Flat roofs, particularly those at a low level, may be more easily accessed and allow entry to more vulnerable areas, whilst potentially obscuring the attacker from view. Depending on the construction of materials used, may make these locations more susceptible to intrusion either by cutting through the deck or forcing open roof lights or other openings.

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External rainwater pipes which are proud to the building, can support climbing and therefore provide vulnerability to upper levels and roofing.

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Non Certified rooflights

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