Ideally the stones are river gravel which has smooth edges and won t cut into the roof when somebody walks around on it.
Rock the roof meaning.
Even though the asphalt waterproofs the roof highly important for flat roofs the gravel provides an important life extending extra layer.
It probably is related to a literal roof of a house.
To get very angry.
To rise to a very high level.
They are exposed by erosion of the overlying rock.
To rise to a very high level.
Go through the roof definition.
Roof pendants can be studied to determine some of the conditions that existed at the time of intrusion such as the temperature and fluid composition of the magma.
The presence of roof pendants indicates that the igneous body is being observed near its upper surface.
Origin of through the roof this expression originated in the first half of the 1900s.
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.
Meaning pronunciation translations and examples.