Waterproofing & Repair

Stop leaks before they destroy your home. Professional waterproofing membranes and expert bathroom repair services in Los Angeles.

Bathroom waterproofing and repair Los Angeles

Why Bathroom Waterproofing Matters

Water damage is the single most destructive force in any home. A compromised shower pan, failing grout lines, or an improperly sealed tub surround can silently allow water to penetrate into subfloor structures, wall cavities, and the spaces below — creating conditions for mold growth, wood rot, and structural deterioration that can cost tens of thousands of dollars to remediate.

At LuxBath Pro, waterproofing is not an afterthought — it's the foundation of every wet-area installation we perform. We use proven waterproofing systems approved for residential bathroom applications, applied by trained technicians who understand how moisture moves through building materials.

Signs You Have a Bathroom Leak

  • Water stains on ceilings below your bathroom
  • Soft or spongy floor areas near the toilet, tub, or shower
  • Peeling or bubbling paint on bathroom walls
  • Mold or mildew growth despite regular cleaning
  • Cracked, crumbling, or missing grout lines
  • Musty odors in bathroom or adjacent rooms
  • Tiles that are loose, hollow-sounding, or shifting
  • Unexplained increase in water bills

Our Waterproofing Systems

We use the industry's most trusted waterproofing products and systems, selected based on the specific demands of your application:

  • Sheet membranes — CPE and HDPE sheet membranes for shower floors and walls
  • Liquid-applied membranes — rolled or brush-applied systems that bond directly to substrate
  • Foam tile backer boards — fully waterproof substrate systems like Schluter KERDI
  • Cementitious coatings — rigid waterproof coatings for mortar bed applications
  • Pre-sloped shower pans — factory-sloped foam pans for guaranteed drainage

Grout & Tile Repair

Degraded grout is one of the leading causes of water infiltration in bathrooms. Our repair team removes and replaces cracked, missing, or stained grout lines and applies fresh grout and sealer — restoring your bathroom's waterproof barrier without the need for full demolition. We also repair or replace individual cracked or broken tiles, re-adhere loose tiles, and reseal natural stone surfaces.

Caulk & Sealant Replacement

The caulk joints at the intersection of your tub, shower pan, or floor and wall are the most vulnerable points in any bathroom. These flexible joints must be maintained regularly and replaced when they crack, peel, or develop mold. We remove all old caulk thoroughly, treat the substrate, and apply mold-resistant silicone caulk in a color that matches your grout — creating a seamless, durable, and watertight seal.

Water Damage Restoration

When water damage has already occurred, we have the expertise to remediate it properly. We remove damaged subfloor and wall materials, apply mold remediation treatments where necessary, allow proper drying time, and rebuild the affected areas with proper waterproofing before completing the tile and finishing work. The result is a bathroom that's not only beautiful but structurally sound.

Don't Wait — Water Damage Spreads Fast

If you suspect a bathroom leak, call us immediately. Early intervention prevents catastrophic structural damage.

Call {866) 823-0079