If you're thinking of buying a louvered roof drainage system, and your house already has eaves troughs in place, try an experiment to test whether your basement is up to the additional water next ...

The continuous louver system consists of a support structure to which blades are fitted. The support structure carries the complete louver assembly and is formed by vertically or horizontally ...

Description: The 1.5-inch-deep, horizontally-bladed stationary louver is Florida Building Code-certified ... the AEL-42-7020-MD permits ample fresh air ventilation without comprising PTAC system ...