A barrier put in on the backside of a door, the place it meets the ground, seals the hole to stop air and water infiltration. Frequent supplies embody rubber, silicone, felt, vinyl, and metallic. An instance is a skinny strip of aluminum with a versatile vinyl insert that conforms to the edge’s form.
Efficient sealing considerably improves power effectivity by lowering drafts, which in flip lowers heating and cooling prices. It additionally minimizes noise transmission and prevents the entry of mud, bugs, and pests. Traditionally, easy supplies like felt or rags had been employed, however advances in materials science have led to extra sturdy and efficient options.
