SureSill Adjustable Sloped Sill Pan

Keep water out

SureSill Adjustable Sloped Sill Pan

Keep water out
Keep water & mold out for good. Install doors and windows properly the first time.

PVC plastic construction provides durable flexibility. Designed to prevent water intrusion and mold and stop leakage

Protect doors & windows by draining out water.

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Product Details

  • Versatile Size Range: Fits 11 different door and window frame sizes from 3-1/4" to 7-1/4", covering rough openings up to 150 inches wide.
  • Customizable Design: Scores and breaks as needed for easy installation with a spare front lip, allowing a tailored fit.
  • Adjustable Length: Use SureSill Flex Cap to combine pans together, covering rough openings up to 12 ft 6 in wide.
  • Positive Slope Support: Ensures continuous support for doors and windows with a slope for effective exterior drainage.
  • Robust Material: Constructed from durable PVC, offering lasting protection against moisture, rot, decay, and mold.
  • Mold Prevention: Specifically designed to combat water intrusion, a primary cause of mold in buildings.
  • Code Compliance: Meets and exceeds various IRC standards and ASTM 2112-07 requirements.
  • Easy Assembly: Includes Flex-Caps for straightforward alignment and assembly.
  • Warranty: Comes with a 10-year limited warranty, ensuring long-term reliability and performance.

How to Install

Window & Door Installation & Flashing for Best Practice use SureSill Sloped Sill Pan Flashing
Widths/Door Jamb Sizes:
  • 3-1/4”
  • 3-5/8”
  • 4-1/8”
  • 4-9/16”
  • 5-1/4”
  • 5-3/4”
  • 6-1/8”
  • 6-9/16”
  • 6-13/16”
  • 7-1/4”
  • 39”
  • 80”

*Can be cut down to fit any rough opening

📏 Up to 150” wide when combining multiple pans using Flex Cap


proposition 65 reasons: N/A
Attention California residents: This product can expose you to chemicals including Bisphenol A (BPA), which is known to the State of California to cause birth defects or other reproductive harm.