Whittier Superior Roofing Experts: Commercial Roofing Installation, Replacement, & Repair

Whittier Superior Roofing Experts is the trusted name for commercial roofing, flat roof replacement, and leak repair throughout Whittier, CA. With more than 28 years of experience, we have helped over 1,200 local businesses protect their properties with durable, energy-efficient TPO, EPDM, and metal roofing systems. Our licensed team has completed over $3.5 million in landmark commercial projects across the city, including PIH Health Whittier Hospital, Whittier College, Whittier High School, Friendly Hills Mall, and Whittier City Hall.


We provide business owners, property managers, and commercial developers with roofing solutions tailored to their specific needs. Our services include TPO roofing, EPDM roofing, modified bitumen systems, metal roofing installation, and flat roof repair and maintenance. We understand the importance of protecting your investment, which is why every installation meets California Title 24 cool roof energy compliance requirements. Every project is backed by manufacturer warranties from GAF, Carlisle SynTec, Firestone, Johns Manville, and CertainTeed, including 50-year Golden Pledge shingle warranties and 30-year commercial flat roof warranties with no-dollar-limit replacement coverage.

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References of Big Commercial Roofing Projects We've Done

Whittier City Hall

Full Roof Replacement

$115K Project

Friendly Hills Mall / Shopping Center

Full Roof Replacement

$880K Project

PIH Health — Whittier Hospital

Full Roof Replacement

$1.213 Million Project

Presbyterian Intercommunity Hospital — PIH Medical Office Building

Full Roof Overlay

$270.4K Project

Whittier College

Full Roof Replacement

$720K Project

U.S. Post Office — Whittier

Full Roof Overlay

$74K Project

Whittier High School

Full Roof Replacement

$566K Project

Parnell Park Community and Senior Center

Full Roof Overlay

$127K Project

Why Choose Whittier Superior Roofing For Your Projects

  • Licensed C-39 roofing contractor with 28 years of completed commercial projects across Whittier and the San Gabriel Valley corridor, including over $3.5 million in named landmark installations at PIH Health Whittier Hospital, Whittier College, and Whittier High School.
  • Certified installer for GAF, Carlisle SynTec, Firestone, Johns Manville, and CertainTeed.
  • Advanced diagnostic capability using thermal infrared moisture scanning, precision leak source tracking, and full-scale moisture mapping to locate and document moisture intrusion before recommending repair or replacement.
  • Every commercial installation meets California Title 24 cool roof energy compliance requirements, Energy Star certification standards, and Los Angeles County Building and Safety Division permit requirements.
  • Qualified to integrate roofing systems with HVAC curbs, solar panel attachments, drainage redesign, and structural reinforcement on complex multi-story commercial properties throughout Southeast Los Angeles County.
  • OSHA-compliant safety programs on every job site with crew protection protocols specific to occupied commercial buildings, hospitals, schools, and active retail environments.

200+

Projects Completed

14 MILLION

Square Feet Maintained

1,000+

Customers Served

20

Awards Won

Commercial Roofing Systems and Services in Whittier, CA

Metal Roofing Systems

Whittier Superior Roofing installs standing-seam and concealed-fastener metal roofing systems for commercial buildings throughout Whittier, CA. Galvanized steel and aluminum panels are rated Class A for fire resistance and tested to withstand winds up to 140 mph. High-reflectivity finishes can reflect up to 85% of solar heat, helping reduce cooling costs and qualify eligible buildings for California Title 24 cool roof credits.

TPO Thermoplastic Polyolefin Roofing

Whittier Superior Roofing installs TPO thermoplastic polyolefin roofing for energy-efficient, watertight commercial roof systems. We use 60-mil TPO membranes from Carlisle SynTec and Holcim Elevate, with every seam heat-welded and hand-tested. Bright white membranes reflect up to 87% of solar heat, helping reduce cooling costs while meeting Los Angeles County Title 24 requirements.

EPDM (Ethylene Propylene Diene Monomer) Roofing

Whittier Superior Roofing installs EPDM roofing systems for durable, low-maintenance commercial flat roofs. 60-mil and 90-mil membranes are available in fully adhered, mechanically fastened, or ballasted systems selected for each building. EPDM roofing is widely used on warehouses and office buildings throughout Whittier and Southeast Los Angeles and can provide up to a 40-year service life with qualifying manufacturer warranties.

Modified Bitumen Roofing

Modified bitumen roofing from Whittier Superior Roofing delivers durable waterproof protection for commercial low-slope roofs. APP and SBS modified bitumen membranes are installed using torch-applied, cold-adhesive, or self-adhered systems based on project requirements. Two-ply assemblies provide Class A fire ratings, excellent puncture resistance, and extended warranty options from Johns Manville and CertainTeed.

Built-Up Roofing BUR Systems

Whittier Superior Roofing builds BUR systems designed for commercial roofs with heavy foot traffic and rooftop equipment. Multiple layers of asphalt and fiberglass felt are finished with a protective gravel or mineral surface to improve durability and waterproofing. Properly maintained systems can perform for 25 to 30 years in commercial and industrial buildings throughout Whittier, CA.

PVC Polyvinyl Chloride Roofing

PVC polyvinyl chloride roofing from Whittier Superior Roofing provides excellent resistance to grease, oils, and industrial chemicals. Sika Sarnafil and Carlisle 50-mil and 60-mil PVC membranes feature hot-air welded seams and meet California Title 24 solar reflectance standards. These systems perform especially well on restaurants and manufacturing facilities along Colima Road and Washington Boulevard.

Cool Roof Systems

Whittier Superior Roofing installs cool roof systems that improve energy efficiency for commercial buildings. We specify products from GAF, Carlisle SynTec, and CertainTeed based on each building's drainage and structural requirements. High-reflectivity roofing can reduce roof surface temperatures by up to 50°F, lower cooling costs by 20% to 30%, and comply with Title 24, ENERGY STAR®, and Los Angeles County cool roof requirements.

Roof Coatings and Restoration

Whittier Superior Roofing restores commercial roofs with silicone and elastomeric coating systems. Roof coatings can extend service life by 10 to 20 years at a fraction of replacement cost. Every project begins with a thermal infrared moisture scan, while silicone coatings reflect up to 90% of UV radiation and resist cracking and chalking.

Commercial Roof Maintenance Programs

Whittier Superior Roofing provides commercial roof maintenance programs that help extend roof life and reduce repair costs. Programs include twice-yearly inspections, thermal imaging, photo documentation, and preventive repairs tailored to each property. Priority emergency storm response and documentation for insurance carriers and Los Angeles County compliance are also included.

Residential Roofing Systems and Services in Whittier, CA

Asphalt Shingle Roofing

Whittier Superior Roofing installs premium asphalt shingle roofing systems from GAF and CertainTeed. Architectural and impact-resistant laminate shingles are installed to National Roofing Contractors Association (NRCA) standards for reliable performance. These Class A fire-rated systems provide a 25- to 30-year service life, qualify for the GAF Golden Pledge® Warranty, and are permitted and inspected through the City of Whittier Building and Safety Division.

Tile Roofing (Clay and Concrete)

Clay and concrete tile roofing provide exceptional durability, fire protection, and energy efficiency for Southern California homes. Whittier Superior Roofing installs tile systems with a dual-layer underlayment consisting of GAF WeatherWatch® ice-and-water shield beneath GAF FeltBuster® synthetic underlayment, secured with corrosion-resistant fasteners. Properly installed tile roofs can deliver a 50+ year service life.

Residential Metal Roofing

Residential metal roofing from Whittier Superior Roofing delivers long-term durability with lower cooling costs. Standing-seam steel and aluminum roofing systems can reflect up to 85% of solar heat, helping reduce summer heat gain. Concealed fasteners eliminate the UV degradation and fastener back-out associated with exposed-fastener panels.

Residential Flat Roofing

Residential flat roofing requires the right membrane and proper drainage for long-term performance. Our team installs TPO, modified bitumen, and EPDM roofing systems engineered for each home's slope and drainage layout. Every project begins with a laser-level drainage assessment and is completed to pass final municipal inspections.

Roof Replacement and Re-Roofing

Whittier Superior Roofing provides complete roof replacement and re-roofing for aging residential roofs. Every project includes a full tear-off to the structural deck, inspection of the underlying plywood or OSB, and replacement of damaged decking where needed. We install GAF architectural shingles, CertainTeed Landmark shingles, tile, and metal roofing using code-compliant methods that preserve manufacturer warranties.

Roof Repair and Leak Detection

Roof repair and leak detection stop water intrusion before it causes costly structural damage. Whittier Superior Roofing uses thermal infrared moisture detection cameras to locate hidden moisture beneath the roofing system. Repairs are completed with GAF, CertainTeed, and compatible flat-roof materials matched to the existing roof whenever possible.

Roofing Materials Built for Whittier’s Climate

Thermoplastic Polyolefin TPO Membrane

Whittier Superior Roofing installs thermoplastic polyolefin (TPO) membranes for energy-efficient commercial roofing systems. TPO can reflect up to 87% of solar heat, helping reduce cooling costs by as much as 30% in Whittier's climate. Heat-welded seams and a Class A fire rating provide durable, watertight protection for commercial buildings.

Ethylene Propylene Diene Monomer EPDM Rubber

EPDM rubber roofing provides a durable, low-maintenance solution for commercial flat roofs. Whittier Superior Roofing recommends EPDM membranes for buildings exposed to UV radiation, ozone, and temperature fluctuations. Many warehouses and office buildings throughout Whittier choose EPDM for its long service life and cost-effective performance.

Modified Bitumen Membrane

Modified bitumen membranes deliver durable waterproofing for commercial low-slope roofing systems. Whittier Superior Roofing installs APP and SBS modified bitumen systems designed to withstand heavy foot traffic and changing temperatures. Their Class A fire rating and long-term durability make them a popular choice for commercial centers and industrial facilities.

Galvanized Steel and Aluminum Panels

Galvanized steel and aluminum panels provide long-lasting protection for commercial and industrial buildings. Whittier Superior Roofing installs metal roofing systems that reflect up to 85% of solar heat, helping reduce energy consumption throughout Whittier, CA. Their Class A fire rating, durability, and clean architectural appearance make them a popular choice for modern facilities.

Polyvinyl Chloride PVC Roofing Sheets

Whittier Superior Roofing installs polyvinyl chloride (PVC) roofing sheets for buildings requiring superior chemical resistance. PVC membranes resist grease, oils, and industrial pollutants, making them well-suited for restaurants and manufacturing facilities. Hot-air welded seams and high solar reflectivity help buildings meet California Title 24 energy requirements.

Elastomeric and Silicone Roof Coatings

Elastomeric and silicone roof coatings extend roof service life while improving weather protection and energy efficiency. Whittier Superior Roofing applies seamless coating systems that reflect up to 90% of UV rays, helping lower cooling costs and reduce weather-related deterioration. These restoration systems help protect aging commercial roofs without a full replacement.

Commercial Roofing Solutions for Whittier Businesses

Roof Leaks and Water Ponding

Roof leaks and water ponding can lead to structural damage if left unaddressed. Whittier Superior Roofing uses infrared moisture scanning to detect hidden moisture intrusion and identify the source of leaks. We correct drainage deficiencies, eliminate standing water, and apply proven waterproofing systems that help protect commercial buildings from costly water damage.

Roof Membrane Damage and Cracking

Roof membrane damage and cracking reduce the waterproof performance of commercial roofing systems. Our team repairs cracks, punctures, blistering, and deteriorated seams caused by UV exposure and temperature fluctuations. Using reinforced patching, seam restoration, and membrane repairs, Whittier Superior Roofing restores flexibility and long-term weather protection.

Improper Installation and Workmanship Defects

Improper installation and workmanship defects can shorten the lifespan of a commercial roof. Whittier Superior Roofing identifies problems such as poor drainage slopes, failed seam welds, and improperly installed flashing during comprehensive roof inspections. We rebuild deficient areas to meet California commercial roofing standards, improving long-term performance and reliability.

Aging and Deteriorated Roofing Systems

Aging and deteriorated roofing systems often require restoration before full replacement becomes necessary. Sun exposure, airborne pollutants, and seasonal weather gradually weaken commercial roofing materials. Whittier Superior Roofing extends roof service life through roof coatings, re-roofing systems, and targeted structural repairs that restore performance while delaying the cost of replacement.

How Much Does Commercial Roof Replacement Cost in Whittier, CA?

Commercial roof replacement costs in Whittier reflect much more than just surface materials, with labor, structural tear-offs, roof height, and local Title 24 energy compliance driving the majority of your total investment.

To help you plan your project, we have provided detailed pricing breakdowns and total budget distributions in the tables below.

Typical Cost Range Per Square Foot:

Roofing Type
Typical Cost Range (per sq ft)

Built-Up Roofing (BUR)

$10.00 – $22.00

Single-Ply PVC

$8.00 – $15.00

Single-Ply TPO

$7.00 – $15.00

Modified Bitumen

$9.50 – $16.00

EPDM (rubber membrane)

$6.00 – $14.00

Metal Roofing (flat/low slope or sloped)

$12.00 – $18.00

Typical Cost Range Per Square Foot:

Cost Component
Approximate % of Total Cost
Inclusions

Tear-off / Disposal & Substrate Repair

~10-20%

Local code compliance, building permits, unforeseen conditions.

Materials

~40-50%

Removal of old roof, disposal fees, repair/replacement of damaged deck or insulation.

Permits, Inspections & Contingency

~5-10%

Skilled labor, seam welding, substrate preparation, safety measures, cleanup.

Labor & Installation

~30-40%

Includes membrane, insulation, flashings, fasteners, waterproofing layers.

Protect Your Property with Whittier Superior Roofing Experts

Whittier Superior Roofing Experts protects residential and commercial properties with professional roof installation, repair, replacement, and restoration services. With 28 years of experience, we deliver precision workmanship, durable roofing systems, and dependable service throughout Whittier, CA.

Client Testimonials

Michael Torres – Whittier, CA

6 months ago

“Whittier Superior Roofing Experts replaced the TPO roof on our warehouse, and the results were excellent. The crew was professional, on time, and left everything spotless. It’s been over a year, and we haven’t had a single leak—definitely a company that stands by its work.”

Sarah Kim - Pico Rivera, CA

6 months ago

“We had our office building re-roofed with a new metal system, and the differenceis night and day. The heat reflection has lowered our energy bills by at least20%. I appreciate how transparent and detailed the team was throughout the project.”

Daniel Lopez – Santa Fe Springs, CA

6 months ago

“Our old flat roof had constant ponding issues, and Whittier Superior Roofing Experts fixed it perfectly. They used infrared scanning to find hidden moisture and installed proper drainage. No more leaks, and the roof looks brand new.”

Jennifer Morales – La Habra, CA

6 months ago

“We hired them for a roof coating and restoration on our retail plaza, and it was worth every penny. The process was quick, clean, and didn’t interrupt our tenants. The coating made a noticeable difference in keeping the building cooler.”

Commercial Roofing Service FAQs

How much does commercial roof replacement cost in Whittier, CA?

Commercial roof replacement in Whittier, CA costs $6 to $22 per square foot installed. Prices vary depending on the system type you select:

  • EPDM Rubber Membrane: $6 – $14 / sq. ft.
  • Single-Ply TPO: $7 – $15 / sq. ft.
  • Single-Ply PVC: $8 – $15 / sq. ft.
  • Modified Bitumen: $9.50 – $16 / sq. ft.
  • Built-Up Roofing (BUR): $10 – $22 / sq. ft.
  • Commercial Metal Roofing: $12 – $18 / sq. ft.

Materials make up 40% to 50% of the total budget, while labor accounts for 30% to 40%. The remaining 10% to 20% covers tear-off, disposal, structural repairs, City of Whittier permitting, and California Title 24 compliance inspections.

What manufacturer warranties do you offer on Whittier commercial roofing installations?

We offer non-prorated, system-wide manufacturer warranties on Whittier commercial roofing installations.

Our certified installer status allows us to provide the following:

  • Carlisle SynTec: 30-year commercial flat roof warranties for TPO, EPDM, and PVC.
  • Holcim Elevate (formerly Firestone): 20- to 30-year UltraPly TPO and EPDM system warranties with full no-dollar-limit replacement coverage.
  • Johns Manville: 20- to 30-year Peak Advantage guarantees for modified bitumen and TPO systems.
  • CertainTeed: 20- to 25-year Integrity Roof System NDL warranties for low-slope commercial roofs.
  • GAF: Golden Pledge coverage offering 50-year material protection and 25-year workmanship coverage for steep-slope properties, alongside commercial flat membrane guarantees.

How do TPO and PVC commercial roofing membranes differ in Whittier?

TPO commercial roofing membranes provide an energy-efficient roofing solution with high solar reflectivity, heat-welded seams, and excellent UV resistance, making them a popular choice for general commercial buildings in Whittier. PVC commercial roofing membranes provide similar energy efficiency while offering superior resistance to grease, oils, chemicals, and industrial pollutants, making them well-suited for restaurants, food processing facilities, and manufacturing buildings.

Which roofing systems perform best in Whittier's climate?

The roofing systems that perform best in Whittier's high-UV, warm climate include:

  • Commercial Flat Roofs: White TPO for standard commercial properties, PVC for food and chemical facilities, and silicone-coated modified bitumen for high foot-traffic roofs.
  • Residential Pitched Roofs: Class A fire-rated architectural shingles, clay or concrete tile, and standing seam metal.
  • Cool Roof Options: White single-ply TPO or PVC membranes for flat roofs and Title 24-compliant cool roof shingles for pitched roofs.

How long does a commercial roof installation usually take?

A commercial roof installation usually takes 2 to 3 weeks for an average-sized building (20,000 to 50,000 square feet), but the exact timeline ranges from a few days to over a month depending on several project factors.

Estimated Timeline by Building Size & Scope

  • Small Commercial Roofs (under 10,000 sq. ft.): 3 to 7 days
  • Medium Commercial Roofs (10,000 to 50,000 sq. ft.): 1 to 3 weeks
  • Large Commercial Roofs (50,000+ sq. ft.): 3 to 6+ weeks

What is the average lifespan of a commercial roof?

The average lifespan of a commercial roof is 20 to 30 years. The exact longevity ranges from 15 to 50+ years, depending on the material, local climate conditions, installation quality, and maintenance frequency.

What are the signs that my commercial roof needs repair or replacement?

Your commercial roof needs repair or replacement when it exhibits signs of active interior leaks, standing water, membrane damage, flashing deterioration, and spikes in utility costs.