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3 1/2″ Wide Oak and Vinyl Adjustable Threshold

Adjustable Height Threshold 3 1/2" x 3/4" to 1 1/8"  

Enhance door functionality with the Pre-finished Adjustable Height Threshold. Ideal for any home looking to create a perfect seal underneath the door.  Adjustable Height Threshold 3 1/2" x 3/4" to 1 1/8", featuring a vinyl seal for a seamless connection. Easily adjust using a sliding wooden piece for the perfect fit. Crafted from durable unfinished oak, ideal for medium to heavy traffic in any setting. Pre-drilled holes, screws, and clear instructions ensure easy installation.

Elevate your space with the adjustable threshold, which offers an adaptable solution with a vinyl seal for enhanced energy efficiency. Crafted from sturdy unfinished oak, the threshold suits medium to heavy traffic. This item can easily be cut down with a hacksaw for a perfect fit.

Enjoy a hassle-free installation with pre-drilled holes, screws, and instructions included. Combining innovation and durability, the threshold enhances any space's appeal and functionality.


  • 3 1/2" Wide for Gaps 3/4" to 1 1/8" Adjustable Height Threshold with Vinyl Seal
  • Adjustable by using a sliding piece of wood to push vinyl to make perfect seam against door
  • Oak Threshold comes with Pre-drilled Holes
  • Can be cut down to any size
  • Pre-Finished Red Oak Molding (Lightly Stained with natural color and sealed with clear coat)
  • Comes with screws and installation instructions
  • Item number: WL-9
  • Made by Randall Manufacturing


  • Adjustable Height Threshold 3 1/2" Wide for gaps 3/4" to 1 1/8" 
  • Durable Unfinished Oak Threshold for medium to heavy traffic
  • Threshold creates a defined transition between two surfaces
  • Residential or Commercial Use
  • Cut threshold with hacksaw to desired length
  • Easy Installation
  • 3 1/2 in. wide | In 36", 48" or 72"

We Also have Available the Adjustable Height in 3 1/2" for (1" to 1 3/8") << Click Here 

Click Here to see more available "Aluminum" thresholds. 

Click Here to see all available "Oak Wood" thresholds.

Click Here for Replacement Vinyl for W-9, W-9-B, WL-9, WL-9-B

Additional information

Product Specifications

Item Number
3 FT WL-9
4 FT WL-9
6 FT WL-9
3' x 3 1/2"
4' x 3 1/2"
6' x 3 1/2"