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DISCOUNTS ON BULK QUANTITIES! FREE SHIPPING ON ORDERS $1,500+
DISCOUNTS ON BULK QUANTITIES! FREE SHIPPING ON ORDERS $1,500+

MTI

Masonry Technology Incorporated (MTI) is a leader in moisture management solutions, revolutionizing the industry with innovative products that tackle the challenges of incidental moisture. Founded by John Koester, a mason, builder, and waterproofing expert, MTI was born from a desire to create smarter, gravity-compatible drainage solutions. Starting from humble beginnings in a Twin Cities garage, the company has grown into a trusted name with over three decades of experience.

MTI offers a range of high-quality products, including rainscreen drainage planes, control cavity systems, and window moisture management solutions. With a focus on problem-solving, MTI has consulted on thousands of unique projects, providing custom solutions, detailed technical support, and expert guidance.

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  • MTI Wall Opening Weeps (100 Pieces/Box)

    $158.46 - $158.46
    $158.46
    $158.46 - $158.46
    $158.46

    MTI WALL OPENING WEEPS  VERSATILE WEEPS FOR PREDICTABLE MOISTURE MANAGEMENT WOW 9095 Wall Opening Weeps™ are designed to provide versatile, effecti...

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    $158.46 - $158.46
    $158.46
    $158.46 - $158.46
    $158.46

  • MTI Floor Edging

    $118.83 - $468.93
    $118.83 - $468.93
    $118.83 - $468.93
    $118.83

    FLOOR EDGING™ FOR DRY BASEMENTS FE 8555 KEEP BASEMENTS DRY WITH MTI Transform damp and dreary basements into comfortable, usable living spaces with...

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    $118.83 - $468.93
    $118.83 - $468.93
    $118.83 - $468.93
    $118.83

  • MTI Corrugated Lath Strip

    $69.12 - $1,200.00
    $69.12 - $1,200.00
    $69.12 - $1,200.00
    $69.12

    MTI CORRUGATED LATH STRIP™ FURRING STRIPS FOR SIDING & EIFS DRAINAGE STRIP CLS 2316, CLS 3845-18, CLSW 3845-18, CLS 3845-316 Protect your build...

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    $69.12 - $1,200.00
    $69.12 - $1,200.00
    $69.12 - $1,200.00
    $69.12

  • MTI Sure Cavity

    $215.26 - $430.52
    $215.26 - $430.52
    $215.26 - $430.52
    $215.26

    SURE CAVITY® RAINSCREEN DRAINAGE PLANE SC 5016, SC 5032 WHY RAINSCREEN? NO WALL IS WATERPROOF Modern, airtight buildings are at a higher risk for m...

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    $215.26 - $430.52
    $215.26 - $430.52
    $215.26 - $430.52
    $215.26

  • MTI Vent Mat

    $142.65 - $618.46
    $142.65 - $618.46
    $142.65 - $618.46
    $142.65

    VENT MAT™ WEEPS FOR BLOCK BASEMENT WALLS VM 9025 Block basement walls are cost-effective but prone to moisture infiltration, leading to damp interi...

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    $142.65 - $618.46
    $142.65 - $618.46
    $142.65 - $618.46
    $142.65

  • MTI Retrofit Weep (64 Pieces/Box)

    $88.62 - $88.62
    $88.62
    $88.62 - $88.62
    $88.62

    MTI RETROFIT WEEP™ THE ONLY COMPLETE RETROFIT WEEP™ SYSTEM MRW 3408 WHY MTI RETROFIT WEEPS? The MTI Retrofit Weep™ system is the one and only COMPL...

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    $88.62 - $88.62
    $88.62
    $88.62 - $88.62
    $88.62

  • MTI 10mm Sure Cavity

    $129.97 - $259.94
    $129.97 - $259.94
    $129.97 - $259.94
    $129.97

    10MM SURE CAVITY® RAINSCREEN DRAINAGE PLANE SCMM 2516, SCMM 2532 ADVANCED MOISTURE MANAGEMENT WITH EASE 10mm Sure Cavity® is a high-performance rai...

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    $129.97 - $259.94
    $129.97 - $259.94
    $129.97 - $259.94
    $129.97

  • MTI Control Cavity

    $205.10 - $205.10
    $205.10
    $205.10 - $205.10
    $205.10

    CONTROL CAVITY™ BASEMENT DRAINAGE MAT CC 4800, CC 4810 KEEP BASEMENTS DRY WITH MTI Transform damp basements into comfortable, dry living spaces wit...

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    $205.10 - $205.10
    $205.10
    $205.10 - $205.10
    $205.10

  • MTI Stone Cavity Weep

    $144.86 - $632.30
    $144.86 - $632.30
    $144.86 - $632.30
    $144.86

    MTI STONE CAVITY WEEP  SELF-SPACED WEEPS FOR NATURAL STONE SCV 5012 Stone Cavity Weep™ provides an efficient and reliable solution for drainage in ...

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    $144.86 - $632.30
    $144.86 - $632.30
    $144.86 - $632.30
    $144.86

  • MTI Retrofit Brick Tie (100 Pieces/Box)

    $404.61 - $404.61
    $404.61
    $404.61 - $404.61
    $404.61

    RETROFIT BRICK TIE™  INTERIOR-INSTALLED BRICK TIE RBT 7381 FEATURES/BENEFITS Installed from the interior to avoid exterior wall damage. Durable an...

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    $404.61 - $404.61
    $404.61
    $404.61 - $404.61
    $404.61

  • MTI Cavity Weep

    $180.89 - $858.46
    $180.89 - $858.46
    $180.89 - $858.46
    $180.89

    MTI CAVITY WEEP SELF-SPACED BRICK WEEPS CV 5010 Cavity Weep™ is a self-spaced brick weep solution designed for easy installation and optimal draina...

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    $180.89 - $858.46
    $180.89 - $858.46
    $180.89 - $858.46
    $180.89

  • MTI Edge Metal 8' Long (104 Linear Feet/Tube)

    $452.80 - $452.80
    $452.80
    $452.80 - $452.80
    $452.80

    MTI EDGE METAL™ METAL TERMINATION FOR ROOF DRAINAGE MAT MEM 3168 SECURE TERMINATION FOR ROOF DRAINAGE PLANES MTI Edge Metal™ provides a durable and...

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    $452.80 - $452.80
    $452.80
    $452.80 - $452.80
    $452.80

  • MTI Vented Edge Metal 4' Long (52 Linear Feet/Tube)

    $203.20 - $203.20
    $203.20
    $203.20 - $203.20
    $203.20

    VENTED MTI EDGE METAL™ DESIGNED FOR MOISTURE CONTROL VMEM 3168 RAINCAVITY COMPATIBLE VENTED TERMINATION An air gap allows gravity to drain moisture...

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    $203.20 - $203.20
    $203.20
    $203.20 - $203.20
    $203.20

  • MTI L & R Weep Screed 4' Long (80 Linear Feet/Tube)

    $312.62 - $312.62
    $312.62
    $312.62 - $312.62
    $312.62

    L & R WEEP SCREED™ DESIGNED FOR MOISTURE CONTROL LR 3501 MOST WEEP SCREEDS DON’T WEEP Weep screeds are essential for directing trapped moisture...

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    $312.62 - $312.62
    $312.62
    $312.62 - $312.62
    $312.62

  • MTI Weep Screed Deflector 4' Long (80 Linear Feet/Tube)

    $312.62 - $312.62
    $312.62
    $312.62 - $312.62
    $312.62

    WEEP SCREED DEFLECTOR™ DEFLECTS WATER & TERMITES WSD 1309 MOST WEEP SCREEDS DON’T WEEP Weep screeds are designed to drain trapped water from th...

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    $312.62 - $312.62
    $312.62
    $312.62 - $312.62
    $312.62

  • MTI Window Drainage Plane

    $118.83 - $468.92
    $118.83 - $468.92
    $118.83 - $468.92
    $118.83

    WINDOW DRAINAGE PLANE™ SUB SILL DRAINAGE WDP 5000 DRAIN MOISTURE BELOW WINDOWS The sub-sill area of windows is highly susceptible to moisture build...

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    $118.83 - $468.92
    $118.83 - $468.92
    $118.83 - $468.92
    $118.83

  • MTI Moisture Diverter 4' Long (100 Linear Feet/Tube)

    $313.85 - $313.85
    $313.85
    $313.85 - $313.85
    $313.85

    MOISTURE DIVERTER™ PROTECTION ABOVE DOORS & WINDOWS DS 2858 PREVENT MOISTURE INTRUSION Windows and other wall openings are often the weakest po...

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    $313.85 - $313.85
    $313.85
    $313.85 - $313.85
    $313.85

  • MTI Corrugated Lath Starter Strip

    $63.60 - $489.24
    $63.60 - $489.24
    $63.60 - $489.24
    $63.60

    MTI CORRUGATED LATH STARTER STRIP™ (CLSS 2316) RAINSCEEN STARTER STRIP & BUG SCREEN The MTI Corrugated Lath Starter Strip™ combines efficiency ...

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    $63.60 - $489.24
    $63.60 - $489.24
    $63.60 - $489.24
    $63.60

  • MTI Sure Cavity Stucco Lath

    $234.00 - $234.00
    $234.00
    $234.00 - $234.00
    $234.00

    SURE CAVITY STUCCO LATH® A LABOR-SAVING FIRE-RATED RAINSCREEN STUCCO LATH SYSTEM SCSL 3230 THE NEXT-GENERATION STUCCO LATH SYSTEM Sure Cavity Stucc...

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    $234.00 - $234.00
    $234.00
    $234.00 - $234.00
    $234.00

  • MTI Fire-Rated Sure Cavity

    $237.60 - $237.60
    $237.60
    $237.60 - $237.60
    $237.60

    FIRE-RATED SURE CAVITY® FIRE-RATED RAINSCREEN DRAINAGE PLANE FRSC 5016, FRSC 5032 THE ULTIMATE FIRE-RATED MOISTURE MANAGEMENT SOLUTION Fire-Rated S...

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    $237.60 - $237.60
    $237.60
    $237.60 - $237.60
    $237.60

  • MTI Gravity Cavity

    $196.93 - $196.93
    $196.93
    $196.93 - $196.93
    $196.93

    GRAVITY CAVITY™ ECONOMICAL RAINSCREEN DRAINAGE PLANE GC 1816, GC 1832 PROTECT YOUR WALLS WITH AN ECONOMICAL SOLUTION Gravity Cavity™ is the cost-ef...

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    $196.93 - $196.93
    $196.93
    $196.93 - $196.93
    $196.93

  • MTI Sump Basket

    $212.53 - $212.53
    $212.53
    $212.53 - $212.53
    $212.53

    SUMP BASKET HIGH CAPACITY, GAS TIGHT SF 30PR APPLICATIONS Interior Below Grade BUILT TOUGH FOR THE LONG HAUL Make the most out of your sump sys...

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    $212.53 - $212.53
    $212.53
    $212.53 - $212.53
    $212.53

  • MTI Tuck Point Retrofit Weeps

    $188.25 - $393.85
    $188.25 - $393.85
    $188.25 - $393.85
    $188.25

    TUCK POINT RETROFIT WEEPS™ WEEPS FOR RETROFIT AND REMODELS TRW 1425 WEEPS FOR RETROFITS & OVERSIZED STONE Unique applications require special w...

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    $188.25 - $393.85
    $188.25 - $393.85
    $188.25 - $393.85
    $188.25

  • MTI Trash Mortar Diverter

    $146.48 - $642.46
    $146.48 - $642.46
    $146.48 - $642.46
    $146.48

    TRASH MORTAR DIVERTER™  COLLECTS MORTAR IN BRICK CAVITY WALLS TMD 9548 The Trash Mortar Diverter™ (TMD 9548) is designed to collect and divert exce...

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    $146.48 - $642.46
    $146.48 - $642.46
    $146.48 - $642.46
    $146.48