Why Professional Attic Insulation Outperforms DIY
Custom Contracting uses advanced materials and proven techniques that deliver measurable results. See how professional-grade insulation compares to standard options.
Insulation Performance Comparison
| Performance Metric | Our Premium System | Standard Contractor | DIY Installation | No Insulation |
|---|---|---|---|---|
| R-Value Achieved | R-50 to R-60 | R-30 to R-40 | R-20 to R-30 | R-8 to R-12 |
| Energy Savings | 40-50% | 25-35% | 15-25% | Baseline |
| Air Sealing Quality | Complete Seal | Partial | Minimal | None |
| Coverage Consistency | 100% Uniform | 85-90% | 70-80% | N/A |
| Ventilation Maintained | Engineered Baffles | Basic Baffles | Often Blocked | No Issue |
| Warranty Coverage | Lifetime | 1-5 Years | None | N/A |
| Government Rebates | We Handle All | Varies | Your Responsibility | N/A |
| Average ROI Period | 2-3 Years | 4-6 Years | 6-10 Years | Never |
Complete Attic System View
Multi-Layer Construction
Ventilation Flow Design
Our Professional Advantage
Complete Air Sealing First
We seal all attic bypasses, gaps, and penetrations before installing insulation for maximum efficiency
Proper Ventilation Design
Engineered baffle systems ensure continuous airflow from soffit to ridge, preventing moisture and ice dams
Uniform Coverage Technology
Commercial-grade equipment ensures consistent R-value across every square inch of your attic
Safety & Code Compliance
All installations meet or exceed Ontario Building Code requirements with proper clearances around heat sources
The Science of Insulation
London's extreme temperature swings demand more than basic insulation. Our multi-layer approach combines air sealing, ventilation management, and high-density insulation to create a complete thermal envelope that performs year-round.
🏆 Ontario's Insulation Experts
Custom Contracting has insulated over 15,000 Ontario attics. Our crews are trained in building science principles, ensuring your insulation system works as an integrated part of your home's envelope.
See How Insulation Works
🌡️ Thermal Imaging Comparison
See the dramatic temperature difference with thermal imaging
🔥 Heat Flow Visualization
Watch how proper insulation stops heat transfer
⚙️ Step-by-Step Installation Process
Watch how our professional crews transform your attic
