New EverLast™ Door for crawl space. EverLast™ crawl space doors from are made from ½-in.-thick PVC plastic that is just about indestructible. Standard sizes are available, but your Basement Systems contractor can also order and install a custom-size door. Small doors are usually installed with a couple of weatherproof threaded knobs that come with the door. Larger doors require 4 knobs.
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