DUPONT ROOFING

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Modified bitumen flat roof with membrane undulation, Washington DC
Roof tips

Nail Pop Through a Modbit Roof

Today we’re examining the conditions of a modified bitumen roof membrane that looks relatively consistent overall.  At a glance, it looks better than many of

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Ferrous metal coping at the parapet edge of a historic building in Washington DC
Roof tips

Ferrous Metals in Roofing

In most cases, the use of ferrous metals have been removed or replaced in the roofing industry in recent generations. There are many cases though,

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