
Roofing contractors glossary
Aggregate: The make-up of materials for the surfacing or ballast of a roof, containing a mixture of stone, rock, crushed slag, gravel or marble chips ...
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Aggregate: The make-up of materials for the surfacing or ballast of a roof, containing a mixture of stone, rock, crushed slag, gravel or marble chips ...

Aggregate: The make-up of materials for the surfacing or ballast of a roof, containing a mixture of stone, rock, crushed slag, gravel or marble chips ...
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One of the first areas to look at for roof repairs is damage to any roof timbers. Look for rot caused by damp. These will ...
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