Business Details
32 Years
experience
Emergency
services
Trusted Commercial Roofing & Waterproofing Services in Downey, CA
Prime Waterproofing & Roofing has been a trusted full-service commercial and industrial roofing and waterproofing contractor since 1994. Our team leverages decades of combined experience to deliver accurate solutions for complex waterproofing challenges across the Southwest United States. Approved by leading manufacturers, we specialize in single-ply systems, fluid-applied membranes, and emergency leak response with 24/7 availability. Our commitment to quality is demonstrated through LEED certification, $7 million liability coverage, and licenses in California and Arizona. We maintain a reputation for reliability through in-house project management, fully supervised installations, and a safety program that prioritizes both workers and clients. With over 30 million square feet of successful installations, we combine advanced materials like PVC, TPO, and KEE thermoplastics with proven maintenance protocols to extend roof lifespans.Our emergency crews respond within two hours for critical situations, while regular maintenance programs prevent costly interior damage. Backed by warranties honored through long-term business stability, we serve clients ranging from healthcare facilities to major retail centers. Client testimonials highlight our direct communication channels with ownership teams and consistent project delivery across 100+ completed assignments. Our focus remains on sustainable solutions that meet California Title 24 energy codes while minimizing tenant disruption during installations.
Services
Single Ply Roofing
Waterproofing
Maintenance & Repairs
Fluid Applied Systems
Emergency Leak Calls
Modified Bitumen
Details
- Year established: 1994
Highlights and features
- 24/7 emergency leak response with two-hour crew arrival guarantee
- $7 million liability insurance coverage per occurrence
- Approved contractor for major U.S. roofing manufacturers
- Licensed operations in California and Arizona
- LEED-certified green building expertise
Associations and certifications
- LEED Certified
What people say
On time
Personal attention
Exceptional quality
No serious complaints
Professional performance
Services
Single Ply Roofing
Lightweight, low-maintenance single-ply systems use PVC, TPO, and KEE thermoplastics for commercial buildings. Reflective surfaces meet California Title 24 codes while resisting extreme weather. Durable 20-40 year lifespan with minimal tenant disruption during installation.
Waterproofing
Comprehensive waterproofing from below-grade to rooftop applications. Uses crystalline technology for concrete sealing and fluid-applied membranes for positive/negative side protection. Decorative coatings handle pedestrian/vehicular traffic on decks and flooring systems.
Emergency Leak Calls
Guaranteed two-hour response for critical leaks with live personnel available 365 days annually. Prevents business interruption, mold growth, and structural damage through rapid deployment of trained repair crews.
Fluid Applied Systems
Cost-effective fluid-applied membranes offer energy-efficient roofing with reflective surfaces that reduce cooling costs. Recoatable for extended service life on asphalt, metal, and single-ply roof substrates across 30+ million installed square feet.
Maintenance & Repairs
Scheduled inspections identify drainage issues and required repairs to maintain warranty compliance. Preventative maintenance extends system longevity while documenting care requirements for commercial property owners.
Questions
What commercial roofing systems do you install?
We specialize in single-ply membranes (PVC/TPO/KEE), fluid-applied systems, modified bitumen, and comprehensive waterproofing solutions for commercial properties.
Do you offer emergency roof leak services?
Yes, our 24/7 emergency response team guarantees two-hour arrival for critical leak situations across California and Arizona.
Which areas do you serve?
We operate throughout the Southwest United States, with licensed operations in California and Arizona.
Are maintenance programs necessary for roof warranties?
Yes, all manufacturers require documented maintenance. Our programs prevent costly damage while preserving warranty validity.
How experienced is your team?
With 30+ million square feet installed since 1994, our crews have extensive experience across all commercial roofing applications.
Do you handle large-scale projects?
Yes, we've completed installations exceeding 140,000 square feet and maintain systems for major retail centers and healthcare facilities.
