Business Details
50+ Years
experience
Your Trusted Roofing Partner in Norristown, PA
Founded in 1967, G. Cannon Roofing and Siding has served Pennsylvania communities for over 55 years as a family-owned business. Our team of licensed professionals specializes in residential and commercial roofing, siding, windows, and gutters, prioritizing quality workmanship and customer satisfaction. With decades of combined experience, we deliver tailored solutions using premium materials like GAF products, TPO, EPDM, and PVC. Our commitment to transparency ensures clear communication throughout every project, from initial estimates to completion. We maintain full licensure and insurance for client protection, exceeding industry standards.Our local expertise spans Montgomery, Bucks, Chester, and Delaware counties, serving areas including Norristown, King of Prussia, and West Chester. We guarantee competitive pricing without compromising durability, backed by comprehensive warranties. Our process emphasizes informed decision-making, offering free inspections and detailed estimates. Customer trust remains our foundation, demonstrated through consistent service excellence and community engagement since our establishment.
Services
Residential Roofing
Commercial Roofing
Siding Installation
Window Replacement
Gutter Services
Details
- Year established: 1967
Highlights and features
- We offer 55+ years of local roofing expertise in Pennsylvania communities
- Our team consists of licensed and fully insured professionals
- We provide free inspections and detailed project estimates
- We guarantee quality workmanship with comprehensive warranties
- We offer flexible financing options for roof replacements
What people say
Excellent roof inspector
Perfectly done roof
Seamless experience
Fantastic experience
Top-notch work
Services
Residential Roofing
We specialize in complete residential roofing solutions including shingle, metal, and flat roof systems. Our GAF-certified technicians install durable, energy-efficient roofs with lifetime warranties. From storm damage repair to full replacements, we ensure watertight protection and enhanced curb appeal for Pennsylvania homeowners.
Commercial Roofing
Our commercial roofing division handles flat and low-slope systems using TPO, EPDM, and PVC membranes. We provide maintenance programs and emergency repairs for industrial, retail, and office properties. Our team meets strict building codes while minimizing business disruption during installations.
Siding Installation
We install premium vinyl, fiber cement, and composite siding that withstands Pennsylvania weather. Our siding solutions improve energy efficiency and property value while requiring minimal maintenance. Free consultations include material selection and custom color matching for residential and commercial buildings.
Window Replacement
We offer energy-efficient vinyl and composite window replacements that reduce utility costs and noise. Our certified installers handle custom sizes and historic home renovations, providing options with lifetime warranties. Free estimates include thermal performance analysis for optimal energy savings.
Gutter Services
Our seamless gutter installations and repairs protect properties from water damage. We offer aluminum, copper, and steel options with leaf guard systems. Regular maintenance services include cleaning, downspout clearing, and structural reinforcement for both residential and commercial clients.
People
Gerald Cannon
President + CEO
Third-generation roofing expert with 30+ years leading G. Cannon. Oversees operations and strategic growth while maintaining hands-on client engagement. Prioritizes ethical business practices and community involvement.
Jerry Cannon
Marketing Manager
Manages brand development and customer communications. Combines industry knowledge with digital strategy to enhance client experience. Represents company values through transparent marketing practices.
Kevin Keenan
Residential Estimator
Certified roofing specialist providing accurate residential project assessments. Focuses on client education during estimates and ensures clear communication throughout project timelines.
Chris Degama
Commercial Supervisor
Manages commercial projects with emphasis on code compliance and operational efficiency. Coordinates large-scale installations while maintaining direct client communication for business clients.
Mike Peake
Field Service Supervisor
Oversees daily field operations and technician training. Ensures quality control across all service types while addressing client concerns during project execution.
Questions
What services do you offer?
We provide residential and commercial roofing, siding, window, and gutter installation and repair services.
Are you licensed and insured?
Yes, we hold Pennsylvania license #PA039331 and maintain full liability insurance coverage.
How long do roofing projects take?
98% of roofs under 3,000 sq. ft complete in one day with typical scheduling within two weeks.
Do you offer financing options?
Yes, we provide flexible financing solutions for qualifying roof replacement projects.
How do I determine repair vs replacement?
Our technicians provide free evaluations to help you make informed decisions during your estimate visit.
