Business Details
41 Years
experience
Emergency
services
Your Trusted Insulation Partner Nationwide
General Insulation has been a trusted leader in the insulation industry since 1985, delivering high-quality products and solutions for thermal efficiency, moisture control, and life safety. With eight fabrication facilities across North America and a robust supply chain, we serve commercial, industrial, and residential markets by providing job-site managed inventory services and partnering with premier manufacturers. Our team of experts ensures all project specifications meet industry standards, offering customized solutions for HVAC, marine, wood frame, and metal building insulation.We prioritize safety and sustainability, offering PPE, abatement materials, and eco-friendly products. With over 39 years of experience, we guarantee timely delivery, cost-effective solutions, and a commitment to quality that has made us a preferred partner for contractors nationwide.
Services
Mechanical Insulation
HVAC Insulation
Marine Insulation
Firestop Solutions
Safety Products
Building Envelope
Acoustical Insulation
Abatement Materials
Wood Frame Insulation
Metal Building Insulation
Details
- Year established: 1985
Highlights and features
- We have over 39 years of experience in insulation distribution and fabrication.
- Our nationwide facilities ensure efficient supply-chain management and timely delivery.
- We partner with premier manufacturers to meet industry standards for all projects.
- We offer 24/7 customer support for urgent insulation and safety needs.
- Our team provides customized solutions for HVAC, marine, and commercial insulation.
What people say
Great service
Fast delivery
Knowledgeable staff
Committed support
Quality products
Services
Mechanical Insulation
Mechanical insulation solutions for thermal efficiency and condensation control in commercial and industrial settings. Our products meet industry standards for energy savings and environmental compliance. Contractors rely on our job-site inventory management for productivity and safety.
Firestop Solutions
Firestop systems prevent fire spread through walls, floors, and ducts. We supply certified materials like endothermic mats, sealants, and jacketing. Compliance with safety codes ensures protection for buildings and occupants during emergencies.
Safety Products
Personal protective equipment and abatement materials for hazardous environments. Our inventory includes respirators, protective suits, and negative air machines. Safety-focused solutions help contractors meet OSHA standards and reduce workplace risks.
Marine Insulation
Custom insulation for marine equipment, including sound dampening and temperature control. We fabricate parts to specifications using materials resistant to moisture and corrosion. Quality assurance guarantees durability in demanding maritime conditions.
Building Envelope
High-performance insulation systems for roof and wall assemblies in low-rise buildings. Our Simple Saver System provides R-value efficiency without compression issues. Vapor retarders and metal cladding enhance energy savings and structural integrity.
People
Frank Granara
President and CEO
Frank Granara leads General Insulation with over 35 years in the insulation industry. He focuses on innovation and customer-centric solutions, driving growth through strategic partnerships and operational excellence across eight fabrication facilities.
Gerry Towle
Director of Sales & Marketing
Gerry Towle oversees commercial and residential sales, leveraging 25+ years of industry expertise. He ensures client specifications meet standards while expanding market reach through managed inventory services and manufacturer collaborations.
Silvio Grasso
Business Development Executive
Silvio Grasso specializes in weatherization and spray foam solutions. With a decade of experience, he connects contractors with products for environmental control, emphasizing energy efficiency and comfort in residential and commercial projects.
Andre Walton
Warehouse Manager
Andre Walton, October 2025 Core Values winner, manages Dallas operations. He ensures efficient logistics and inventory accuracy, supporting timely deliveries for complex projects while maintaining a safe, organized warehouse environment.
Steve Olson
Operations Manager
Steve Olson, September 2025 Core Values winner, leads Tampa operations. He streamlines processes to meet tight deadlines, resolving supply chain challenges and ensuring client satisfaction through proactive communication and team leadership.
Questions
What insulation products do you offer for commercial buildings?
We provide fiberglass, mineral wool, elastomeric rubber, and metal jacketing for HVAC, piping, and structural insulation in commercial settings.
Do you supply safety equipment for insulation contractors?
Yes, we offer PPE, respirators, negative air machines, and abatement materials to ensure job-site safety and regulatory compliance.
Can you customize insulation for marine applications?
Our team fabricates specialized marine insulation parts using moisture-resistant materials, ensuring durability for boats and offshore equipment.
How do you ensure timely delivery for large projects?
Nationwide facilities, job-site inventory management, and partnerships with top manufacturers enable efficient sourcing and on-time delivery.
What firestop solutions are available?
We supply firestop sealants, endothermic mats, and jacketing systems that meet fire safety codes for walls, floors, and ducts.
Do you offer weatherization products for residential use?
Yes, we distribute batt insulation, spray foam, and vapor barriers to improve energy efficiency in homes across all climates.
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