About Us

M&J Insulation and Firestop LLC
About M&J Insulation and Firestop LLC

Built on Experience. Focused on Quality. Trusted for Reliable Insulation & Firestop Work.

M&J Insulation and Firestop LLC is a professional insulation installation company based in Durham, North Carolina, serving homeowners, builders, and contractors with dependable insulation and firestop services for residential construction, remodeling projects, and energy-efficiency improvements.

We deliver practical, professional solutions that improve indoor comfort, support energy performance, and contribute to safer buildings through carefully installed insulation and firestop systems.

10+ Years Experience Residential Projects Builder & Contractor Friendly Energy Efficiency Focused
Who We Are

A company shaped by hands-on experience and professional workmanship

M&J Insulation and Firestop LLC specializes in high-quality insulation and firestop installation for residential projects. We work with homeowners, builders, and contractors who need dependable service, proper installation, and work completed to professional standards.

The company is owned and operated by Olawale Adesioye, who brings over 10 years of experience in the insulation and construction industry. His background includes new residential construction, renovation work, and insulation upgrades for existing homes.

That experience helps us approach every job with attention to detail, practical job-site understanding, and a commitment to delivering insulation solutions that improve comfort, efficiency, and long-term value.

Our Standards

  • Professional installation quality
  • Dependable project coordination
  • Clear communication from start to finish
  • Strong attention to detail
  • Reliable service at competitive pricing
What We Do

Professional insulation and firestop services tailored for performance

Core Services

Batt Insulation Installation

Installed in walls, ceilings, and floors to improve thermal performance and reduce energy loss.

Attic Insulation

Helps reduce heat loss and supports better indoor comfort throughout the year.

Crawl Space & Basement Insulation

Improves temperature control, comfort, and overall efficiency in lower-level spaces.

Firestop Installation

Helps reduce the spread of fire through penetrations and structural openings.

Remodeling & New Construction Insulation

Installed according to project requirements for dependable long-term performance.

Why Clients Choose Us

01
Experienced Industry Knowledge

More than 10 years of hands-on insulation and construction experience.

02
Quality Workmanship

We focus on proper installation methods that support comfort and efficiency.

03
Reliable Service

We work professionally with homeowners, contractors, and builders.

04
Safety & Performance Focus

Our work supports safer structures and better energy performance.

Our Process

A refined process designed for smooth, professional project delivery

1

Project Consultation

We begin by discussing the project scope, insulation requirements, and expected timeline.

2

Site Evaluation

We assess the site, determine insulation needs, and identify the materials required.

3

Project Estimate

A clear estimate is provided covering labor, materials, and scope of work.

4

Professional Installation

Our team completes the work carefully and according to professional standards.

5

Final Inspection

We review the completed installation to ensure quality and proper execution.

6

Project Completion

The project is finalized with customer satisfaction and quality delivery as the priority.

Service Areas

Proudly serving Durham and nearby North Carolina communities

Durham Raleigh Roxboro Carrboro Pittsboro Mebane Bahama Graham Burlington Greensboro Knightdale Chapel Hill Cary Morrisville Apex Hillsborough Wake Forest Garner

If your project is located outside these areas, please contact us to discuss availability. We can travel up to 50 miles from Durham, NC.

Request a Quote

Ready to improve comfort, efficiency, and building safety?

We provide dependable insulation and firestop installation services with the workmanship, professionalism, and attention to detail your project deserves.

Contact Information

Location: Durham, North Carolina