4''W x 1/4''H x 36''L- Aluminum Door Threshold (Mill Aluminum)- Door Saddle- ADA accessible Barrier Free- Fire Rated- Door Thresholds for Exterior Doors- B302A

4W x 1/4H x 36L Aluminum Door Threshold for ADA Exterior Doors
✔️ Premium mill aluminum threshold, 4 in wide, 1/4 in tall, 36 in long

This Mill Aluminum threshold is built for exterior doors in both homes and commercial spaces. It delivers a weatherproof seal, supports steady door operation, and aligns with ADA barrier-free access requirements. Screws included for straightforward installation, whether you’re replacing an old saddle or outfitting a new entry.

✅ Heavy‑duty mill aluminum construction for durability and weather resistance
✅ Available in 36 in and 48 in lengths to fit different doorway widths
✅ 4 in, 5 in, or 6 in wide options with 1/4 in height for a low profile
✅ Seals drafts and moisture to reduce energy loss at exterior door entries
✅ Includes screws for quick DIY installation in most exterior entries

💡 What is an exterior door threshold used for and how does it help with barrier-free access?

- Seals gaps under doors to keep weather out and improve energy efficiency - Supports door operation and prevents sagging for long-term alignment - Provides ADA compliant barrier-free access and smooth transitions