M-d Building Products 05512 Concealed Door Bottom Vinyl Seal

Product Description

The M-D BUILDING PRODUCTS 05512 is a concealed door bottom seal constructed from extruded aluminum with an integrated vinyl seal insert. It mounts to the inside bottom face of a door and closes gaps up to 0.5 inches between the door bottom and the threshold. When the door closes, the vinyl seal contacts the threshold surface to block drafts, moisture, dust, and insects from passing through. At 36 inches in length, it fits standard single-door applications and installs without requiring threshold replacement. This type of hardware is typically installed by finish carpenters, general contractors, or experienced DIYers during door weatherization work.

This door bottom seal is suited for residential entry doors, interior doors where environmental separation is needed, and light commercial applications. It is commonly installed on wood or metal doors where the gap between the door slab and the threshold allows air infiltration or moisture intrusion. The concealed design keeps the seal mechanism hidden from view when the door is open, maintaining a clean finished appearance on the interior side.

Key Features

• Extruded aluminum construction provides a durable, corrosion-resistant housing
• Integrated vinyl seal closes gaps up to 0.5 inches between door bottom and threshold
• Concealed mounting profile is not visible from the exterior when the door is open
• 36-inch length fits standard single-door widths and can be trimmed to fit narrower doors
• Blocks drafts, moisture, dust, and insects at the door base
• Aluminum finish coordinates with standard door hardware finishes

Compatibility

Designed as an OEM-style replacement or new-installation door bottom seal for standard 36-inch residential and light commercial doors where a concealed profile and vinyl sealing element are required.

Installation Notes

Installation is typically performed by a finish carpenter or general contractor using basic hand tools including a drill, screwdriver, and hacksaw or tin snips for length trimming. Before installation, ensure the door is closed and the exact gap measurement between door bottom and threshold is confirmed to fall within the 0.5-inch sealing range of this product. The door should be removed or held stationary during fitting to allow accurate screw placement along the door bottom face. Follow all applicable local building codes related to weatherization and energy efficiency for the jurisdiction.

Technical Specifications

• Material: Extruded aluminum with vinyl seal
• Length: 36 inches
• Maximum Gap Coverage: 0.5 inches
• Color/Finish: Aluminum
• Weight: 0.575 pounds
• Sold As: Each
• UPC: 00043374055122

Standard Information

• Brand: M-D BUILDING PRODUCTS
• Manufacturer Part Number: 05512