Door Jam
Easy to install..
Custom sized flood barrier protects doorways, windows and building content from heavy rain and flooding. Easily slides in and out of pre-mounted channels with no tools necessary. This flood barrier is fitted with a high quality marine grade aluminum and closed cell sponge neoprene strips. A unique rubber at the bottom of the barrier has a triple fin design which ensures a water-tight seal along the bottom.
What Are Door Dam Flood Barriers: This high quality, removable barrier answers pleas from builders and homeowners for help in protecting doors, windows and building contents from water ingress in flood-prone areas. When water from heavy rains accumulates, the Flood Barrier Shield effectively blocks up to three feet or more of flood waters from permeating door openings.Â
How it Works: The solid rubber extrusion (SRE) has been engineered for this specific application. The rubber compensates for any gaps around the door or window. Along the bottom of the barrier, there is a unique triple fin rubber. As water hits the barrier, the horizontal hydrostatic pressure is converted to downward pressure on the SRE causing a secure, tight seal around the perimeter of the frame.
Available Sizes:Â
How to Use: Once channels are applied, panels are quick and easy to apply with no tools required. See Installation Tab for more details. Due to the weight of the plates, taller plates may require more than one person to install properly. Barrier has a convenient grip handle for simple maneuvering and usage.
Mount Type:Â
How to Measure for Floor Barrier Width:
Floor Surface Requirements: If being installed onto a smooth, straight surface, no additional threshold is necessary. If the floor surface that this barrier will sit upon is not smooth, we highly recommend the following saddles:
Channel and Threshold Installation: We recommend using a waterproof silicone sealent like the TruSil 100 to seal the edges of the channels and bottom of threshold when installing.
Materials:
Panel Weight: Approximately 3.2 Lb / square foot
Grip Handles: Grip handles are applied to allow for easy installation. Note, the grip handles are positioned within 1" above the ordered height.
Compliance Details: This flood barrier complies with FEMA and FIA Guidelines
*A Note about FEMA Certification: FEMA neither certifies products nor sends out individualized approval of products. However, this flood barrier shield does satisfy FEMA Technical Bulletin 3-93 which describes design, construction, planning, and certification requirements for the flood proofing of non-residential buildings under NFIP regulations. TM's Flood Barrier Shield for doors has been engineered to far exceed FEMA's definition of flood proofing. As a company we can provide you with a letter stating that our product does meet the minimum standards set be forth by FEMA and the U.S Army Corps of Engineers, however a letter from those specific companies does not exist to our knowledge.
Click here to view Product Specifications.
Please note, images are for illustrative purposes only. They are not actual photos. Therefore, actual colors may vary slightly and size many be enlarged to show detail. See product specs for exact measurements.
This product has a 3 year guarantee against defects in material and workmanship.
 Click here to view our full Warranty Policy.
Flood Barrier Shield is custom fabricated.
Specify exact height and width needed, and mounting option required.

The unit complies with standards of the Federal Emergency Management Agency (FEMA) and Federal Insurance Administration (FIA) for use on doors in flood-prone areas.
![]() | ![]() |
 *A Note about FEMA Certification: FEMA neither certifies products nor sends out individualized approval of products. However, this flood barrier shield does satisfy FEMA Technical Bulletin 3-93 which describes design, construction, planning, and certification requirements for the flood proofing of non-residential buildings under NFIP regulations. TM's Flood Barrier Shield for doors has been engineered to far exceed FEMA's definition of flood proofing. As a company we can provide you with a letter stating that our product does meet the minimum standards set be forth by FEMA and the U.S Army Corps of Engineers, however a letter from those specific companies does not exist to our knowledge.
Easy to install..
I purchased a Door Dam for my side garage entry as we live in Florida on the water. we have never flooded but the last storm came with high tidal surge. As a precaution I purchased some barriers including this Door Dam. The quality of this custom appliance was top shelf and it was easy to install the brackets that hold it in place. Thanks Trademark Hardware!! Best, Paul
Great product and great customer service too.
product received and is being installed, so far, they look good just waiting on a good storm.
The Door Dam is easily installed and provides the peace of mind during questionable periods of intense rainfall and rising water. I installed this one for my elderly neighbors after they saw the effectiveness of my two Door Dams in mitigating water damage through the door jambs.
Simon was very helpful in figuring out what I should buy. Item arrived promptly. #sweepstakes
This product is just a lifesaver. It' works!!! Craftsmanship is top notch. Thank you.
Bought 2 after Hurricane Ida caused flooding in my home. They have barriers just like this in Venice, Italy. Definitely worth it.
Installed in seconds now I have to wait for snow and rain to c if it works like it looks like it will
It fits.