Lijan Greentech is Leading Solution Provider in Ventilation. We Manufacture and Supply Turbo Roof Ventilator Fans, Louvers etc. It is Better to Install Turbo Ventilator Fans Perpendicular to Ground Level. Some People Install it Perpendicular to Roof Level on a Sloped Roof. Such Installation may Cause Wear and Tear on Rotating Parts and Ventilators Become Slower in the Long Run and May Come to Stand Still. A Stagnant Roof Ventilator on a Sloped Roof Cause Rain Water Entry Inside Building.
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