Lower Energy Bills with Professional Insulation

Residential & Commercialh Insulation Services

Is Your Attic Costing You Money?

Improve comfort, reduce energy bills , and stop heat loss with professional attic insulation installed by a local, family-owned company.

Why Choose Us?

Our expert insulation services provide excellent thermal performance, ensuring your home stays warm in winter and cool in summer. Trust our skilled team for reliable installation.

Our Process

We assess your attic space, recommend the best insulation type, and provide professional installation. Our goal is to enhance your home’s efficiency while keeping it comfortable.

Customer Testimonials

Don’t just take our word for it. Hear from satisfied customers who've experienced our top-notch insulation services. Their comfort is our pride!

Contact Us Today

Ready to improve your home's insulation? Get in touch with Greenshield Insulation for a free estimate and expert advice on the best solutions for your needs.

Attic Insulation Calculator

Estimate how much insulation your attic may need for better comfort and energy efficiency in Southwest Michigan.

Calculator Inputs

Attic Length (feet)

Attic Width (feet)

Current Approx. R-Value

Target R-Value

Insulation Type

This tool provides a planning estimate only. Final recommendations depend on air sealing, attic condition, ventilation, and code goals.

Your Estimate

Want an exact recommendation for your home in Mattawan, Kalamazoo, Portage, Paw Paw, or nearby? Contact Greenshield Insulation for a free estimate.

FAQ

Frequently Asked Questions about Attic Insulation

What is attic insulation?

Attic insulation helps to prevent heat loss in the winter and keep heat out in the summer. It plays a key role in maintaining a comfortable home and improving energy efficiency.

How do I know if I need insulation?

If you notice drafts, high energy bills, or if your home feels cold in winter or hot in summer, it might be time to check your insulation levels. A quick inspection can help you determine if it’s time for an upgrade.

What types of insulation are available?

Common types include fiberglass, foam board, spray foam, and cellulose. Each type has its own benefits and suitability depending on your home’s needs and budget.

Can I install insulation myself?

While DIY insulation is possible, it can be complex and requires safety precautions. Hiring professionals ensures your insulation is installed correctly and effectively.

How long does insulation last?

Quality insulation can last over 30 years. However, factors like moisture and damage can affect its performance, so regular checks are recommended.

R-Value Insulation Guide

Climate Zone 5 • SW Michigan (Typical Code Targets)

Fast Reference

Climate Zone 5: Common across Southwest Michigan. Always confirm local adoption/requirements for your municipality.

Area	Typical Minimum R-Value	Notes
Attic / Ceiling Unfinished attic space	R-49	Air seal first for best performance.
Exterior Walls Wood-framed 2×4 / 2×6	R-20	Alt common path: R-13 + R-5 continuous.
Mass Walls Concrete / brick / CMU	R-13	May vary by % of wall above grade.
Floor Over unconditioned space	R-30	Band/rim joists matter a lot here.
Basement Walls Below grade	R-15 to R-19	Continuous insulation commonly used.
Crawl Space Walls Vented or unvented	R-15 to R-19	Best results when sealed + conditioned.
Slab Edge Heated slab (where required)	R-10	Often for a specified depth at perimeter.