Beaver Tail Counter Duster 13 1/2" (Wood Block) - MARSHALLTOWN KRAFT and the seal is maintained

and the seal is maintained with less pressure

This allows for easy and efficient drainage without trapping debris

Expansion joints

non-reactive

10 mil vapor barrier

Beaver Tail Counter Duster 13 1/2" (Wood Block) - MARSHALLTOWN KRAFT and the seal is maintainedProfessional grade counter duster designed for removing dried, loose mortar and debris from brick, block, and masonry surfaces after tuckpointing and laying operations. Manufactured with traditional wood block construction and distinctive beaver tail shape for effective cleaning without damaging mortar joints. The 13 1 2 inch length provides excellent coverage for efficiently brushing away dried mortar crumbs, dust, and loose particles from finished