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Sealants & Caulk

Sealants & Caulk for Tile, Showers & Waterproofing

Sealants and caulk are used to create flexible, watertight joints in tile installations, waterproofing systems, showers, and construction assemblies where movement or moisture exposure is expected. This collection includes silicone sealants, polyurethane sealants, adhesive caulk, waterproof sealants, expanding foam, and joint sealants used for changes of plane, perimeter joints, plumbing penetrations, window and door transitions, and wet-area tile installations.

GoBoard Pro Sealant

GoBoard
CONTRACTOR PRICING ELIGIBLE
Original price $10.90 - Original price $20.19
Original price
$10.90 - $20.19
$10.90 - $20.19
Current price $10.90

GoBoard® Pro Sealant is a one-component, moisture-curing hybrid joint sealant designed for waterproofing and bonding GoBoard panels, seams, joints,...

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Original price $10.90 - Original price $20.19
Original price
$10.90 - $20.19
$10.90 - $20.19
Current price $10.90

HYDRO-BLOK Joint Sealant

Hydro-Blok
CONTRACTOR PRICING ELIGIBLE
Original price $0.00 - Original price $0.00
Original price $0.00
$13.75 - $23.96
$13.75 - $23.96
Current price $13.75

HYDRO-BLOK® Joint Sealant is a polyurethane sealant used to seal seams, joints, panel connections, and transitions in wet-area installations. Its n...

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Original price $0.00 - Original price $0.00
Original price $0.00
$13.75 - $23.96
$13.75 - $23.96
Current price $13.75

GURU W-S Sealant

GURU USA
CONTRACTOR PRICING ELIGIBLE
Original price $16.83 - Original price $16.83
Original price
$16.83
$16.83 - $16.83
Current price $16.83

GURU® W-S Sealant is an MS polymer sealant designed for sealing seams, corners, transitions, and penetrations in waterproofing systems. It bonds to...

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Original price $16.83 - Original price $16.83
Original price
$16.83
$16.83 - $16.83
Current price $16.83

wedi Joint Sealant

Wedi
CONTRACTOR PRICING ELIGIBLE
Original price $0.00 - Original price $0.00
Original price $0.00
$19.65 - $29.47
$19.65 - $29.47
Current price $19.65

wedi® Joint Sealant is a waterproof sealant and construction adhesive designed for sealing and bonding joints, seams, transitions, and penetrations...

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Original price $0.00 - Original price $0.00
Original price $0.00
$19.65 - $29.47
$19.65 - $29.47
Current price $19.65

wedi Sealant 620

Wedi
CONTRACTOR PRICING ELIGIBLE
Original price $0.00 - Original price $0.00
Original price $0.00
$30.02 - $41.90
$30.02 - $41.90
Current price $30.02

wedi® Sealant 620 is a vapor-tight joint sealant designed for use with wedi® Vapor 85 and Subliner Dry waterproofing systems. It is used with seali...

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Original price $0.00 - Original price $0.00
Original price $0.00
$30.02 - $41.90
$30.02 - $41.90
Current price $30.02

Loctite Polyseamseal Acrylic Caulk with Silicone

Loctite
CONTRACTOR PRICING ELIGIBLE
Original price $0.00 - Original price $0.00
Original price $0.00
$4.72 - $5.41
$4.72 - $5.41
Current price $4.72

Loctite® POLYSEAMSEAL® Acrylic Caulk with Silicone is a durable, fast-setting sealant designed for contractors, tile installers, and DIY enthusiast...

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Original price $0.00 - Original price $0.00
Original price $0.00
$4.72 - $5.41
$4.72 - $5.41
Current price $4.72
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Loctite POLYSEAMSEAL 100% Silicone Sealant

Loctite
CONTRACTOR PRICING ELIGIBLE
Original price $0.00 - Original price $0.00
Original price $0.00
$10.90
$10.90 - $10.90
Current price $10.90

Loctite® POLYSEAMSEAL® 100% Silicone Sealant is a durable, watertight solution designed for both professional contractors and homeowners. This vers...

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Original price $0.00 - Original price $0.00
Original price $0.00
$10.90
$10.90 - $10.90
Current price $10.90
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Loctite Tite Foam Big Gaps

Loctite
CONTRACTOR PRICING ELIGIBLE
Original price $0.00 - Original price $0.00
Original price $0.00
$11.25
$11.25 - $11.25
Current price $11.25

Loctite Tite Foam Big Gaps is a high-quality foam sealant ideal for filling and sealing gaps up to 3 inches wide. Made from durable polyurethane, t...

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Original price $0.00 - Original price $0.00
Original price $0.00
$11.25
$11.25 - $11.25
Current price $11.25
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GE Advanced Silicone 2 Kitchen & Bath Sealant

GE Sealants
CONTRACTOR PRICING ELIGIBLE
Original price $0.00 - Original price $0.00
Original price $0.00
$7.82 - $10.31
$7.82 - $10.31
Current price $7.82

GE Sealants® Advanced Silicone 2 Kitchen & Bath Sealant is a professional-grade, 100% silicone formula designed for waterproof, flexible sealin...

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Original price $0.00 - Original price $0.00
Original price $0.00
$7.82 - $10.31
$7.82 - $10.31
Current price $7.82

Loctite Polyseamseal Painter’s Caulk

Loctite
CONTRACTOR PRICING ELIGIBLE
Original price $0.00 - Original price $0.00
Original price $0.00
$4.34
$4.34 - $4.34
Current price $4.34

Loctite® POLYSEAMSEAL® Painter’s Caulk is a reliable, 100% acrylic latex caulk designed for interior sealing tasks. It effectively blocks air, mois...

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Original price $0.00 - Original price $0.00
Original price $0.00
$4.34
$4.34 - $4.34
Current price $4.34
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OSI® SC175 Draft & Acoustical Sound Sealant

OSI
CONTRACTOR PRICING ELIGIBLE
Original price $0.00 - Original price $0.00
Original price $0.00
$10.29
$10.29 - $10.29
Current price $10.29

OSI® SC175 Acoustical Sound Sealant is a professional-grade, latex-based caulk designed for reducing sound transmission and air drafts in interior ...

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Original price $0.00 - Original price $0.00
Original price $0.00
$10.29
$10.29 - $10.29
Current price $10.29
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Loctite POLYSEAMSEAL Tub & Tile Adhesive Caulk

Loctite
CONTRACTOR PRICING ELIGIBLE
Original price $0.00 - Original price $0.00
Original price $0.00
$4.57 - $5.84
$4.57 - $5.84
Current price $4.57

Loctite® POLYSEAMSEAL® Tub & Tile Adhesive Caulk is a reliable sealant designed for both professional contractors and DIY users working in kitc...

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Original price $0.00 - Original price $0.00
Original price $0.00
$4.57 - $5.84
$4.57 - $5.84
Current price $4.57
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Loctite PL Marine Fast Cure Adhesive Sealant

Loctite
CONTRACTOR PRICING ELIGIBLE
Original price $0.00 - Original price $0.00
Original price $0.00
$11.88 - $17.19
$11.88 - $17.19
Current price $11.88

Loctite® PL® Marine Fast Cure Adhesive Sealant is a fast-setting, moisture-curing polyether sealant designed for strong, flexible, and watertight b...

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Original price $0.00 - Original price $0.00
Original price $0.00
$11.88 - $17.19
$11.88 - $17.19
Current price $11.88

Loctite PL Concrete Self-Leveling Polyurethane Sealant

Loctite
CONTRACTOR PRICING ELIGIBLE
Original price $0.00 - Original price $0.00
Original price $0.00
$12.57 - $27.55
$12.57 - $27.55
Current price $12.57

Loctite® PL® Concrete Self-Leveling Polyurethane Sealant is a professional-grade solution designed for contractors, tile installers, and anyone nee...

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Original price $0.00 - Original price $0.00
Original price $0.00
$12.57 - $27.55
$12.57 - $27.55
Current price $12.57
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GE Concrete Silicone 2 Sealant

GE Sealants
CONTRACTOR PRICING ELIGIBLE
Original price $0.00 - Original price $0.00
Original price $0.00
$10.31
$10.31 - $10.31
Current price $10.31

GE Sealants® Concrete Silicone 2 Sealant is a durable 100% silicone formula designed for concrete, mortar, brick, and stone projects. Built for lon...

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Original price $0.00 - Original price $0.00
Original price $0.00
$10.31
$10.31 - $10.31
Current price $10.31
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OSI® QUAD® Window & Door Installation Foam

OSI
CONTRACTOR PRICING ELIGIBLE
Original price $0.00 - Original price $0.00
Original price $0.00
$16.21 - $20.36
$16.21 - $20.36
Current price $16.21

OSI® QUAD® Foam is a low expansion, single-component polyurethane foam sealant designed for professional window and door installation. Engineered f...

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Original price $0.00 - Original price $0.00
Original price $0.00
$16.21 - $20.36
$16.21 - $20.36
Current price $16.21
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Loctite Tite Foam Window and Door

Loctite
CONTRACTOR PRICING ELIGIBLE
Original price $0.00 - Original price $0.00
Original price $0.00
$12.75
$12.75 - $12.75
Current price $12.75

Loctite Tite Foam Window and Door is a high-quality polyurethane foam sealant designed to seal, fill, and insulate around windows and doors. Its lo...

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Original price $0.00 - Original price $0.00
Original price $0.00
$12.75
$12.75 - $12.75
Current price $12.75
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Loctite Tite Foam Gaps & Cracks

Loctite
CONTRACTOR PRICING ELIGIBLE
Original price $0.00 - Original price $0.00
Original price $0.00
$12.06
$12.06 - $12.06
Current price $12.06

Loctite Tite Foam Gaps & Cracks is a high-performance polyurethane foam sealant designed to fill and insulate gaps and cracks up to 1 inch wide...

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Original price $0.00 - Original price $0.00
Original price $0.00
$12.06
$12.06 - $12.06
Current price $12.06
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OSI® QUAD® Window, Door & Siding Sealant

OSI
CONTRACTOR PRICING ELIGIBLE
Original price $0.00 - Original price $0.00
Original price $0.00
$9.37
$9.37 - $9.37
Current price $9.37

OSI® QUAD® White Exterior Sealant is a professional-grade formula designed to provide a weatherproof, paintable seal around windows, doors, and sid...

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Original price $0.00 - Original price $0.00
Original price $0.00
$9.37
$9.37 - $9.37
Current price $9.37
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OSI HM270 Construction Silicone Sealant

OSI
CONTRACTOR PRICING ELIGIBLE
Original price $0.00 - Original price $0.00
Original price $0.00
$10.09
$10.09 - $10.09
Current price $10.09

OSI® HM270 Construction Silicone Sealant is a one-part, medium modulus RTV silicone sealant formulated for glazing and sealing applications. It cur...

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Original price $0.00 - Original price $0.00
Original price $0.00
$10.09
$10.09 - $10.09
Current price $10.09

Loctite PL Roof & Flashing Polyurethane Sealant

Loctite
CONTRACTOR PRICING ELIGIBLE
Original price $0.00 - Original price $0.00
Original price $0.00
$12.49
$12.49 - $12.49
Current price $12.49

Loctite® PL® Roof & Flashing Polyurethane Sealant is a premium commercial-grade sealant designed for contractors, tile installers, and anyone n...

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Original price $0.00 - Original price $0.00
Original price $0.00
$12.49
$12.49 - $12.49
Current price $12.49
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Loctite PL Window & Door Polyurethane Sealant

Loctite
CONTRACTOR PRICING ELIGIBLE
Original price $0.00 - Original price $0.00
Original price $0.00
$12.62
$12.62 - $12.62
Current price $12.62

Loctite® PL® Window, Door & Siding Polyurethane Sealant is a high-quality commercial-grade sealant designed for contractors, tile installers, a...

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Original price $0.00 - Original price $0.00
Original price $0.00
$12.62
$12.62 - $12.62
Current price $12.62
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Loctite POLYSEAMSEAL All-Purpose Adhesive Caulk Sealant

Loctite
CONTRACTOR PRICING ELIGIBLE
Original price $0.00 - Original price $0.00
Original price $0.00
$4.68 - $5.71
$4.68 - $5.71
Current price $4.68

Loctite® POLYSEAMSEAL® All-Purpose Adhesive Caulk combines strong bonding power with effective sealing, making it ideal for both contractors and DI...

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Original price $0.00 - Original price $0.00
Original price $0.00
$4.68 - $5.71
$4.68 - $5.71
Current price $4.68
Sold out

GE Supreme Silicone Window and Door sealant

GE Sealants
CONTRACTOR PRICING ELIGIBLE
Original price $0.00 - Original price $0.00
Original price $0.00
$11.94
$11.94 - $11.94
Current price $11.94

GE Sealants® Supreme Silicone Window & Door Sealant is a 100% silicone formula designed for long-lasting exterior weatherproofing. It delivers ...

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Original price $0.00 - Original price $0.00
Original price $0.00
$11.94
$11.94 - $11.94
Current price $11.94
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Sealants & Caulk for Tile Installation & Waterproofing

Sealants and caulk are flexible joint materials used to seal movement joints, waterproof transitions, plumbing penetrations, and perimeter gaps in tile installations and construction assemblies. This collection includes silicone sealants, polyurethane sealants, adhesive caulk, expanding foam, acoustical sealants, and waterproof joint sealants used across tile installation, waterproofing, window and door sealing, and general construction applications.

Flexible sealants are commonly used at changes of plane, shower corners, tub surrounds, floor-to-wall transitions, backsplashes, countertop joints, pipe penetrations, and exterior gaps where movement, vibration, or moisture exposure may occur.

Types of Sealants & Caulk

  • Silicone Sealants: Waterproof flexible sealants designed for showers, kitchens, plumbing penetrations, and wet-area tile installations.
  • Polyurethane Sealants: High-adhesion sealants designed for movement joints, exterior applications, and construction transitions.
  • Adhesive Caulk: Flexible sealing products designed for light bonding and gap sealing applications.
  • Expanding Foam Sealants: Foam products designed to fill larger gaps, penetrations, and framing voids before finishing.
  • Acoustical & Specialty Sealants: Sealants designed for sound control, flashing systems, waterproof assemblies, and specialty construction applications.

Sealants for Tile & Waterproofing Systems

Tile installations commonly use flexible sealants instead of grout at movement joints, perimeter joints, and changes of plane where expansion, contraction, and substrate movement may occur.

Selecting the Right Sealant or Caulk

Selecting the correct sealant depends on moisture exposure, joint movement, substrate material, application location, curing requirements, and compatibility with waterproofing systems or surrounding materials.

Frequently Asked Questions

Where should sealant be used instead of grout?
Flexible sealants are commonly used at changes of plane, perimeter joints, corners, and transitions where movement or expansion may occur in tile installations.
What is the difference between silicone and polyurethane sealant?
Silicone sealants provide excellent flexibility and water resistance for wet areas, while polyurethane sealants offer strong adhesion and durability for construction and exterior joints.
What sealants are used in showers and wet areas?
Showers and wet-area tile installations commonly use waterproof silicone sealants designed for plumbing penetrations, corners, changes of plane, and movement joints.
What is expanding foam used for in construction?
Expanding foam is commonly used to fill larger gaps, penetrations, framing voids, and window or door transitions before sealing or finishing work.
Can sealants be used with waterproofing membranes?
Many waterproofing systems use compatible sealants for seams, penetrations, transitions, and waterproof reinforcement around tile installations.