Weaver Roofing Inc
Services
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About the C-2 — Insulation & Acoustical License
The C-2 Insulation and Acoustical contractor license covers the installation of insulating and acoustical materials for thermal, sound, and fire protection purposes. This includes installing insulation in walls, attics, and crawl spaces, as well as acoustical ceiling tiles and soundproofing systems. With California's strict energy efficiency requirements (Title 24), C-2 contractors play a vital role in helping homes and businesses meet building codes and reduce energy costs. Proper insulation can significantly lower heating and cooling bills while improving indoor comfort. When hiring a C-2 contractor, ask about R-value recommendations for your climate zone, the types of insulation materials they use, and whether they perform energy audits. Quality insulation work is one of the best investments homeowners can make for long-term energy savings.
About the C39 — C39 License
A C39 (C39) licensed contractor in California is authorized to perform specialized work in their trade area. California's Contractors State License Board (CSLB) requires contractors in this classification to meet education, experience, and examination requirements before receiving their license. When hiring a C39 contractor, always verify their license is active and in CLEAR status, confirm they carry adequate insurance, and get a detailed written contract before work begins. Licensed contractors must maintain a $25,000 contractor bond and comply with all applicable building codes and regulations.
💡 Tips for Hiring a Insulation & Acoustical Contractor
- Ask about the recommended R-value for your area and climate zone
- Inquire about different insulation materials and their pros and cons
- Request an energy audit before starting insulation work
- Verify the contractor follows California Title 24 energy requirements
- Ask about rebates or incentives for energy efficiency upgrades
✅ Verify This License
Always verify contractor licensing directly with the Contractors State License Board (CSLB) before hiring. You can look up license #993752 to confirm it is active and check for any complaints or disciplinary actions.
Check on CSLB.ca.gov →🏢 Are you Weaver Roofing Inc?
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Claim This Page →Frequently Asked Questions
What does a C-2 Insulation & Acoustical license cover?
A C-2 license covers the installation of thermal insulation, acoustical materials, soundproofing, and fireproofing insulation in residential and commercial buildings. This includes blown-in, spray foam, batt, and rigid insulation.
How much can insulation save on energy bills?
Proper insulation can reduce heating and cooling costs by 20-40% depending on your current insulation levels, climate zone, and home construction. Many California utility companies offer rebates for insulation upgrades.
Do I need a licensed C39 contractor in California?
Yes. California law requires a licensed contractor for any c39 work valued at $500 or more. Licensed contractors must pass exams, maintain bonding, and carry insurance. Hiring unlicensed contractors puts you at risk.
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