HydroCorner Sill Treatment

HydroCorner™ is an 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 (HydroFlash®) for a quick and easy-to-install sill treatment.

• Prevents water intrusion at window/wall interface keeping walls dry
• Durable material resists cracking in cold weather or damage during window installation
• Easy to install – no special tools / cutting required
• Inexpensive, minimum increase in “installed” cost
• Speeds sill pan assembly
• Meets the sill pan requirement for Energy Star Home