Commercial and Residential Insulation Contractor in Winnetka, IL
Green Attic Insulation provides Winnetka homes, commercial buildings, and industrial facilities with advanced insulation and remediation solutions that improve energy efficiency and support long-term building performance.
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Why Choose Green Attic?
With over 15 years of serving Chicagoland homes and buildings, we provide:
- Full-service insulation solutions
- Licensed and certified technicians
- Immediate rebate opportunities
- Healthier indoor air quality
- Clear pricing and strong warranties

EPA Lead Safe Certified
OSHA Certified

PHS Environmental

BBB Accredited

Nextdoor Recommended

BPI Licensed

NAHB Member

EPA Certified

ASHI Certified Inspector
HomeAdvisor Approved

Angie's List Verified

Yelp Rated
Our Comprehensive Insulation Services

Spray Foam Insulation
Winnetka, IL
Our Proven Process
Step 1: Free Energy Audit
Step 2: Customized Plan
Step 3: Professional Installation
Step 4: Results
Frequently Asked Question
What are the uses of R30 insulation?
Owens Corning R-30 Unfaced Batts are primarily utilized in roofing, ceiling, and interior/exterior wall applications. It is suitable for both wood and metal framing cavities or installation between furring channels.
What type of insulation is recommended for a basement ceiling?
For a basement ceiling, fiberglass batt insulation is commonly recommended due to its effectiveness in preventing heat transfer and its ability to absorb sound. This type of insulation is available in pre-cut panels that fit easily between ceiling joists, making it relatively simple to install.
What is batt insulation?
Batt insulation consists of pre-cut, flat pieces that resemble small blankets. This type of insulation is one of the most common forms and is available in various materials, including fiberglass, mineral wool, and sheep's wool.