Waterproofing Solutions

Marquee Residences (PVC Membrane)

Marquee Residences (PVC Membrane)

Alveo Financial Tower (RWSI Caulk & Mesh System)

Alveo Financial Tower (RWSI Caulk & Mesh System)

Abreeza Residences (PVC Membrane)

Abreeza Residences (PVC Membrane)

Maridien Towers (PVC Membrane)

Maridien Towers (PVC Membrane)

Verve Towers (PVC Membrane)

Verve Towers (PVC Membrane)

Durable Protection. Elevated Precision. Lasting Impact.

RWSI is the nation’s premier expert on waterproofing solutions in the Philippines. For close to 30 years, we have specialized in preventing, identifying, and rectifying leaks with precision and professionalism. Our waterproofing systems include elastomeric caulk and mesh, liquid-applied membranes, cementitious coatings, and PVC membranes, all designed to extend the life of your property and protect it from costly damage. With a proven track record across residential, commercial, and industrial projects, RWSI sets the standard for waterproofing excellence nationwide.

Waterproofing Services:

  • Elastomeric Caulk & Mesh System

    • RWSI’s signature waterproofing system

    • Flexible, durable, and ideal for façades and wall joints

    • Prevents cracks and water penetration

  • Liquid-Applied Waterproofing

    • Seamless, flexible membranes

    • Applied to roofs, balconies, and exposed decks

    • Ideal for irregular or complex surfaces

  • Cementitious Waterproofing

    • Rigid and semi-flexible coatings

    • Used in basements, water tanks, and retaining walls

    • Resistant to hydrostatic pressure

  • PVC Membrane Waterproofing

    • Large-scale waterproofing solution

    • Heat-welded sheets with long service life

    • Ideal for roof decks with gardens

  • Leak Prevention, Detection, and Rectification

    • Diagnostic inspection of water ingress points

    • Professional repair of failed waterproofing systems

    • Long-term maintenance plans to protect investments

Stop Leaks Before They Start. Protect Your Property from the Top Down.


We deliver reliable waterproofing systems that extend your building’s lifespan, reduce costly repairs, and defend against water intrusion—rain or shine.

Total Waterproofing Solutions for Building Envelopes

At Roof & Wall Saver, Inc., we specialize in waterproofing exterior surfaces of commercial and residential buildings—from roof decks and parapets to external walls and vertical facades. Serving developers, property managers, and building owners across the Philippines, our waterproofing systems are designed to protect structures from moisture damage, mold growth, and premature deterioration.

Whether you’re sealing a new development or rehabilitating an aging asset, our goal is to ensure water stays out—and your building stays strong.

Our Methods & Materials: Built for Tropical Conditions

Our waterproofing solutions are tailored to meet the challenges of the Philippine climate. We use a range of systems and access methods depending on your building’s requirements:

  • RWSI’s Elastomeric Caulk and Mesh System – Flexible and breathable caulk and mesh system that expand and contract with weather changes

  • PVC Membrane Systems – Durable, heat-welded thermoplastic sheets ideal for flat roofs, decks, and exposed roof areas

  • Cementitious Waterproofing – Ideal for concrete surfaces like basements, parapets, and exposed walls

  • PU Sealants and Joint Treatments – High-performance sealants for expansion joints and façade cracks

  • Electric Gondolas and Rope Access – Safe vertical access for high-rise applications

  • Moisture Testing & Surface Preparation – Includes pressure washing, patching, and primer application for optimal adhesion

  • Thermal Camera Inspection – Non-invasive infrared scanning to detect hidden moisture, leaks, and thermal irregularities in roofs and walls

Services We Provide

We offer comprehensive waterproofing for both new construction and retrofit projects:

  • Roof deck waterproofing for concrete and metal substrates

  • External wall waterproofing using elastomeric systems

  • Parapet, ledge, and gutter waterproofing

  • Crack injection and joint resealing

  • Damp wall treatment and anti-mold coatings

  • Application of protective coatings for marine or coastal structures

  • Waterproofing system specification and consultation for new projects

  • Annual maintenance and waterproofing re-application

Why Clients Trust RWSI

  • Prevents costly structural damage caused by water ingress

  • Improves indoor comfort and air quality by reducing dampness

  • Extends the lifespan of roofs, walls, and finishes

  • Minimizes tenant complaints and operational downtime

  • Ensures professional-grade installation using proven materials

Request a Site Visit

Ready to protect your building? Let’s talk.