Latching Panic Rabbeted Saddle/Threshold w Silicone Seal - Mill Aluminum - 5" x 1/2" - ADA Compliant
Rabbeted threshold LH3665 made from aluminum, 5" wide and 1/2" high. Fills the gap between the floor and the door bottom so drafts and water stay outside.
Made to order — ships in 7 business daysFinal sale. See return policy
Key specifications
- 5" wide and 1/2" high, with a raised ridge that latches a vertical rod exit device at the floor
- Neoprene bumper, pre-drilled and with screws included — the seal keeps its shape year after year
- Bumper and finger flap seal together — noise, drafts, smoke, and heat stay on one side of the door
- Levels the change between two floor coverings — safer underfoot and less conditioned air lost
- Extruded aluminum in a mill finish — tough enough for a steel or aluminum frame in daily use
- ADA compliant and UL listed as fire rated — cleared for use on a rated, accessible exit door
- Fluted Top — the grooves grip wet shoes, and slip-resistant or luminescent coating is available
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Model "Model" is the general product. "SKU" is a specific variant of the general product based on options you choose (when relevant).
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Price Price varies by length and finish
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From $36.86 |
From $38.93 |
From $25.20 |
From $42.64 |
Brand |
Embassy Hardware
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Embassy Hardware
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Embassy Hardware
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Embassy Hardware
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Available Finishes Every finish this model is made in, not only the one shown
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Width |
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Height How far it stands above the floor
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Seal Type The seal that meets the door bottom
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Rabbet Width The width of the channel the door bottom sits into
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Rabbet Depth How high that channel is
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Required Door Clearance The gap needed under the door for the threshold to work
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Compliance Standards The ANSI/BHMA, UL, ADA and other standards this product is certified to
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Ships Within (Business Days) Business days before it leaves the warehouse
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About the brand
Embassy
Embassy is Homebuilders Hardware's premium residential and architectural brand. Designed for builders and homeowners who demand top-tier finish quality, durability, and a refined aesthetic. Backed by our Product Guarantee.
The LH3665 is a rabbeted threshold in aluminum, 5" wide and 1/2" high. It bridges the floor at the opening, closing the gap under the door against drafts, rain and dust.
Why a rabbeted threshold
A rabbeted threshold is stepped rather than flat, so the door closes down into the step instead of just over it. That step is what blocks driven rain and wind on an exposed exterior opening.
At this height it meets the ADA Standards for Accessible Design and ICC/ANSI A117.1 — low enough for a wheelchair to cross without a lip to climb, and low enough not to catch a toe. On an accessible opening that is a requirement, not a preference.
What to check before you order
The width of your opening. Available in . Order the nearest length up and cut to fit.
The floor either side. A threshold stands 1/2" above the floor, so check the door still clears it and that the height works with whatever flooring meets it.
Flathead zinc-plated screws are included. Longer lengths than those listed can be ordered; they ship by freight because of their size, so contact us and we will quote it.
- 1 Threshold and Flathead Zinc plated Screws – #10 x 1-1/2″
Free standard shipping on orders of $299 or more.
Quick Ship items can be returned within 30 days, unused and in their original packaging (20% restocking fee).
Made-to-Order items are custom produced for your order and are final sale.
See our Shipping Policy and Refund & Return Policy.
Have a question about this product? Visit our FAQ page or contact us — we typically respond within one business day.
Same-day Shipping
Quick Ship items ship the day you order
Order by 4 pm ET (noon on Fridays). From our New York warehouse.



