
Serving Oakley, CA and surrounding areas
Approved
In business since 2019
Free estimates
Offers commercial services
"Very professional team. Provided clear options for my small insulation project of my shed."


Serving Oakley, CA and surrounding areas
Approved
In business since 2019
Free estimates
Offers commercial services
"Very professional team. Provided clear options for my small insulation project of my shed."

Serving Oakley, CA and surrounding areas
Approved
In business since 2016
Free estimates
Warranties offered
"ThermaCore Insulation did a great job from start to finish. They removed our old insulation, installed new insulation, completed sanitation, and did rodent proofing as well. The crew was professional, respectful, and explained everything clearly. Overall, I’m very happy with the service and would recommend them to anyone needing insulation or attic work."





+28

Serving Oakley, CA and surrounding areas
Approved
In business since 2003
Free estimates
Emergency services offered
"I love this company! Garrett came to my home and assessed how efficient our current insulation, etc was. He was very informative and friendly — explained what we needed and how they could help. At the time, I decided to hold off and he never pushed the sale. When I was ready, he was quick to accommodate my schedule. His team: Angel, Luis, Tommy and TJ were great! They arrived early, were professional, courteous, kind, very helpful with my questions and were above and beyond to help fix things that I wasn’t even aware of. They also were more than happy to help with small problems that I had no idea how to fix. They worked quickly and cleaned up afterwards. You could tell they cared about their work which makes me feel confident that the job was done right. They were also fun to have around — my Great Dane loved them too! Garrett and Dave checked in with me during and afterwards to make sure things were going well and if I had any questions. I highly recommend Eagle Shield."





+9

Serving Oakley, CA and surrounding areas
Approved
Free estimates
Warranties offered
Customers say: True professional
"Remove old insulation seal to entry point to make sure no rodents activity and install new insulation"


Serving Oakley, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2012
Free estimates
Small jobs welcome
"Melesio and his team did an excellent job removing old insulation/cleaning, rodent proofing/sealing, and installing new insulation all in one day."





+3137

Serving Oakley, CA and surrounding areas
Approved
In business since 2024
Free estimates
Credit card accepted
CA Attic Solutions\nAt CA Attic Solutions, we are dedicated to providing top-notch insulation solutions that enhance your homes comfort, efficiency, and overall quality of life. Founded on the principles of excellence, integrity, and customer satisfaction, we have built a reputation for delivering reliable, high-performance services tailored to meet your unique needs. \n\nWe are committed to offering exceptional service, using the latest technology and highest-quality materials to ensure that your home remains comfortable and efficient throughout the year.\n\nhttps://californiaatticsolutions.com/


Serving Oakley, CA and surrounding areas
Approved
In business since 2013
Free estimates
Credit card accepted
At Hawx Pest Control, our company is based on the belief that our customers' needs are of the utmost importance. Our team is committed to meeting those needs. Hawx Premium Pest Control will treat your pests, mosquitos, and more- then keep them away for good. If pests come back between treatments so will we, at no additional cost to you. We welcome the opportunity to earn your trust and deliver you the best service. No job is too big or too small for our experienced team. Call today for a quote. \n

Serving Oakley, CA and surrounding areas
Approved
Free estimates
Emergency services offered
Warranties offered
"American Attic was everything they promised. Met with the owner , Sam, within a day to get a quote for removal of old insulation, rodent control and install of new insulation. He was professional and explained everything in detail of what was work was going to be done and how long it would take. We scheduled within a week at a reasonable price. His crew were neat, organized and finished on time! We were notified of some extra things that were found while they were on the job but were not pressured to have those things done. We recommend American Attic to friends or family and would definitely use them again."





+52

Serving Oakley, CA and surrounding areas
Approved
In business since 2018
Free estimates
Warranties offered
"wilson and his team arrived at 9am the early side of the window provided. He quickly started his set up began what would turn out to be a long day for his team. Provide clean out of old existing insulation, sanitized attic and sealed and prepped for attic fan and new insulation. Wilson and his team took pictures of all stages of work. Cleaned left area as if they never had been there."





+3

Serving Oakley, CA and surrounding areas
Approved
In business since 2017
Free estimates
Warranties offered
"When Insulation Alliance came, they were very professional. They laid down plastic everywhere in the hallway and the bedroom. They cleaned out the whole attic. They took out the old insulation and put in the new Insulation which was R 44. They cleaned up everything and everything was clean when they left. They also sanitized the attic. You will not be disappointed that you hired."





+86
Old insulation should be removed when it shows damage, contamination, or heavy deterioration. If you notice water stains, rodent droppings, mold, or large gaps, plan on taking it out to protect your home’s energy performance and indoor air quality. Removing compromised material eliminates health hazards, cuts energy loss, and sets the stage for a safer, more efficient attic—all while keeping utility bills in check.
R-value measures how well insulation resists heat flow—the higher the number, the better it slows heat transfer. The right R-value keeps your home warmer in winter and cooler in summer, saving energy year-round. Match the rating to your climate zone and have a pro verify performance over time, because moisture or settling can lower R-value and cut efficiency.
Attic insulation can stay in place for 80 to 100 years, but its performance often drops after the first 15. As dust, moisture, or mold build up, the material loses R-value and allows heat to escape. Schedule periodic inspections so a pro can tell you when replacement makes sense—helping you keep energy bills down and indoor comfort up.
You can over-insulate an attic. Beyond the recommended R-value, extra layers don’t add efficiency and can trap moisture, leading to mold or reduced performance. A local insulation pro can measure current levels, confirm the right target for your climate, and advise on any adjustments so you avoid future energy or maintenance headaches.
Insulation can be damaged by mold, pests, water leaks, or accidental electrical contact. When the material is compromised, it loses R-value and can introduce health hazards. Removing and replacing affected sections restores efficiency, while routine inspections from a qualified pro help you catch problems early and keep your attic safe and energy-smart.
From average costs to expert advice, get all the answers you need to get your job done.

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