1. High quality, resonable price
2. Door sealing strip ,weather strip 
3. Aluminium+PVC material 

 

Gaps between the bottom of door and the floor surface below can negatively affect the ability of your door to block infiltration of sound, light, drafts, air, dust and smoke. A properly sealed door prevents unnecessary energy usage and can significantly lower your utility bills.
A door bottom gap can be easily remedied with a door bottom sweep. This smoke rated door bottom is easily applied to the door. It is made of high quality aluminum and fitted with a soft PVC seal, which can seal small gaps up to 0.5".