The I-10 Diesel Glaze
The 10 Freeway runs constantly. The air is full of diesel soot. It settles on the cemeteries 24 hours a day. It turns into a sticky black grease.
This isn't just dust. It is oily diesel soot and tire rubber. It lands on the headstones and cures into a black film. Water cannot wash it off because oil repels water.
If you run your finger over a marker, it leaves a black smudge. If you are searching for headstone cleaning services near me because the stone looks dark and dirty, that is traffic sludge. You can't scrub it off with soap. You just smear it. Tending uses specialized grave site cleaning services with industrial degreasers. We chemically lift this oil out of the stone pores. We strip the film to reveal the clean granite underneath without scrubbing away the polish.
Hillside "Creep"
Forest Lawn Covina Hills is built on steep slopes. Hillsides slide. When the dirt gets wet, it gets heavy. It moves downhill. We call this "soil creep."
The monument moves with it. It leans forward until it falls. We see headstones tipping forward constantly. The downhill side exposes the foundation; the uphill side gets buried in mud.
A leaning stone is a safety hazard. If you are searching for tombstone repair and restoration because a marker looks crooked, it is the hill moving. We monitor the grade. We don't just push dirt back under it. We install a friction barrier of angular gravel. This locks the foundation in place and drains the water, keeping the memorial upright even when the hill wants to slide.
Heat-Cracked Joints
The San Gabriel Valley traps heat. In summer, dark granite gets hot enough to burn skin. It expands. At night, it cools and shrinks.
This happens every single day. The rigid glue holding the tablet to the base can't take the movement. It cracks. The stone starts to wobble.
A loose headstone is dangerous. A strong wind or a minor tremor can knock it over. We check for these structural failures. We clean out the old, brittle cement. We re-set the stone using high-flex industrial epoxy. It acts like a shock absorber. It stretches with the heat, keeping the seal tight and the stone safe.
Hard Water Armor
Sprinklers run hard here. Sprinklers hit the hot stone. The water evaporates fast. The calcium stays behind. It bakes onto the surface like a layer of white cement.
It looks like concrete splatter. It covers the name and dates. You can't scrape it off; you will scratch the stone.
We use professional cleaning stone gravestones chemistry. We apply a descaler that melts the mineral bond. We turn the hard rock into a soft paste. We rinse it away, restoring the deep black contrast of the memorial.



