Door bottoms, also called door sweeps, are an inexpensive and effective way to increase draft protection in your home. Door sweeps and bottoms are attached to the bottom of your door to provide a physical barrier, typically rubber, against cold that could seep through the crack between the door bottom and floor. A viable tool for keeping insects and rodents at bay.Door bottoms, also called door sweeps, are an inexpensive and effective way to increase draft protection in your home. Door sweeps and bottoms are attached to the bottom of your door to provide a physical barrier, typically , against cold that could seep through the crack between the door bottom and floor. A viable tool for keeping insects and rodents at bay.Door bottoms, also called door sweeps, are an inexpensive and effective way to increase draft protection in your home. Door sweeps and bottoms are attached to the bottom of your door to provide a physical barrier, typically against cold that could seep through the crack between the door bottom and floor. A viable tool for keeping insects and rodents at bay.Door bottoms, also called door sweeps, are an inexpensive and effective way to increase draft protection in your home. Door sweeps and bottoms are attached to the bottom of your door to provide a physical barrier, typically foam, against cold that could seep through the crack between the door bottom and floor. A viable tool for keeping insects and rodents at bay.Door bottoms, also called door sweeps, are an inexpensive and effective way to increase draft protection in your home. Door sweeps and bottoms are attached to the bottom of your door to provide a physical barrier, typically rubber, against cold that could seep through the crack between the door bottom and floor. A viable tool for keeping insects and rodents at bay.Door bottoms, also called door sweeps, are an inexpensive and effective way to increase draft protection in your home. Door sweeps and bottoms are attached to the bottom of your door to provide a physical barrier, typically , against cold that could seep through the crack between the door bottom and floor. A viable tool for keeping insects and rodents at bay.Door bottoms, also called door sweeps, are an inexpensive and effective way to increase draft protection in your home. Door sweeps and bottoms are attached to the bottom of your door to provide a physical barrier, typically against cold that could seep through the crack between the door bottom and floor. A viable tool for keeping insects and rodents at bay.Door bottoms, also called door sweeps, are an inexpensive and effective way to increase draft protection in your home. Door sweeps and bottoms are attached to the bottom of your door to provide a physical barrier, typically foam, against cold that could seep through the crack between the door bottom and floor. A viable tool for keeping insects and rodents at bay