Go through the roof definition.
Rock the roof meaning.
To rise to a very high level.
A rooftop is the outside part of the roof of a building.
To reach extreme heights.
It probably is related to a literal roof of a house.
Meaning pronunciation translations and examples.
To get very angry.
The weatherproofing layer of gravel gives the roof s surface a longer life and helps prevent cracking blistering and degradation which could lead to leaks or other material failures over time.
The presence of roof pendants indicates that the igneous body is being observed near its upper surface.
Even though the asphalt waterproofs the roof highly important for flat roofs the gravel provides an important life extending extra layer.
Ideally the stones are river gravel which has smooth edges and won t cut into the roof when somebody walks around on it.
I assume you re not talking about rocks meaning boulders but rather the layer of small stones you see not just on gas stations but on many flat roofs.
They are exposed by erosion of the overlying rock.