishing is not a single step — it is a multi-stage process that progressively refines the surface from its current condition to a high-gloss finish. The specific steps depend on the condition of the floor and the desired result, but a full terrazzo restoration typically follows this sequence:
For floors that have significant damage, lippage (uneven tiles or sections), deep scratches, or heavily worn areas, the process begins with grinding. Using weighted floor machines fitted with diamond-impregnated tooling, our technicians remove the damaged surface layer to reveal fresh, undamaged material beneath. Grinding also levels the floor, eliminating trip hazards and creating a uniform plane across the entire surface.
The depth of grinding depends on the severity of the damage. In some cases, only a light cut is needed to remove surface scratches and wear patterns. In severe cases — floors that have been neglected for decades or damaged by construction work — a deeper grind may be necessary to reach sound material.
Before honing and polishing can begin, any structural issues must be addressed. Terrazzo floors are subject to cracking from building settlement, thermal movement, and substrate failure. Our technicians repair cracks using color-matched epoxy fills that blend with the surrounding terrazzo.
Divider strips — the metal or plastic strips that separate terrazzo sections and control cracking — may also need attention. Loose, damaged, or missing divider strips are repaired or replaced to restore both the structural integrity and visual continuity of the floor. In historic buildings, matching the original divider strip material and profile is an important consideration that our team handles with care.
After grinding and repairs, the floor progresses through a series of honing steps using increasingly fine diamond abrasives. Each honing step removes the scratch pattern left by the previous step, progressively refining the surface. This is the stage where the floor transitions from a rough, matte surface to a smooth, semi-gloss finish.
The number of honing steps varies based on the floor’s condition and the desired finish level. A typical restoration may involve four to eight progressive steps, each using a finer grit than the last.
The final mechanical step brings the floor to its finished gloss level. Polishing may involve very fine diamond abrasives, polishing powders, or a combination of methods depending on the terrazzo type and the target finish. The goal is a deep, reflective shine that showcases the beauty of the aggregate chips and creates the luminous surface that makes terrazzo so distinctive.
Once polishing is complete, the floor is sealed to protect the finished surface. The type of sealer used depends on the terrazzo type, the building’s traffic patterns, and maintenance capabilities. Sealers help resist staining, reduce soil penetration, and make ongoing maintenance more effective. Our team selects and applies the appropriate sealer system for each project.
Not all terrazzo is the same, and understanding the type of terrazzo in your building is important for proper care and restoration. The two primary types are:
Cement (cementitious) terrazzo is the traditional form, consisting of marble or stone chips set in a Portland cement matrix. It is the type found in most buildings constructed before the 1970s. Cement terrazzo is porous and susceptible to moisture damage, staining, and efflorescence (white mineral deposits). It requires penetrating sealers and responds well to diamond grinding and polishing. Most historic terrazzo floors are cementitious.
Epoxy terrazzo is a modern system that uses an epoxy resin binder instead of cement. It is thinner, lighter, non-porous, and available in a wider range of colors and aggregate options including recycled glass. Epoxy terrazzo is commonly used in new construction and renovations. While it is less porous than cement terrazzo, it still requires professional polishing to maintain its appearance and can be damaged by UV exposure, heavy impact, and chemical spills.
Each type requires different diamond tooling, chemical treatments, and sealing approaches. Our technicians are experienced with both and adjust their methods accordingly.
Terrazzo is found in a wide range of settings, each with its own challenges:
Commercial terrazzo — airports, hospitals, schools, government buildings, retail spaces, and office lobbies — typically covers large areas and endures heavy foot traffic. Restoration of commercial terrazzo requires industrial-grade equipment, efficient workflows, and the ability to work around building operations. Rose Restoration has the equipment fleet and crew capacity to handle large-scale commercial projects on schedule. Visit our commercial services page for more information.
Residential terrazzo is common in mid-century homes, particularly in Florida-style and modern architecture. Homeowners often discover beautiful terrazzo floors hidden under carpet or tile. Residential terrazzo polishing requires the same professional process as commercial work, but with added care for the home environment — protecting furnishings, managing dust, and working within the constraints of a private residence.
Many of the most significant terrazzo floors in our region are found in historic buildings — courthouses, post offices, museums, government buildings, and houses of worship. These floors are often works of art in their own right, featuring intricate patterns, custom aggregate blends, and handcrafted designs.
Restoring historic terrazzo requires more than technical skill — it requires sensitivity to the original material, an understanding of preservation standards, and the ability to match colors and aggregates that may no longer be commercially available. Rose Restoration has extensive experience with historic terrazzo restoration, including projects requiring coordination with preservation architects and oversight agencies.
Building owners sometimes consider replacing worn terrazzo, but restoration is almost always the better choice for several important reasons:
After a full restoration, ongoing maintenance is essential to protect the investment and keep the floor looking its best. Rose Restoration offers maintenance programs tailored to the specific needs of each floor, including:
A well-maintained terrazzo floor can go many years between full restorations, making ongoing maintenance one of the best investments a building owner can make.
The timeline depends on the floor’s condition, size, and the scope of repairs needed. A residential foyer might be completed in a day, while a large commercial lobby or corridor may take a week or more. We provide a project timeline during our initial consultation and work to minimize disruption to building operations.
Modern terrazzo polishing is performed wet or with dust-containment equipment that captures the vast majority of airborne particles. While some dust is unavoidable during grinding and honing, our team uses professional containment methods and cleans thoroughly throughout the process. We discuss dust management in detail before every project.
In most cases, yes. The terrazzo beneath a covering is often in surprisingly good condition, since it has been protected from foot traffic. Adhesive residue from carpet or tile may need to be removed as part of the preparation process, and there may be some areas of damage that require repair, but the underlying terrazzo is usually restorable.
Yes. Crack repair is a standard part of our terrazzo restoration process. We fill cracks with color-matched epoxy that is ground and polished flush with the surrounding surface. While repaired cracks may remain faintly visible on close inspection, they are fully functional and structurally sound, and they blend with the floor from normal viewing distance.
With proper ongoing maintenance — regular cleaning with appropriate products, periodic burnishing, and timely re-sealing — a fully restored terrazzo floor can maintain its appearance for many years before a full re-polish is needed. The interval depends on traffic levels and maintenance quality. Our maintenance programs are designed to maximize the time between full restorations.
Ready to restore your terrazzo to its original brilliance? Call Rose Restoration at 703-327-7676 or contact us online for a consultation. Over 40 years of terrazzo expertise serving Virginia, Maryland, and Washington, D.C.
Rose Restoration International has restored terrazzo floors in virtually every type of institutional and commercial building in the DC metro area. Here are the project types we most frequently serve:
Call 703-327-7676 to discuss your terrazzo polishing project.
Terrazzo floors in commercial buildings need consistent maintenance to retain their appearance and avoid costly full restorations. Rose Restoration offers scheduled maintenance programs for property managers, facility directors, and building owners:
Maintenance programs are scheduled during off-hours — nights, weekends, and holidays — to avoid disrupting building operations. We work with schools during summer breaks, hospitals during low-census periods, and offices on weekends.
Many facilities still wax their terrazzo floors — a practice that creates more problems than it solves. Wax builds up in layers, yellows over time, traps dirt, creates slip hazards, and requires constant stripping and reapplication.
Diamond polishing eliminates the need for wax entirely. The shine comes from the stone itself, not a coating on top of it. Benefits of wax-free terrazzo maintenance:
If your facility is still waxing terrazzo, we can convert to a wax-free diamond polishing program that looks better and costs less over time.
High-traffic commercial terrazzo (lobbies, corridors, entrances) should be professionally polished annually. Moderate-traffic areas can go 2–3 years between full polishing cycles. Monthly burnishing between polishing cycles maintains the shine and extends the interval between full restorations.
Basic terrazzo polishing runs $3–$8 per square foot. Full honing and polishing (for floors that have lost significant shine) costs $8–$15 per square foot. Ongoing maintenance programs are priced per visit based on square footage and frequency. Contact us for a customized maintenance quote.
Yes, if the floor is in reasonably good condition with no cracks, chips, or heavy damage, polishing can be done with high-grit diamond pads without aggressive grinding. This is faster, less expensive, and ideal for floors that just need their shine restored. Our assessment determines whether grinding is necessary.
Yes. Our commercial terrazzo cleaning services include deep cleaning, stain treatment, wax removal, and ongoing maintenance programs. We serve schools, hospitals, government buildings, offices, and retail spaces throughout Virginia, Maryland, and Washington DC. All work is performed during off-hours to minimize disruption.
Rose Restoration provides terrazzo floor polishing and maintenance services throughout the Washington DC metropolitan area, including Arlington, Bethesda, McLean, Alexandria, Reston, Tysons, Fairfax County, Montgomery County, Georgetown, Capitol Hill, and all of Washington DC.