A strong roof protects everything beneath it.
At 911 Construction & Electric Inc., we provide commercial roofing and waterproofing systems designed for durability, efficiency, and code compliance across Los Angeles County.
From flat roof installations to leak detection and Title 24 cool-roof upgrades, we build systems engineered for California’s demanding climate and energy standards.
We install and maintain a wide range of commercial roofing systems, each selected for your building type, slope, and energy requirements.
Our services include:
New roof installation and replacement
Flat, TPO, PVC, and built-up roofing systems
Roof coatings and cool-roof installations
Waterproof membranes and underlayment systems
Roof drain, gutter, and scupper installation
Flashing and sealant applications
Leak repair and moisture testing
Annual inspections and maintenance plans
All systems are installed per California Building Code, Title 24, and NRCA guidelines.
Save energy and reduce heat buildup with reflective roof coatings that meet California Title 24 Part 6 requirements.
Benefits include:
Lower cooling costs
Extended roof lifespan
Improved indoor comfort
Potential utility rebates
We use certified materials from top manufacturers like GAF, Carlisle, and Firestone.
Moisture intrusion can cause serious structural damage.
Our team specializes in roof and below-grade waterproofing for new construction, retrofits, and existing buildings.
We handle:
Liquid-applied membranes and elastomeric coatings
Foundation and wall waterproofing
Expansion joint sealing
Parking deck and balcony waterproofing
Sealant replacement and crack repair
We perform detailed inspections to prevent leaks before they happen.
As a licensed C-10 electrical contractor, we coordinate electrical conduits, solar infrastructure, and mechanical equipment installations during roofing projects — ensuring safe penetrations, proper sealing, and code compliance.
This integration prevents rework and protects your investment.
Office and commercial buildings
Warehouses and manufacturing facilities
Retail centers and shopping plazas
Restaurants, hotels, and hospitality venues
Schools, hospitals, and municipal buildings
Licensed General & Electrical Contractor (CSLB #1027421)
10+ years of commercial roofing and waterproofing experience
Title 24 cool-roof and energy-compliance specialists
Certified installers for leading roofing systems
Reliable warranty coverage and maintenance programs
Contact 911 Construction & Electric Inc. today for expert commercial roofing and waterproofing in Los Angeles County.
We build, repair, and maintain roofs engineered for performance, efficiency, and longevity.
