Randall PVC Slide-On Door Bottom with Drip Cap – Adjustable Weatherstrip for 1 3/4 inch Doors, 36 inch, Black, Gap 3/8–7/8 inch | Made in USA

Randall PVC Slide-On Door Bottom with Drip Cap

This adjustable PVC door bottom from Randall Manufacturing Co., Inc. is designed to seal the bottom edge of 1 3/4 inch doors. With a 36 inch length and a built-in drip cap, it directs rain away from the threshold while reducing drafts and moisture intrusion. It fits gaps ranging from 3/8 inch to 7/8 inch, making it a versatile solution for both metal and wooden doors. The product ships with screws and matching heads, ensuring a clean appearance when installed on a variety of door finishes. A bulb-and-fin sealing system adds resilience against irregular floor contours, providing a robust barrier that adapts to uneven surfaces. Made in America, this door bottom reflects Randall’s legacy of practical, durable home improvement products.

Key benefits

• Adjustable to gaps from 3/8" to 7/8" for a snug fit on most standard doors.
• Built-in drip cap diverts rainwater away from the door’s underside and threshold.
• Bulb-and-fin design creates a flexible, compressible barrier for better sealing.
• Screws included with color-matched heads for a cohesive finish.
• American-made quality, designed for durability on both residential and commercial projects.

Real-world use and outcomes

Envision replacing a worn bottom on a front entry or a basement door. The 36 inch length suits most standard doors, while the 1 3/4 inch width target supports straightforward installation on metal or wood frames. The drip cap helps keep water away from the threshold, and the bulb-and-fin seal provides a stronger barrier against drafts and dust. While individual results vary, the combination of materials, design, and fit can contribute to a steadier indoor environment and fewer wind-driven inconveniences near entry points.

In everyday settings such as homes or small offices, this door bottom may also help reduce noise transmission from outside and minimize moisture intrusion under doors in damp climates. The kit’s simple installation and included mounting hardware make it accessible to DIY enthusiasts and professional installers alike.

Ideal applications and installation notes

• Residential entry doors seeking a clean, low-profile weather seal.
• Basement and utility doors exposed to moisture or dust.
• Garage doors or metal doors where consistent weatherproofing is helpful.

For best results, follow the included instructions. The 3-foot length aligns with standard door heights, and slotted installation holes provide flexible mounting options to accommodate door and threshold variations.