CRL Aluminum Drain Block for B7S Base Shoe - 10/Pk Finish:Satin Anodized 3/8" Thick

3/8" Thick

90º Corner Set

304 Alloy 16 Gauge is Standard 316 Alloy on Special Order

Use HBD3816 Driver to Install Correctly

1" x 4" Z-Blade

CRL Aluminum Drain Block for B7S Base Shoe - 10/Pk Finish:Satin Anodized 3/8" ThickPlaced Under Base Shoe to Provide Drainage Space Great for Balconies and Decks Clear Anodized Finish Four Sizes to Fit All CRL Base Shoe Series Designed for Use with B7S and L56S Series Base Shoes Place CRL Aluminum Drain Blocks under exterior installed Base Shoe to provide drainage space for water run off. This is especially important where the Base Shoe will be installed on balconies or decks where water could dam up unless proper drainage is