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| Core Cut Test on Four Ply BUR with Fibrous Glass Insulation | Core Cut Test on Four Ply BUR with Perlite Insulation | Cut Test of Inverted Roofing Assembly with Extruded Type IV Polystyrene Roofing Insulation and Concrete Pavers |
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| Core Cut Test on Four Ply BUR with Wet Fibreboard Insulation | Core Cut Test on Four Ply BUR with Wet Fibreboard Insulation | Four Ply Roofing Membrane Ridge |
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| Ridged Four Ply Roof Membrane Due to Roof Insulation Movement | Poor Detailing of Gas Line at the Penetration Point into the Roofing System | Open and Unsealed Vent Stack Due to Lack of Tall Cone Flashing and Improper Rain Collar |
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