Skip to content

Steam Room Waterproofing Systems

Steam room waterproofing is essential for ensuring your home spa remains safe, durable, and comfortable. Unlike standard bathrooms, steam rooms generate continuous vapor that penetrates deep into floors, ceilings, and walls. With ProLux steam room waterproofing membranes, you can create a fully sealed enclosure designed for residential and intermittent use only. These systems prevent vapor from escaping, protecting your home from hidden structural 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...

View full details
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...

View full details
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...

View full details
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...

View full details
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...

View full details
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...

View full details
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...

View full details
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...

View full details
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...

View full details
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
Durable Steam Room Waterproofing Solutions

Durable Steam Room Waterproofing Solutions

Steam rooms place extreme demands on construction materials because of the constant heat and steam pressure. Without proper steam room waterproofing, vapor will seep through grout, tile, and joints, damaging subfloors and wall assemblies. ProLux systems are engineered to prevent these problems, creating a vapor-proof barrier that locks steam inside the room.

A ProLux steam room waterproofing membrane provides complete coverage for walls, ceilings, benches, and floors. By sealing every surface, it stops condensation from escaping into surrounding areas of your home. These systems are designed to work with tile finishes, ensuring that the steam room not only performs reliably but also looks polished and elegant.

For homeowners seeking to add a spa-like retreat at home, ProLux waterproofing delivers confidence. Approved exclusively for residential and intermittent use, these systems make it easy to enjoy the therapeutic benefits of steam without worrying about hidden water damage.

Why Steam Room Waterproofing Is Essential

Why Steam Room Waterproofing Is Essential

  • Seals ceilings where steam collects, which prevents vapor from penetrating into overhead structures and causing long-term deterioration.
  • Protects benches and seating areas, which ensures surfaces remain solid and free from moisture-related cracking or swelling.
  • Defends floor assemblies, which blocks condensation from seeping into subfloors and keeps the foundation of the steam room stable.
  • Safeguards wall structures, which stops vapor drive from damaging studs and insulation behind tiled surfaces.
  • Preserves residential steam rooms for intermittent use, which extends the life of your home spa and reduces maintenance costs.

Waterproofing a steam room is not just about protecting finishes, it is about safeguarding the entire enclosure. With ProLux systems, your steam room will remain efficient, secure, and ready for everyday relaxation.

Free Shipping

To the U.S. mainland

Highly Rated

250+ five star reviews

Chat With Us

Live chat during business hours

Design & Layout

free personalized installation plans

FREQUENTLY ASKED QUESTIONS

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

Yes, the ceiling is one of the most critical areas to waterproof because steam rises and collects there, making it highly vulnerable to vapor penetration.

Can benches in a steam room be waterproofed?

Absolutely, benches and seating must be sealed with the same waterproofing system to prevent moisture from weakening the structure over time.

Is residential steam room waterproofing different from commercial systems?

Yes, ProLux systems are approved only for residential and intermittent use, not for commercial or continuous steam rooms.

How does waterproofing protect the floor of a steam room?

Waterproofing creates a vapor barrier beneath the tile that stops condensation from reaching subfloors, protecting the structural base from long-term damage.

RELATED SUBCOLLECTIONS