The Thermwell Adjustable Height Door Threshold is designed to provide a secure seal for exterior doors, helping to keep out drafts, dust, and moisture. This adjustable door threshold features extruded aluminum construction with a mill finish and a replaceable vinyl insert, making it both durable and easy to maintain. The channel adjusts to accommodate different door heights, compensating for uneven door bottoms and sealing gaps from 7/8 in. to 1-5/16 in. Ideal for use as an adjustable exterior door threshold, it is perfect for entrance doors where a tight seal is essential for energy efficiency and comfort. The threshold comes with screws included for easy installation, making it a convenient choice for homeowners looking to upgrade their doorways. Whether you need an adjustable threshold for a doorway or are replacing an existing threshold, this product offers reliable performance and a secure fit. The Thermwell Adjustable Height Door Threshold is a practical solution for anyone seeking to improve insulation and protection at their exterior doors.
WARNING: 
![Adjustable Height Aluminum Threshold W/Vinyl Seal 3 1/2" Wide for 5/8" to 1 1/8" (3 FT [36"] Long)](https://i5.walmartimages.com/asr/2a0e3a40-65e1-463f-a13a-00826d01bb86.01cb35ebc57732f1e8b2432be4513086.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
![Adjustable Height Aluminum Threshold W/Vinyl Seal 3 1/2" Wide for Gaps 5/8" to 1 1/8" (3 FT [36"] Long)](https://i5.walmartimages.com/asr/b951d775-6e96-4d01-ae72-32c805bc7a70.6dc8f1750cdbf1a38027f456749eb320.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
