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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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  • A roll of black Sure Cavity rainscreen drainage plane with corrugations, positioned against a white background.

    MTI Sure Cavity® Rainscreen Drainage Mat

    $107.40 - $369.60
    $107.40 - $369.60
    $107.40 - $369.60
    $107.40
    66.0ft2 | $1.63 / ft2

    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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    $107.40 - $369.60
    $107.40 - $369.60
    $107.40 - $369.60
    $107.40
    66.0ft2 | $1.63 / ft2
  • A single white, L-shaped wall opening weep designed for predictable moisture management in construction.

    MTI Wall Opening Weeps – (100/Box)

    $135.00 - $135.00
    $135.00
    $135.00 - $135.00
    $135.00
    100.0item | $1.35 / item

    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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    $135.00 - $135.00
    $135.00
    $135.00 - $135.00
    $135.00
    100.0item | $1.35 / item
  • A roll of MTI Stone Cavity Weep, a white self-spaced weep for natural stone, with additional accessories lying beside it.

    MTI Stone Cavity Weep for Natural Stone

    $110.85 - $515.00
    $110.85 - $515.00
    $110.85 - $515.00
    $110.85
    50.0ft | $2.22 / ft

    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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    $110.85 - $515.00
    $110.85 - $515.00
    $110.85 - $515.00
    $110.85
    50.0ft | $2.22 / ft
  • A roll of white self-spaced brick weep solution, Cavity Weep, designed for use in masonry walls for drainage.

    MTI Cavity Weep Self-Spaced Brick Weep

    $138.35 - $680.00
    $138.35 - $680.00
    $138.35 - $680.00
    $138.35
    100.0ft | $1.38 / ft

    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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    $138.35 - $680.00
    $138.35 - $680.00
    $138.35 - $680.00
    $138.35
    100.0ft | $1.38 / ft
  • A roll of black 10mm Sure Cavity rainscreen drainage plane with corrugations and a partially unrolled edge.

    MTI 10mm Sure Cavity® Rainscreen Drainage Mat

    $68.35 - $213.40
    $68.35 - $213.40
    $68.35 - $213.40
    $68.35
    33.0ft2 | $2.07 / ft2

    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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    $68.35 - $213.40
    $68.35 - $213.40
    $68.35 - $213.40
    $68.35
    33.0ft2 | $2.07 / ft2
  • MTI L & R weep screed 4 ft long designed to provide drainage and proper moisture management in masonry wall systems

    MTI L & R Weep Screed – 4' Galvanized Steel (80 LF/Tube)

    $338.67 - $338.67
    $338.67
    $338.67 - $338.67
    $338.67
    80.0ft | $4.23 / ft

    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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    $338.67 - $338.67
    $338.67
    $338.67 - $338.67
    $338.67
    80.0ft | $4.23 / ft
  • A series of black corrugated lath strips arranged in parallel, designed for use in building envelopes for air gap creation and moisture protection.

    MTI Corrugated Lath Strip Rainscreen Furring Strips

    $47.50 - $1,125.00
    $47.50 - $1,125.00
    $47.50 - $1,125.00
    $47.50
    50.0ft | $0.95 / ft

    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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    $47.50 - $1,125.00
    $47.50 - $1,125.00
    $47.50 - $1,125.00
    $47.50
    50.0ft | $0.95 / ft
  • MTI Floor Edging used in masonry construction to create clean, durable edges along floors and slab openings

    MTI Floor Edging

    $89.00 - $468.93
    $89.00 - $468.93
    $89.00 - $468.93
    $89.00
    40.0ft | $2.23 / ft

    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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    $89.00 - $468.93
    $89.00 - $468.93
    $89.00 - $468.93
    $89.00
    40.0ft | $2.23 / ft
  • A set of white, cylindrical retrofit weep vents for brick walls.

    MTI Retrofit Weep (64 Pieces/Box)

    $96.00 - $96.00
    $96.00
    $96.00 - $96.00
    $96.00
    64.0item | $1.50 / item

    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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    $96.00 - $96.00
    $96.00
    $96.00 - $96.00
    $96.00
    64.0item | $1.50 / item
  • A roll of MTI Corrugated Lath Starter Strip, featuring a grey corrugated design with attached fabric for weather protection.

    MTI Corrugated Lath Starter Strip

    $41.67 - $400.00
    $41.67 - $400.00
    $41.67 - $400.00
    $41.67
    25.0ft | $1.67 / ft

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

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    $41.67 - $400.00
    $41.67 - $400.00
    $41.67 - $400.00
    $41.67
    25.0ft | $1.67 / ft
  • A roll of MTI Gravity Cavity drainage plane, which is a corrugated, high-impact polystyrene sheet with a spunbond polypropylene fabric for drainage and ventilation, partially unrolled to show the channel design.

    MTI Gravity Cavity Rainscreen Drainage Mat

    $110.00 - $190.00
    $110.00 - $190.00
    $110.00 - $190.00
    $110.00
    100.0ft2 | $1.10 / ft2

    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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    $110.00 - $190.00
    $110.00 - $190.00
    $110.00 - $190.00
    $110.00
    100.0ft2 | $1.10 / ft2
  • MTI weep screed deflector 4 ft long designed to direct water out of masonry wall cavity systems

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

    $338.67 - $338.67
    $338.67
    $338.67 - $338.67
    $338.67
    80.0ft | $4.23 / ft

    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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    $338.67 - $338.67
    $338.67
    $338.67 - $338.67
    $338.67
    80.0ft | $4.23 / ft
  • A roll of black vent mat with weep holes for block basement walls, accompanied by several spread-out pieces of the mat.

    MTI Vent Mat Block Basement Wall Weep

    $108.35 - $500.00
    $108.35 - $500.00
    $108.35 - $500.00
    $108.35
    50.0ft | $2.17 / ft

    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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    $108.35 - $500.00
    $108.35 - $500.00
    $108.35 - $500.00
    $108.35
    50.0ft | $2.17 / ft
  • A single silver-colored stainless steel Retrofit Brick Tie with multiple holes for installation purposes.

    MTI Retrofit Brick Tie (100 Pieces/Box)

    $358.35 - $358.35
    $358.35
    $358.35 - $358.35
    $358.35
    100.0item | $3.58 / item

    The Retrofit Brick Tie was developed for flooded homes. The Retrofit Brick Tie allows the brick veneer to be anchored to the stud framing from the ...

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    $358.35 - $358.35
    $358.35
    $358.35 - $358.35
    $358.35
    100.0item | $3.58 / item
  • A roll of black Control Cavity basement drainage mat, with visible blue and white branding stripes, unrolled to reveal the channel pattern.

    MTI Control Cavity

    $127.30 - $204.60
    $127.30 - $204.60
    $127.30 - $204.60
    $127.30
    132.0ft2 | $1.33 / ft2

    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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    $127.30 - $204.60
    $127.30 - $204.60
    $127.30 - $204.60
    $127.30
    132.0ft2 | $1.33 / ft2
  • A roll of MTI Mortar Belt, which is designed to prevent mortar build-up in CMU walls, displayed on a plain background.

    MTI Mortar Belt

    $141.67 - $466.70
    $141.67 - $466.70
    $141.67 - $466.70
    $141.67
    200.0ft | $0.71 / ft

    MTI MORTAR BELT™  PREVENTS MORTAR BUILD-UP IN CMU WALLS MB 3550 The MTI Mortar Belt™ (MB 3550) is the ultimate solution for ensuring a clear draina...

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    $141.67 - $466.70
    $141.67 - $466.70
    $141.67 - $466.70
    $141.67
    200.0ft | $0.71 / ft
  • MTIdry Strip used for masonry waterproofing and cavity wall moisture management

    MTIdry Strip™

    $40.00 - $540.00
    $40.00 - $540.00
    $40.00 - $540.00
    $40.00
    50.0ft | $0.80 / ft

    HORIZONTALLY APPLIED FOR OPTIMUM PERFORMANCE LS1550 The MTIdry Strip™ (LS1550) is designed to create a continuous rainscreen air gap for superior m...

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    $40.00 - $540.00
    $40.00 - $540.00
    $40.00 - $540.00
    $40.00
    50.0ft | $0.80 / ft
  • A silver-colored metal moisture diverter with a V-shaped design, used for redirecting moisture away from wall openings.

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

    $315.00 - $315.00
    $315.00
    $315.00 - $315.00
    $315.00
    100.0ft | $3.15 / ft

    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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    $315.00 - $315.00
    $315.00
    $315.00 - $315.00
    $315.00
    100.0ft | $3.15 / ft
  • A pre-cut strip of white Tuck Point Retrofit Weeps for masonry applications.

    MTI Tuck Point Retrofit Weeps

    $163.35 - $326.70
    $163.35 - $326.70
    $163.35 - $326.70
    $163.35
    100.0item | $1.63 / item

    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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    $163.35 - $326.70
    $163.35 - $326.70
    $163.35 - $326.70
    $163.35
    100.0item | $1.63 / item
  • A roll of Sure Cavity Stucco Lath with a representation of fire resistance, indicated by a flame with a check mark.

    MTI Sure Cavity Stucco Lath (78 Sq Ft/Roll)

    $182.00 - $182.00
    $182.00
    $182.00 - $182.00
    $182.00
    78.0ft2 | $2.33 / ft2

    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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    $182.00 - $182.00
    $182.00
    $182.00 - $182.00
    $182.00
    78.0ft2 | $2.33 / ft2
  • A white plastic Core Cavity Weep for CMU veneers, displayed on a dark background, with a cross-sectional view showing the drainage design.

    MTI Core Cavity Weep for CMU Veneers

    $72.50 - $380.00
    $72.50 - $380.00
    $72.50 - $380.00
    $72.50
    25.0ft | $2.90 / ft

    CORE CAVITY WEEP™ WEEPS FOR CMU VENEERS CCV 5020 DRAIN BLOCK CORES & VENEER CAVITY CMU and Jumbo Brick Veneers create two cavities where water ...

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    $72.50 - $380.00
    $72.50 - $380.00
    $72.50 - $380.00
    $72.50
    25.0ft | $2.90 / ft
  • MTI Edge Metal 4 ft long used for clean termination and edge support in masonry wall cavity systems

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

    $220.15 - $220.15
    $220.15
    $220.15 - $220.15
    $220.15
    52.0ft | $4.23 / ft

    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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    $220.15 - $220.15
    $220.15
    $220.15 - $220.15
    $220.15
    52.0ft | $4.23 / ft
  • A brown corrugated Window Drainage Plane installed on a white surface, designed for sub-sill drainage applications.

    MTI Window Drainage Plane

    $89.00 - $384.00
    $89.00 - $384.00
    $89.00 - $384.00
    $89.00
    40.0ft | $2.23 / ft

    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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    $89.00 - $384.00
    $89.00 - $384.00
    $89.00 - $384.00
    $89.00
    40.0ft | $2.23 / ft
  • A roll of white fire-rated rainscreen drainage plane with a visible flame graphic indicating the fire-resistant property.

    MTI Fire-Rated Sure Cavity

    $118.40 - $206.80
    $118.40 - $206.80
    $118.40 - $206.80
    $118.40
    66.0ft2 | $1.79 / ft2

    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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    $118.40 - $206.80
    $118.40 - $206.80
    $118.40 - $206.80
    $118.40
    66.0ft2 | $1.79 / ft2

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