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Steam Shower Waterproofing Systems

Steam shower waterproofing is essential for building a safe, durable, and comfortable steam environment. Unlike standard showers, steam showers generate continuous vapor that penetrates deep into walls, floors, and ceilings. With ProLux steam shower waterproofing membranes, you can seal every surface and corner to keep condensation under control. These products are approved for residential and intermittent use only, making them the right choice for homeowners who want long-lasting performance without the risks of hidden moisture damage.

Original price $361.25 - Original price $2,520.00
Original price $361.25 - Original price $2,520.00
Original price $361.25
$289.00 - $2,016.00
$289.00 - $2,016.00
Current price $289.00

PROVA Board Plus+ Waterproof Tile Backer Board

In stock

PROVA Board Plus+ is a lightweight, waterproof high-density XPS foam tile backer board that replaces heavy, moisture-prone cement boards with a cle...

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Original price $361.25 - Original price $2,520.00
Original price $361.25 - Original price $2,520.00
Original price $361.25
$289.00 - $2,016.00
$289.00 - $2,016.00
Current price $289.00
Sale Sale
Original price $27.44 - Original price $299.94
Original price $27.44 - Original price $299.94
Original price $27.44
$21.95 - $239.95
$21.95 - $239.95
Current price $21.95

PROVA Seal Hybrid Silicone Waterproof Sealant & Adhesive

In stock

PROVA Seal — the next-generation hybrid silicone shower waterproof sealant that combines the flexibility of silicone with the strength of an adhesi...

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Original price $27.44 - Original price $299.94
Original price $27.44 - Original price $299.94
Original price $27.44
$21.95 - $239.95
$21.95 - $239.95
Current price $21.95
Sale Sale
Original price $136.25 - Original price $530.00
Original price $136.25 - Original price $530.00
Original price $136.25
$109.00 - $424.00
$109.00 - $424.00
Current price $109.00

PROVA Mat Waterproofing Membrane

In stock

PROVA Mat Waterproofing Membrane is a thin, flexible, low-perm sheet membrane that creates a watertight barrier for tile showers, bathrooms, and we...

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Original price $136.25 - Original price $530.00
Original price $136.25 - Original price $530.00
Original price $136.25
$109.00 - $424.00
$109.00 - $424.00
Current price $109.00
Sale Sale
Original price $31.19 - Original price $866.88
Original price $31.19 - Original price $866.88
Original price $31.19
$24.95 - $693.50
$24.95 - $693.50
Current price $24.95

PROVA Joint Waterproofing Membrane Band

In stock

PROVA Joint is a thin waterproof membrane tape designed to seal critical seams, corners, and transitions in PROVA waterproofing and underlayment ap...

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Original price $31.19 - Original price $866.88
Original price $31.19 - Original price $866.88
Original price $31.19
$24.95 - $693.50
$24.95 - $693.50
Current price $24.95
Sale Sale
Original price $34.94 - Original price $336.25
Original price $34.94 - Original price $336.25
Original price $34.94
$27.95 - $269.00
$27.95 - $269.00
Current price $27.95

PROVA Corner Outside Waterproof Corner

In stock

Waterproof every corner with precision. The PROVA Preformed Outside Corner provides quick, dependable waterproofing for outside-angle corners on sh...

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Original price $34.94 - Original price $336.25
Original price $34.94 - Original price $336.25
Original price $34.94
$27.95 - $269.00
$27.95 - $269.00
Current price $27.95
Sale Sale
Original price $34.94 - Original price $336.25
Original price $34.94 - Original price $336.25
Original price $34.94
$27.95 - $269.00
$27.95 - $269.00
Current price $27.95

PROVA Corner Inside Waterproof Corner

In stock

Seal every corner with confidence. The PROVA Inside Preformed Waterproofing Corner delivers fast, reliable waterproofing protection where leaks and...

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Original price $34.94 - Original price $336.25
Original price $34.94 - Original price $336.25
Original price $34.94
$27.95 - $269.00
$27.95 - $269.00
Current price $27.95
Sale Sale
Original price $9.94 - Original price $87.44
Original price $9.94 - Original price $87.44
Original price $9.94
$7.95 - $69.95
$7.95 - $69.95
Current price $7.95

PROVA Pipe Seal Waterproof Pipe Collar

In stock

The PROVA Pipe Seal is a prefabricated, waterproof pipe collar engineered to create a watertight, long-lasting seal around pipe penetrations in sho...

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Original price $9.94 - Original price $87.44
Original price $9.94 - Original price $87.44
Original price $9.94
$7.95 - $69.95
$7.95 - $69.95
Current price $7.95
Sale Sale
Original price $21.19 - Original price $112.44
Original price $21.19 - Original price $112.44
Original price $21.19
$16.95 - $89.95
$16.95 - $89.95
Current price $16.95

PROVA Wide-Head Tile Backer Board Washers

In stock

PROVA Wide-Head Washers are purpose-engineered to lock XPS foam backer boards securely in place without crushing the surface — delivering the stabl...

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Original price $21.19 - Original price $112.44
Original price $21.19 - Original price $112.44
Original price $21.19
$16.95 - $89.95
$16.95 - $89.95
Current price $16.95
Sale Sale
Original price $24.94 - Original price $104.38
Original price $24.94 - Original price $104.38
Original price $24.94
$19.95 - $83.50
$19.95 - $83.50
Current price $19.95

PROVA Fasteners Backer Board Screws 1-5/8"

In stock

PROVA Fasteners are purpose-built screws engineered for attaching PROVA XPS backer boards and accessories to wood or metal substrates. Designed for...

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Original price $24.94 - Original price $104.38
Original price $24.94 - Original price $104.38
Original price $24.94
$19.95 - $83.50
$19.95 - $83.50
Current price $19.95
Sale Sale
Advanced Steam Shower Waterproofing Solutions

Advanced Steam Shower Waterproofing Solutions

Steam showers expose surfaces to constant heat and vapor that can quickly damage structures if left unprotected. For homeowners designing or upgrading their spa-inspired bathrooms, ProLux provides waterproofing for steam showers specifically engineered for residential and intermittent use. These systems protect against vapor drive, ensuring every wall, floor, and ceiling remains intact over time.

Installing a steam shower waterproofing membrane creates a continuous barrier that resists both steam and condensation. By covering all surfaces, including ceilings and niches, you prevent vapor from escaping into adjacent areas. ProLux solutions not only protect the structure but also create a stable surface for tile installation, reducing the risk of cracks or loose grout.

Unlike general bathroom waterproofing, steam shower waterproofing demands higher performance due to the intense vapor conditions. ProLux products meet these demands while remaining tailored for residential projects, giving homeowners confidence that their steam shower will perform reliably with intermittent use.

Why Steam Shower Waterproofing Protects Your Home Investment

Why Steam Shower Waterproofing Protects Your Home Investment

  • Creates a vapor-tight seal, which keeps steam contained inside the enclosure and ensures ProLux systems prevent hidden leaks.
  • Protects residential floors and subfloors, which blocks moisture from weakening structural materials under tile.
  • Covers ceilings and walls, which defend against condensation where steam collects most heavily.
  • Reduces mold growth, which improves hygiene and keeps your steam shower fresh with every use.
  • Extends the lifespan of residential steam showers, which safeguards your investment and minimizes costly future repairs.

Steam shower waterproofing is more than a precaution, it is the key to building a spa-like space that lasts. With ProLux residential-grade waterproofing, you can enjoy the comfort of steam while knowing your shower is protected against the toughest moisture challenges.

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FREQUENTLY ASKED QUESTIONS

Are ProLux steam shower waterproofing systems for commercial use?

No, all ProLux steam shower waterproofing products are approved only for residential and intermittent use, not for commercial or continuous operation.

Do I need to waterproof the ceiling of a steam shower?

Yes, waterproofing the ceiling is essential because steam rises and collects overhead, making it a critical point for vapor protection.

Can I tile directly over a steam shower waterproofing membrane?

Yes, ProLux membranes act as both a vapor barrier and a tile-ready surface, ensuring proper adhesion and long-term durability.

How long will residential steam shower waterproofing last?

When installed correctly and used intermittently as intended, ProLux steam shower waterproofing systems deliver reliable protection that lasts as long as your tiled finishes.

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