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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 Single-Wythe CMU Flashing – 100/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 %
  • Mortar Net TotalFlash 18" x 5' panels for effective masonry flashing and water management.

    Mortar Net TotalFlash 18" Masonry Flashing System – 50' Box

    $524.76 - $1,117.05
    $524.76 - $1,117.05
    $524.76 - $1,117.05
    $524.76
    50.0ft | $11.23 / ft

    MASONRY CAVITY WALL DRAINAGE SOLUTION TotalFlash is a complete, factory-assembled masonry cavity wall flashing system that simplifies installation,...

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    $524.76 - $1,117.05
    $524.76 - $1,117.05
    $524.76 - $1,117.05
    $524.76
    50.0ft | $11.23 / ft
  • York Flash-Vent Max masonry wall vent for contractors, designed for moisture drainage and ventilation in brick veneer walls

    York Flash-Vent Max - 50' Roll

    $38.98 - $350.77
    $38.98 - $350.77
    $38.98 - $350.77
    $38.98
    50.0ft | $0.78 / ft

    Flash-Vent™ Max is a self-adhering butyl drainage-plane flashing that combines an air- and watertight membrane with an integrated drainage fabric. ...

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    $38.98 - $350.77
    $38.98 - $350.77
    $38.98 - $350.77
    $38.98
    50.0ft | $0.78 / ft
  • Mortar Net TotalFlash 18" x 5' panels for effective masonry flashing and water management.

    Mortar Net TotalFlash 12" Masonry Flashing System – 50' Box

    $453.29 - $924.45
    $453.29 - $924.45
    $453.29 - $924.45
    $453.29
    50.0ft | $9.55 / ft

    MASONRY CAVITY WALL DRAINAGE SOLUTION TotalFlash is a complete, factory-assembled masonry cavity wall flashing system that simplifies installation,...

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    $453.29 - $924.45
    $453.29 - $924.45
    $453.29 - $924.45
    $453.29
    50.0ft | $9.55 / ft
  • Illustration showing the anatomy of a TotalFlash 90 roll, which includes a drainage mat and weep tabs, with labels indicating the built-in non-clog, total flash, and drainage features.

    Mortar Net TotalFlash Roll Masonry Flashing System

    $331.31 - $1,597.70
    $331.31 - $1,597.70
    $331.31 - $1,597.70
    $331.31
    225.0ft | $4.05 / ft

    TOTALFLASH® ROLL MASONRY CAVITY WALL DRAINAGE SOLUTION IT'S MUCH MORE THAN JUST FLASHING KEEP VENEER WALLS DRY AND INSTALL FASTER WITH TOTALFLASH T...

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    $331.31 - $1,597.70
    $331.31 - $1,597.70
    $331.31 - $1,597.70
    $331.31
    225.0ft | $4.05 / ft
  • Mortar Net TotalFlash 18" x 5' panels for effective masonry flashing and water management.

    Mortar Net TotalFlash 24" Masonry Flashing System – 50' Box

    $609.76 - $1,422.17
    $609.76 - $1,422.17
    $609.76 - $1,422.17
    $609.76
    50.0ft | $13.18 / ft

    MASONRY CAVITY WALL DRAINAGE SOLUTION TotalFlash is a complete, factory-assembled masonry cavity wall flashing system that simplifies installation,...

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    $609.76 - $1,422.17
    $609.76 - $1,422.17
    $609.76 - $1,422.17
    $609.76
    50.0ft | $13.18 / ft
  • Mortar Net BlockNet for efficient brick and block wall construction with clean mortar joints.

    Mortar Net BlockNet (20 Pieces/Box)

    $866.70 - $866.70
    $866.70
    $866.70 - $866.70
    $866.70
    110.0ft | $7.88 / ft

    BLOCKNET CMU SINGLE WYTHE FLASHING SOLUTION reliably protects CMU walls from water infiltration damage by enabling moisture to easily drain from th...

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    $866.70 - $866.70
    $866.70
    $866.70 - $866.70
    $866.70
    110.0ft | $7.88 / ft

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