Insulation Contractor in California

RC Construction specializes in professional insulation services such as attic, crawl-space, and wall insulation using spray foam, fiberglass batts, and radiant barriers. Our team ensures precise removal and installation to eliminate drafts, control moisture, and slash your energy costs.

Our Insulation Services

Comfort • Efficiency • Durability

We help your home stay warm in winter, cool in summer, and save you money on energy bills.

Attic Insulation
We start by checking your attic’s current insulation levels and sealing any cracks or holes. Then we spray closed-cell foam into rafter bays to block drafts, blow in cellulose to fill old cavities, and lay fiberglass batts where there is new framing. This layered approach stops warm air from rising out of your home in winter and keeps hot air from baking your ceilings in summer.
Wall & Rim-Joist Insulation
Next, we focus on your walls and rim joists – the edges where your floor meets the outside. We inject open-cell foam into wall studs to fill every gap and use dense-pack cellulose to pack the rest tight. We seal the rim joist area with foam and weather-grade tape so no air leaks in or out. You’ll notice fewer drafts near baseboards and more even temperatures room to room.
Crawl-Space & Basement Insulation
We treat crawl spaces and basements as key zones for heat loss and moisture buildup. Our crew applies spray foam to walls and band joists, rolls out heavy-duty vapor barriers on the floor, and fits insulated batts under the subfloor. This stops damp air from rising into your living spaces, protects wood framing from rot, and keeps cold floors from chilling the rooms above.
Radiant Barriers & Reflective Foils
To fight California’s hot sun, we install reflective foil or foil-faced panels on your roof deck and attic floor. These radiant barriers bounce up to 97% of direct heat away before it even warms your attic. When combined with good ventilation, they dramatically cut heat gain in summer months, so your home stays cooler without overworking the air conditioner.
Insulation Removal & Retrofits
Finally, we safely remove old or contaminated insulation using protective equipment and proper disposal methods. We clear out mold, dust, and pests before installing new materials that meet or exceed current R-value standards. This refresh not only boosts energy savings but also improves indoor air quality for a healthier home.

Our Insulation Process

1. Comprehensive Assessment

Thermal imaging and blower-door tests pinpoint leaks and weak spots.

2. Customized Plan & Estimate

Detailed scope outlining materials, R-values, and labor.

3. Prep & Air Sealing

Seal penetrations, gaps, and duct connections to maximize insulation effectiveness.

4. Professional Installation

Certified technicians follow strict safety protocols and manufacturer guidelines.

5. Quality Assurance & Testing

Post-installation blower-door retest and client walkthrough to confirm results.

Benefits of Professional Insulation

Start enjoying a cozier home and smaller bills with these key advantages.

Lower Utility Bills - Good insulation keeps warm air inside during winter and blocks heat in summer. You save up to 30% on your heating and cooling costs, putting more money back in your pocket each month.
Improved Comfort - Insulation stops drafts and keeps temperatures even from room to room. You’ll feel snug in the cold months and comfortably cool when it’s hot outside—no more shivering or sweating in different corners of your home.
Enhanced Indoor Air Quality - By sealing cracks and gaps, insulation blocks dust, pollen, and outdoor pollutants from sneaking in. You breathe cleaner air inside, which can help reduce allergy symptoms and keep your family healthier.
Extended Roof & HVAC Life - When your home holds temperature better, your heating and cooling system works less hard. That reduces wear and tear on your HVAC unit and prevents moisture damage in your attic, helping both your roof and equipment last longer.

Get Quote

Schedule an Insulation Assessment!

424-600-7710

Call us today for a free inspection. We’ll show up, scope out your remodel or repair needs – roof, walls, kitchen, whatever, and give you a clear, line-by-line estimate with zero pressure and no hidden fees.

Our Construction & Remodelling Services

Forget the horror stories of contractors who vanish after taking your deposit. At RC Construction, we arrive on time, work transparently, and complete every task to the highest standard. We’re fully licensed and insured, so your project stays on track and protected. Below, discover the services we offer: