CRL Aluminum Base Shoe Drain Blocks in Black

Placed Under Base Shoe to Provide Drain Space Great for Balconies and Decks Place CRL Aluminum Drain Blocks under exterior installed Base Shoes to provide drainage space for water run-off. This is especially important where Base Shoe will be installed on balconies or decks where water could pool unless proper drainage is available. One Drain Block should be placed under each mounting hole. Blocks can be rotated to fit different width Base Shoes. Minimum order is one package which contains 10 each.