Building a new home is exciting, but it also comes with a lot of requirements.

One of the most important steps during new construction is working with a building code inspector.

A building code inspector reviews the work being done on your home to make sure it meets safety standards and local building requirements. These inspections help ensure your new home is safe, efficient, and built correctly the first time.

Some parts of the building code are straightforward, while others can be more complex. Insulation, for example, can meet code requirements in two different ways: by reaching specific prescriptive R-Values or by meeting performance standards, depending on the insulation material used.

At RetroFoam of Michigan, we've worked with building code inspectors and new build home inspectors for more than 20 years. Understanding how inspections work -- and how to communicate with inspectors -- can help keep your project running smoothly.

Before you begin construction, it's helpful to understand the inspection process, the requirements involved in building a new home, and how to work effectively with your inspector.

Key Points When Working with a Building Code Inspector

• A building code inspector ensures your new home meets safety and construction standards.
• Communication between homeowners, contractors, and inspectors helps prevent costly mistakes.
• Insulation can meet code through prescriptive R-Values or performance-based standards.
• Documenting inspections and approvals protects you if questions arise later.
• Being present during inspections helps you better understand your home and the building process.

Why Building Code Inspectors are Important When Building a New Home

When you build a new home, local governments require inspections throughout the construction process.

These inspections confirm that each phase of the project meets building codes and safety requirements.

A building inspector for new homes may review several stages of construction, including:

• Foundation work

• Framing
• Electrical and plumbing systems
• Insulation installation
• Final building inspections

Each step helps verify that your home meets the requirements for safe and compliant construction.

For insulation specifically, inspectors often check that materials meet local energy code requirements.

Tips for Working with Your Building Code Inspector

Building inspectors are there to help ensure everything is done correctly.

Establishing a good working relationship can make the process much smoother.

Communicate with the Inspector Before Construction Starts

Before building begins, your contractor should submit plans to the building code inspector for approval.

Early communication helps ensure everyone understands what materials and methods will be used during construction.

If insulation is part of the discussion, the inspector should know what type will be installed so they can determine how it will meet code.

Discuss Insulation Plans Early

Not all insulation materials are evaluated the same way.

Traditional materials like fiberglass or cellulose insulation must meet specific R-Value requirements to pass inspection.

Spray foam insulation, on the other hand, may pass through performance-based standards, meaning it can meet code through air sealing and energy performance rather than just R-Value alone.

Talking about insulation plans early helps ensure your contractor and inspector are aligned before installation begins.

Keep Documentation from Every Inspection

Detailed documentation can make a huge difference during the construction process.

It's a good idea to:

• Keep records of inspection approvals
• Take notes during walkthroughs
• Photograph areas where corrections are requested
• Save all inspection reports

Good documentation protects homeowners and helps avoid confusion later in the project.

Schedule Inspections Carefully

Timing matters when coordinating inspections.

It's often best to schedule inspections early in the day and leave some flexibility in your schedule. If the inspector finds something that needs adjustment, you'll want time to address it before the next phase of construction begins.

Most importantly, make sure inspections are approved before moving forward with the next step, including insulation installation.

Walk Through the Project with the Inspector

If possible, be present when the building inspector for your new home visits the job site.

Walking through the home together allows you to:

• Ask questions

• Understand the inspector's expectations
• Discuss insulation and energy efficiency goals
• Learn more about how your home is being built

This can be a valuable learning experience for homeowners building a new house.

Ask Questions if Something Needs to Be Fixed

If the inspector identifies an issue, don't panic.

Ask questions about what needs to be corrected and how to address the problem. Inspectors are typically willing to explain what they're looking for so the issue can be resolved quickly.

In many cases, small adjustments can bring the project back into compliance without major delays.

Meeting Building Code Requirements for a New Home

While bringing donuts to your local building inspector might earn a smile, what they really want is for the job to be done correctly the first time.

Choosing an insulation contractor who understands building codes can make a huge difference during the construction process.

When the contractor, inspector, and homeowner are all on the same page, inspections tend to go much more smoothly.

If you're building a new home and exploring insulation options, understanding how different materials meet code requirements can help you make more informed decisions about comfort and energy efficiency.

To learn more about insulation options for new construction, explore additional resources in our Learning Center.

Related Articles

Michigan Insulation Code: New Home Insulation Requirements

Spray Foam Insulation Code Requirements: How to Pass Code Without Meeting Prescriptive R-Value

Spray Foam Insulation for New Build Homes: Answers to Frequently Asked Questions

Frequently Asked Questions About Building Code Inspectors for New Homes

Do you need a home inspector for a new build?

Yes, hiring a home inspector for a new build can still be beneficial even though the home must pass building inspections.

A building code inspector works for the municipality and focuses on whether the home meets minimum building code requirements. A private new build home inspector works for you and may provide a more detailed inspection of workmanship, materials, and potential issues.

Many homeowners choose to hire both to ensure their new home is built correctly.

What does a building code inspector check during new construction?

A building code inspector reviews different stages of construction to confirm the home meets local building regulations.

Typical inspections during building a new home may include:

• Foundation inspection

• Framing inspection
• Electrical and plumbing inspections
• Insulation inspection
• Final building inspection

Each inspection ensures the home meets safety and structural standards before construction moves forward.

What is the difference between a building code inspector and a home inspector?

A building code inspector works for a city or county and verifies that the home meets minimum building code standards.

A home inspector for a new build, on the other hand, is hired by the homeowner to look for potential issues such as:

• Workmanship problems

• Installation mistakes
• Material concerns
• Areas that could cause future maintenance issues

Both inspections serve different purposes and can provide peace of mind during new home construction.

Can a new home fail a building inspection?

Yes, even when building a new home, it's possible to fail an inspection if something does not meet code requirements.

Common issues inspectors may flag include:

• Incorrect insulation installation

• Electrical wiring problems
• Plumbing issues
• Structural concerns

When a problem is found, the contractor typically corrects the issue and schedules a reinspection before continuing construction.

What are the requirements for building a new home?

The requirements for building a new home vary by location, but generally include:

• Approved construction plans

• Building permits
• Multiple inspections throughout construction
• Compliance with building and energy codes
• Final inspection approval before occupancy

Working with experienced contractors and communicating with your building code inspector can help ensure the project meets all local requirements.