Trusted Insulation Contractors in Marin County


For more than 47 years, SDI Insulation has been a trusted name among insulation contractors in Marin County, delivering high-performance insulation solutions that improve comfort, energy efficiency, and long-term building durability. Serving homeowners, builders, architects, and commercial property owners throughout the San Francisco Bay Area, our team brings unmatched building science expertise and a deep understanding of California’s evolving energy codes.

Marin County’s diverse housing stock—from historic homes to modern custom builds—requires insulation systems that are both technically sound and code-compliant. SDI Insulation is your local expert for designing and installing insulation solutions that meet Title 24 requirements while supporting sustainability, comfort, and cost efficiency.

 

Building Efficiency Expertise Backed by Decades of Experience

As one of the most experienced insulation contractors in Marin County, SDI Insulation offers more than product installation—we provide complete building envelope solutions. Our in-house team of project estimators and building efficiency specialists works directly with clients to evaluate each structure, identify opportunities for performance improvements, and design insulation systems that align with both state and national green building regulations.

Navigating California’s energy codes can be complex, especially with frequent updates to Title 24. SDI Insulation simplifies the process by guiding homeowners and builders through every requirement, ensuring that insulation choices are both compliant and cost-effective.

 

Residential Insulation Services in Marin County

Homeowners throughout Marin County trust SDI Insulation for reliable, high-quality residential insulation services that improve indoor comfort and reduce energy costs year-round. Our team evaluates each home’s layout, climate exposure, and existing insulation to determine the most effective solution.

 

Our residential insulation services include:

 

  • Spray foam insulation for superior air sealing and thermal performance

  • Blown-in insulation for attics and wall cavities

  • Batt insulation for new construction and remodels

  • Attic insulation upgrades and replacements

  • Crawlspace insulation and moisture control

  • Wall, floor, and ceiling insulation

  • Sound-deadening insulation for noise reduction

  • Insulation removal and replacement

 

 

Every insulation project in Marin County is approached with precision, ensuring proper installation and long-term performance.

 

New Construction & Remodel Insulation

Marin County’s active construction and renovation market demands insulation contractors who understand both design intent and code compliance. SDI Insulation partners with builders, architects, and general contractors to deliver insulation systems that integrate seamlessly into new construction and remodeling projects.

 

Whether you are building a custom home, adding an ADU, or completing a major renovation, our team ensures the insulation envelope supports energy efficiency, indoor air quality, and occupant comfort from day one.

 

We specialize in insulation solutions for:

 

 

  • Custom residential builds

  • Remodels and additions

  • ADU insulation

  • Energy-efficient retrofits

  • Green building projects

 

 

By addressing insulation early in the design process, SDI Insulation helps Marin County projects avoid costly revisions while achieving long-term performance goals.

 

Commercial Insulation Solutions

SDI Insulation also provides commercial insulation services throughout Marin County, supporting offices, retail spaces, multi-family properties, and institutional buildings. Our commercial insulation systems are designed to meet stringent energy codes while enhancing occupant comfort and operational efficiency.

Our commercial insulation services include thermal insulation, sound control solutions, and air sealing systems that contribute to reduced energy consumption and improved building performance.

 

Title 24 Compliance Made Simple

California’s Title 24 energy standards play a critical role in how insulation systems are designed and installed. As experienced insulation contractors in Marin County, SDI Insulation ensures every project meets or exceeds Title 24 requirements.

Our team assists with:

 

 

  • Evaluating insulation R-value requirements

  • Designing compliant building envelopes

  • Coordinating with energy consultants and inspectors

  • Supporting permit approvals and inspections

 

 

By aligning insulation strategies with Title 24 standards, we help property owners achieve compliance without sacrificing budget or performance.

 

Sustainable and Cost-Effective Insulation Systems

Sustainability is a core focus of insulation in Marin County, and SDI Insulation is proud to support environmentally responsible building practices. We work with LEED-certified manufacturers and offer insulation systems that reduce energy consumption, improve indoor comfort, and support long-term sustainability goals.

Our insulation solutions help:

 

 

  • Lower heating and cooling costs

  • Reduce carbon footprint

  • Improve indoor air quality

  • Enhance overall building efficiency

 

 

By selecting the right insulation materials and installation methods, SDI Insulation delivers lasting value for Marin County homeowners and businesses.

 

Advanced Diagnostics and Home Performance Testing

To ensure insulation systems perform as intended, SDI Insulation offers advanced diagnostic services, including thermal imaging and home performance testing. These tools allow our team to identify air leaks, thermal bridging, and insulation deficiencies that may not be visible to the naked eye.

 

This data-driven approach enables precise recommendations and targeted improvements, maximizing the effectiveness of insulation upgrades.

 

Why Choose SDI Insulation in Marin County

Clients choose SDI Insulation because we combine technical expertise with local knowledge and decades of proven results. Our commitment to quality, transparency, and long-term performance sets us apart from other insulation contractors in Marin County.

When you work with SDI Insulation, you benefit from:

 

 

  • Over 47 years of industry experience

  • In-house project estimators and building experts

  • Deep knowledge of Marin County building standards

  • Proven insulation solutions for residential and commercial projects

  • A focus on comfort, efficiency, and sustainability

 

 

 

Serving Marin County with Confidence

From San Rafael and Mill Valley to Novato, Larkspur, and beyond, SDI Insulation proudly serves communities throughout Marin County. Whether you are upgrading an existing home or planning a new build, our team delivers insulation solutions designed for long-term performance and compliance.

 

If you are searching for trusted insulation contractors in Marin County or need expert guidance on insulation Marin County properties require to meet today’s energy standards, SDI Insulation is ready to help.

 

Contact SDI Insulation today to schedule a consultation and discover how our building efficiency expertise can improve comfort, reduce energy costs, and support sustainable construction throughout Marin County.You have not enough Humanizer words left. Upgrade your Surfer plan.