Thermwell W59/36H Aluminum Door Bottom 1.625x36 White

Product Description

The THERMWELL W59/36H is a white aluminum door bottom sweep designed to seal the gap between an exterior or interior door and an uneven floor surface. The extrusion measures 1.625 inches tall by 36 inches long and combines a rigid aluminum retainer with a flexible vinyl sweep. The vinyl sweep flexes to follow floor irregularities, maintaining consistent contact and reducing air infiltration, drafts, dust, and light intrusion. Adjustment is built in, allowing the installer to fine-tune the sweep height without removing the door. This product is installed by weatherization contractors, general contractors, and service technicians during door hardware or weathersealing work.

The W59/36H is suited for residential and light commercial applications where standard door bottoms are needed to improve energy efficiency and reduce drafts. It mounts to the face or bottom edge of the door and is appropriate for wood, steel, and fiberglass door types in standard 36-inch door openings. The white finish coordinates with painted door surfaces. Sold in package quantities of 24 units, making it a practical choice for multi-unit jobs or stocking at a trade counter.

Key Features

• Rigid aluminum retainer provides a stable mounting base that resists warping and corrosion
• Flexible vinyl sweep conforms to uneven or irregular floor surfaces for a consistent seal
• Built-in adjustment allows sweep height to be set after mounting without door removal
• White finish suits painted wood, steel, and fiberglass door faces
• 36-inch length fits standard residential door openings and can be cut to width
• Sold 24 units per package, suited for contractor or counter stock

Compatibility

Designed as an OEM-style replacement and new-installation door bottom sweep for standard 36-inch residential and light commercial doors.

Installation Notes

Door bottom sweeps of this type are installed by general contractors, weatherization technicians, or experienced DIYers using basic hand tools including a hacksaw or tin snips for cutting to width. The aluminum body can be trimmed to fit narrower openings before fastening. Mount with the door in place to confirm sweep contact with the floor surface, then adjust sweep height as needed before fully securing fasteners. No power shutdown is required for this installation, but ensure the door is stable and not in a high-traffic opening during fitting.