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The M-D Aluminum Commercial Dome Top Low-profile Threshold is designed to seal the bottom of your door from drafts, moisture, dust and insects. This threshold is UL-fire rated to be compatible with fire rated doors. This feature reduces the spread of fire and smoke between rooms. To seal your doorway, this product should be used with a door sweep or an under door seal. All of the hardware needed for installation is included. Before installation, the threshold can be cut to a desired length by using a hacksaw.
