Business Details
25 Years
experience
Commercial Construction & Roofing Services in Fresno, CA
Graham-Prewett, Inc. has been a trusted leader in commercial construction since 2001, specializing in roofing, wall and ceiling panels, and metal fabrications. Our team combines seasoned expertise with innovative solutions to deliver high-quality projects across diverse sectors including education, healthcare, and government facilities. With a strong commitment to client relationships and reliability, we maintain partnerships with Carpenters and Roofers unions while holding multiple state certifications.Our custom sheet metal shop supports both local and regional projects, reflecting our dedication to precision and customer satisfaction. As a family-owned business, we prioritize growth through technical excellence and community engagement, ensuring every project meets the highest standards of craftsmanship.
Services
Roofing Services
Sheet Metal Fabrication
General Contracting
Metal Panel Installation
Custom Metal Fabrications
Built-Up Roofing
Single Ply Roofing
Exterior Cladding
Rain Gutters
Waterproofing
Details
- Year established: 2001
Highlights and features
- We offer 20+ years of commercial construction experience since 2001
- Our team holds multiple state-certified licenses for specialized work
- We maintain union partnerships for quality craftsmanship assurance
- We operate a dedicated custom sheet metal fabrication facility
- We serve diverse sectors including education, healthcare, and government
Associations and certifications
- California Contractors State License Board (A, B, C22, C33, C39, C43)
Services
Roofing Services
We provide comprehensive roofing solutions including new construction, re-roofing, and maintenance for commercial properties. Our expertise covers built-up roofing, single ply membranes, and metal roofing systems. With specialized teams for composition shingle, tile, and elastomeric membrane installations, we ensure durable, weather-resistant solutions tailored to each building's structural requirements.
Sheet Metal Fabrication
Our in-house sheet metal shop produces custom components for commercial buildings including flashings, gutters, and architectural elements. We work with aluminum, galvanized steel, and stainless steel to create precision components like coping, rain gutters, and expansion joints. Our certified fabrication capabilities support complex projects requiring specialized metalwork up to 21 feet in length.
General Contracting
We manage full-scale commercial construction projects from concept to completion, coordinating all aspects of building systems integration. Our general contracting services cover educational institutions, healthcare facilities, and government buildings. With multiple state certifications, we handle projects involving asbestos abatement, painting, and specialized roofing systems under one contract.
Exterior Cladding
We install high-performance exterior cladding systems including metal panels, aluminum composite panels, and fiber cement materials. Our solutions enhance building aesthetics while providing weather protection and energy efficiency. We specialize in insulated metal panels and sunshade systems that meet strict commercial building codes and sustainability standards.
Waterproofing
Our waterproofing solutions protect commercial structures from water intrusion through advanced membrane systems and sealant applications. We implement solar tube skylights and specialized flashing systems to maintain building integrity. Our expertise includes waterproofing for roof transitions, expansion joints, and critical building envelope components.
Questions
What types of commercial projects do you specialize in?
We specialize in educational institutions, healthcare facilities, government buildings, detention centers, and industrial facilities across California's Central Valley.
Are you licensed for specialized construction work?
Yes, we hold California state certifications for general engineering, asbestos abatement, painting, and specialized roofing and sheet metal work.
Do you provide custom metal fabrication services?
Yes, our dedicated sheet metal shop creates custom components including flashings, gutters, and architectural elements up to 21 feet in length.
What roofing systems do you install?
We install built-up roofing, single ply membranes, metal roofing, tile systems, and elastomeric membranes for both new construction and re-roofing projects.
Do you work outside the Central Valley?
While based in Fresno, we pursue projects beyond the Central Valley that align with our expertise in commercial construction and metal fabrication.
