Roofs need proper drainage to prevent moisture damage and those with hardly any slope depend on it even more. It doesn’t take long before ponding water results in severe leakage. When left unaddressed for too long, the entire roof could collapse due to hydrostatic pressure. Considering that one-inch deep ponds typically weigh about 5.2 pounds per square foot, it’s imperative to have thoughtfully designed drains that inhibit significant water accumulation.
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