Great Miami River Mold
Hamilton is a river town. The Great Miami cuts right through us. That means the air is always heavy with moisture. In the shade of the big trees at Greenwood, that dampness clings to the stones.
It grows a thick coat of green algae and black mold. It looks like a carpet. You can't just brush it off because the roots go deep into the stone pores. If you scrape it, you scar the marker. We use a biocide that soaks in and kills the growth at the root. It turns brown and washes away with the next rain, leaving the stone clean.
Foundry and Mill Soot
We used to have paper mills and foundries running day and night. The smoke from those stacks settled on the cemeteries for years. It mixed with the rain and formed a hard black crust on the limestone and marble.
This isn't dirt you can spray off with a hose. It is bonded to the surface. It acts like a shell. We use a poultice paste to soften that industrial grime. It pulls the black stain out of the rock so we can rinse it away without damaging the carving underneath.
Sugaring Limestone
We have a lot of pioneer graves made of local limestone. It's a soft stone. Over time, the acid rain eats the binder in the stone. The surface starts to feel rough and sandy, like loose sugar.
A pressure washer will blow the face right off these stones. We have to be extremely careful. We wash them by hand using very soft bristles. Then we apply a stone hardener. It soaks deep into the rock and glues the grains back together so it stops dusting away.
Sinking in River Mud
The ground near the river is soft. After a wet spring, it turns to mush. We see heavy monuments sinking straight down or tipping over as the mud shifts.
We provide professional grave site cleaning services that include leveling. We don't just shove dirt under the edge. We lift the stone out. We dig down to solid earth and build a pad of compacted gravel. This drains the water away so the stone sits flat and dry.
City of Sculpture Care
Hamilton is the City of Sculpture. We have elaborate statues and monuments in our cemeteries. Cleaning a carved angel is not like cleaning a flat block.
The dirt hides in the deep folds of the carving. If you scrub that, you're going to wear down the details. We use a cleaner that softens the grime chemically. We coat the stone and give the chemicals time to eat the dirt. Then we wash it off with low pressure. The grime comes off, but the stone stays safe.
Ice Splitting Stone
Our winters are wet. Rain gets into the seams of a base or cracks in the tablet. When it freezes overnight, it expands with massive force.
It pops corners off and splits bases wide open. Glue is useless here. We provide grave stone cleaning services that include repair. We clean the break and inject a stone epoxy. It welds the granite back together into one solid piece. It keeps the water out so the ice can't pry it apart again.
Hard Water Scale
The water here is hard. When the sprinklers hit a hot stone in July, the water dries fast, but the calcium stays. It creates a white, crusty haze that hides the inscription.
It bonds to the granite like cement. Families searching for headstone cleaning services near me often try to chip it off, but that scratches the polish. We use a specific cleaner that melts the minerals. The white haze vanishes, and the dark stone shines again.
Mower and Trimmer Scuffs
The grass grows thick in this river soil. The mowing crews move fast. They hit the stones with tires and trimmer lines.
We see black rubber marks burned onto the corners. Water won't touch it. We use a solvent that dissolves the rubber smear. We wipe it off and trim the sod back. It looks better, and it gives the landscapers a buffer zone.
Service Costs in Hamilton
Pricing depends on the job. Stabilizing a crumbling limestone marker costs more than washing a modern granite stone:
- Soot Removal: Cleaning industrial foundry grime.
- Consolidation: Hardening soft, sugary limestone.
- Leveling: Resetting stones in soft river mud.
- Statue Cleaning: Gentle care for detailed carvings.
We check the stone. We see what it needs. Then we give you a price.


