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TEC PermaFlex 300 LHT Mortar – Large Format Tile & Stone Thin-Set, 50 lb.

Adhesives & Waterproofing

Everything that bonds and protects a tile installation: thinset mortars, mastic adhesives, waterproofing membranes, sealers, cleaners, and specialty glues — matched to your tile, substrate, and conditions from large-format porcelain to natural stone.
  • 407101 01848

    Solvent-Based Stone Enhancer, Pint

    T407101

    $5295
    Added to Cart
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  • 407059 44126

    Sealer's Choice Gold Penetrating Sealer - 1 Quart

    T407059

    $8295
    Added to Cart
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  • 407057 66833

    Sealer's Choice Gold Penetrating Sealer - 1 Pint

    T407057

    $4945
    Added to Cart
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  • 407061 50316

    Sealer's Choice Gold Penetrating Sealer - 1 Gallon

    T407061

    $19995
    Added to Cart
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  • 407153 45010

    Sealer and Adhesive Remover - 1 Gallon

    T407153

    $9095
    Added to Cart
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  • 407151 30577

    Sealer and Adhesive Remover - 1 Quart

    T407151

    $3245
    Added to Cart
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  • 407167 54711

    Seal & Finish Low Sheen Sealer - 1 Quart

    T407167

    $2895
    Added to Cart
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  • 407169 16716

    Seal & Finish Low Sheen Sealer - 1 Gallon

    T407169

    $7695
    Added to Cart
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  • 407139 24190

    Poultice Stain Remover, 3/4 lb Jar

    T407139

    $1445
    Added to Cart
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  • 407053 90169

    Penetrating Sealer, 1 Quart

    T407053

    $1945
    Added to Cart
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  • 407055 89985

    Penetrating Sealer, 1 Gallon

    T407055

    $5495
    Added to Cart
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  • 407185 45485

    NanoScrub Cleaner, 1 Quart

    T407185

    $2645
    Added to Cart
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  • 407173 46042

    High-Gloss Sealer - 1 Quart

    T407173

    $2895
    Added to Cart
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  • 407175 79041

    High-Gloss Sealer - 1 Gallon

    T407175

    $8595
    Added to Cart
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  • 407085 46768

    Heavy Duty Tile & Grout Cleaner 1 Gallon

    T407085

    $4345
    Added to Cart
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  • 407083 37284

    Heavy Duty Tile & Grout Cleaner 1 Quart

    T407083

    $1695
    Added to Cart
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  • 407063 47539

    Grout Sealer 1 Pint

    T407063

    $1695
    Added to Cart
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  • 407067 09854

    Grout Sealer 1 Gallon

    T407067

    $9195
    Added to Cart
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  • 407065 63682

    Grout Sealer 24 oz Spray

    T407065

    $2595
    Added to Cart
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  • 407141 19061

    Grout Release 1 Quart

    T407141

    $1395
    Added to Cart
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  • Aquamixgroutrelease

    Grout Release 1 Gallon

    T407143

    $3245
    Added to Cart
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  • 407123 39886

    Grout Haze Clean-Up Pint

    T407123

    $1395
    Added to Cart
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  • 407077 91203

    Grout Deep Clean 24 oz Spray Cleaner

    T407077

    $1845
    Added to Cart
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  • 407125 82294

    Grout Colorant Pre-Treat Cleaner

    T407125

    $1345
    Added to Cart
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  • 407135 26111

    Enrich N Seal Color-Enhancing Sealer 1 Quart

    T407135

    $12745
    Added to Cart
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  • 407133 22219

    Enrich N Seal Color-Enhancing Sealer 1 Pint

    T407133

    $7895
    Added to Cart
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  • 407137 27170

    Enrich N Seal Enhancing Sealer 1 Gallon

    T407137

    $36995
    Added to Cart
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  • 407165 95156

    Eff-Ex Efflorescence Remover 1 Gallon

    T407165

    $4295
    Added to Cart
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  • 407081 74783

    Concentrated Stone & Tile Cleaner, Gallon

    T407081

    $3245
    Added to Cart
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  • 407079 35109

    Concentrated Stone & Tile Cleaner, Quart

    T407079

    $1395
    Added to Cart
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  • 407117 02420

    Cement Grout Haze Remover Quart

    T407117

    $1695
    Added to Cart
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  • 402001 10753

    GoBoard Pro Sealant 10.3 oz

    T402001

    $2249
    Added to Cart
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  • 408039 79461

    Richpan 1040 PVC Shower Pan Liner Membrane, 6 ft Wide (Per Linear Foot)

    T408039

    $1209
    Added to Cart
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  • 423035 20020

    TEC PermaFlex 300 Premium Flexible Tile Mortar, White, 50 lb

    T423035

    $1649
    Added to Cart
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  • 423130 89313

    TEC Ultimate Premixed Mortar White 3.5 Gallon

    T423130

    $6999
    Added to Cart
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  • 413061 31317

    Quikrete Floor Mud Deck Mud Bed Mix, 60 lb

    T413061

    $1099
    Added to Cart
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  • 413325 55777

    SikaLevel-325 Self-Leveling Underlayment - 55 lb

    T413325

    $3499
    Added to Cart
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  • 413051 05600

    Merkrete 703 Pro Set Polymer-Modified Tile Mortar, White, 50 lb

    T413051

    $1069
    Added to Cart
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  • 413057 06976

    Merkrete 720 Marble Pro Non-Staining White Mortar, 50 lb

    T413057

    $1699
    Added to Cart
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  • 423495 97375

    TEC TotalFlex 110 Mortar White 32 lb

    T423495

    $3139
    Added to Cart
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  • 413400 33759

    SikaTile 400 LHT Pro Set Large & Heavy Tile Mortar, White, 50 lb

    T413400

    $1699
    Added to Cart
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  • 423396 13176

    TEC 396 Quik Flex White Tile Mortar 25 lb

    T423396

    $2699
    Added to Cart
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  • 413041 19549

    Merkrete 710 Premium Set Plus Tile Mortar, White, 50 lb

    T413041

    $1649
    Added to Cart
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  • 413037 65673

    Merkrete 700 PremSet White Thin-Set Mortar 50 lb

    T413037

    $1179
    Added to Cart
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  • 423493 51195

    TEC SuperFlex Ultra Premium Mortar White 50 lb

    T423493

    $7299
    Added to Cart
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  • T413305

    SikaTile-305 Pro Set Thin-Set Mortar, White, 50 lb

    T413305

    $1099
    Added to Cart
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  • T413300
    Sold out

    SikaTile-300 Set Thin-Set Mortar, White, 50 lb

    T413300

    $1099
    Added to Cart
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  • T413500
    Sold out

    SikaTile-500 LHT Set Thin-Set Mortar, White, 30 lb

    T413500

    $2299
    Added to Cart
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Shop Tile Adhesives, Mortars & Waterproofing

A tile job succeeds or fails on what's behind the tile. This collection covers that whole layer: modified and unmodified thinset mortars from TEC, Merkrete, SikaTile, and Schluter; ready-to-spread mastics; sheet and liquid waterproofing membranes; the sealers and cleaners that protect the finished surface; and the specialty adhesives that handle everything in between.

Build the Right Assembly

  • Thinset mortar — the professional bond for floors, walls, and wet areas, including LHT formulas for large-format tile.
  • Mastic — ready-to-use adhesive for backsplashes and dry walls.
  • Waterproofing — KERDI sheet systems and liquid membranes with banding, corners, and seals.
  • Sealers and cleaners — protect and maintain grout, stone, and tile.
  • Specialty glues — KERDI-FIX, board sealants, and urethane bonding.

Why Buy Setting Materials from Tile Outlets of America

Buy the mortar, membrane, and finish products as one matched system with the tile they support — at outlet prices from our Florida warehouses. With three Florida Flooring Supercenters in Fort Myers, Sarasota, and Tampa, you can see products in person and get advice from people who install tile every day.

Related Flooring Categories

Porcelain Tile — The Toughest Tile You Can Buy Flooring

Frequently Asked Questions

What do I actually need to install tile in a shower?
From the wall out: backer board or membrane-ready substrate, waterproofing (sheet or liquid) with banded seams, thinset mortar rated for wet areas, tile, grout, and color-matched caulk at the changes of plane. A sealer protects the finished grout and any stone.
Which thinset should I buy if I'm not sure?
A quality polymer-modified thinset covers most tile-over-most-substrate situations. Move to an LHT version for tile 15 inches and up, and to unmodified only where a membrane manufacturer requires it.
Do sealers and cleaners really matter?
Yes — sealing cement grout and natural stone is what keeps them from staining, and using pH-appropriate cleaners is what keeps sealers working. The maintenance products protect the labor you just paid for.

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