At some point the weight of the ash will cause the roof to collapse.
A roof made of straw or leaves is called a "THATCHED ROOF."
The ozone layer is found in the level called stratosphere. Ozone layer is within this layer.
It is called ozone layer. It contains most of the ozone layer.
The top layer of the Earth is called the crust and the layer made of the crust and the upper mantle is called the lithosphere
the emergent layer
A 'cold roof' has the insulation layer beneath the roof deckA 'warm roof' has the insulation layer beneath the roof deck
it is called a roof
The roof
The uppermost layer of the forest is called the canopy. It consists of the tallest trees that form a continuous leafy roof over the layers below. The canopy provides shade, shelter, and food for many animals living in the forest.
At some point the weight of the ash will cause the roof to collapse.
A roof coating is applied to a roof and it becomes the top layer of the roof. It is fully adhered to the roof and has elastic qualities allowing to stretch when needed and then shrink back to normal size without causing any damage to the roof.
There should be a layer of tar paper and then plywood.
Roof
It is what you called the planning for the roof.
A post that supports a roof is called a column.
The window in a ceiling or roof is called a Skylight.