M-D 3-7/8" x 1/2" x 36" Silver Aluminum Commercial Flat-Profile Threshold is expertly designed to seal the bottom of your door, protecting your space from drafts, moisture, dust, and insects. This threshold meets ADA approval, making it an excellent choice for doorways that require wheelchair accessibility. It is UL-fire rated, ensuring compatibility with fire-rated doors and helping to prevent the spread of fire and smoke between rooms. For optimal sealing, it is to use this threshold in combination with a door sweep or under door seal. Installation is straightforward with all necessary hardware included, and the threshold can be easily cut to your desired length using a hacksaw before installation. Model Number: 8763