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The MD BUILDING PRODUCTS 07153 is a Flex-O-Matic automatic door sweep designed to seal the gap at the bottom of a standard 36-inch door. When the door closes, the sweep mechanism automatically drops the seal into contact with the threshold, blocking drafts, dust, insects, and noise infiltration. When the door opens, the seal lifts clear to prevent drag across flooring. Finished in bronze, the unit suits wood or metal door construction in residential and light commercial settings. Licensed contractors, carpenters, and experienced DIYers perform this installation without specialty tools.
This door sweep fits 36-inch wide doors and is appropriate for exterior or interior door applications where a positive bottom seal is required. The automatic drop-down action makes it well suited for finished floors where a fixed sweep would cause surface wear. Typical install scenarios include entry doors, utility room doors, and any door where energy efficiency or pest exclusion is a priority. The bronze finish coordinates with standard door hardware in residential construction.
Designed as an OEM-style replacement or new-installation door sweep for standard 36-inch residential and light commercial doors requiring an automatic bottom seal.
Installation is typically performed by a carpenter, general contractor, or experienced DIYer using a drill, screwdriver, and tape measure. Power down any connected door alarm or access-control circuit before drilling into the door. Mount the sweep body to the interior face of the door per the manufacturer template, ensuring the seal element contacts the threshold evenly across the full width. Do not over-tighten mounting screws on hollow-core doors, as this may cause the door face to deform.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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