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Contractor-Focused Masonry Supply — Delivered Nationwide
Contractor-Focused Masonry Supply — Delivered Nationwide

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Drainage & Combination Systems

Drainage and combination flashing systems go beyond traditional membranes by actively managing water within the wall assembly. Designed to collect, channel, and evacuate moisture, these integrated solutions help reduce labor, prevent callbacks, and improve long-term wall performance. Ideal for CMU, cavity wall, and high-exposure applications where reliability matters most.

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  • Mortar Net BlockFlash flashing system designed for moisture drainage and protection in CMU masonry wall construction
    Save up to 21% Save %

    Mortar Net BlockFlash (100 Pieces/Box)

    $392.30
    $392.30 - $461.55
    $392.30
    $311.24 - $461.55
    $311.24 - $461.55
    $311.24
    100.0item | $3.11 / item

    BLOCKFLASH is a complete, embeddable flashing solution for managing moisture in exterior single wythe CMU walls. It uses patented flashing pans t...

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    $392.30
    $392.30 - $461.55
    $392.30
    $311.24 - $461.55
    $311.24 - $461.55
    $311.24
    100.0item | $3.11 / item
    Save up to 21% Save %

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