Alliance Room Addition & ADU Contractors

Jasmine V 

on Google

3 days ago

I met with Landon to talk about adding more insulation in my attic since there wasn’t enough. Landon did a thorough inspection and suggested air sealing, putting in larger soffit vents, and installing new baffles. Everything was finished on time, and Landon made sure each step was done right. I highly recommend this insulation contractor because they went above and beyond what I expected. Being in the construction field myself, I really appreciated how clearly the whole process was explained and how well everything was done. 

krista branch 

on Google

a month ago

Nolan and his crew removed the old insulation from my attic and put in new insulation. They also sanitized the space, sealed up the house to keep rodents out, and replaced old ducts and vent boots with new ones. Nolan came out to give me an estimate, and even though there were cheaper quotes, I’m happy I chose them because they took their time and made sure the job was done right. Nolan was quick to respond and could be there with his team whenever I had questions. He explained everything clearly and was very patient and hel... read more

Peggy Gill 

on Google

2 months ago

we hired this company to add insulation to our attic and replace a couple of bathroom fans. earl, the installer, did a great job with the fan and was very careful with our home. after some conversations about the work, they quickly made sure everything was installed properly and we were charged exactly what we expected. they were also flexible with scheduling and called ahead to confirm appointments. earl arrived prepared and worked efficiently, making sure our insulation and fans were done right. i'm very happy with the rel... read more

kathryn cole 

on Google

2 months ago

We had a great experience with the insulation contractor in Atherton. Jamie and the team installed the correct insulation materials according to code, and made sure to include the necessary styrofoam ventilation baffles. Their work easily passed inspection, which helped keep our project on schedule for drywall, painting, and flooring. They were always available to answer our questions, provided clear receipts for materials, and communicated well throughout the entire process. We are very happy with the quality of their insul... read more

Samantha S 

on Google

3 months ago

We initially hired Alliance Room Addition & ADU Contractors when we purchased an older home. They blew in insulation in specific areas, and now our home stays warm during winter and cool in summer, even with a less-than-great furnace. This has saved us a significant amount on energy bills over the years, so we brought them back to add insulation to a new addition we built. Most recently, they added spray foam in the ceiling above my drum studio. While it can be a bit pricey, it's the best option for sound insulation in a hom... read more