Jamsill Guard® sill pans have been providing superior protection to builders and homeowners since 1983.

Become a Jamsill Guard® dealer and order our bulk pack or the easy to sell Single Packs at case price.

Each Single Pack contains:

  • 1 complete Jamsill Guard®
  • PVC cement and application brush
  • Installation guidelines

No other sill pan on the market today can offer the same protection and quality of the Jamsill Guard®. Look around and you’ll see, not only is it the original door and window sill pan flashing, it is the best!

Existing Dealers

We now have counter top brochure holders and 8 1/2″ x 11″ full color brochures. Contact us today for your free brochure holder and brochures!

New Dealers

We offer a free counter top brochure holder and brochures. Just mention it to us when you place your initial order and we’ll ship it out with the order!

PREVENT Costly Damage

Jamsill Guard® works to provide barrier to protect door and window sills from water damage, dry rot and mold!

At YOUR Favorite Hardware Store

Jamsill Guard® sill can be found at many local Lumber and Building Supply outlets all across the USA and is also available online at You can also give us a call or fill out our contact form for personalized help locating our products near you.

Fast, Easy 2-STEP Installation

Jamsill Guard® use three piece permanently seamed together to form a water-tight sill pan to protect your home or project!