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HydroCorner is Benjamin Obdyke's inexpensive option for protecting a window sill from moisture intrusion. Place one HydroCorner in each sill corner, and then cover with a piece of self-adhered flashing for a quick and easy-to-install sill treatment. Durable material resists cracking in cold weather or damage during window installation.
See "Related Products" below for more options.
HydroCorner offers an inexpensive way to protect a window sill from moisture: