Guillermo and team were excellent at helping us replace our 50 years old blown-in cellulose insulation, install radiant barrier, rodent protection, air sealing, mineral wool R30 insulation, ductwork insulation and crawlspace encapsulation.
We selected Attic Efficiency out of 6 competitive bids. Not only did they have the best prices but also best character and traits of a tradesman; not a just a salesman.
The attic and crawlspace are critical spaces of a home and the goal is to ensure a high quality passive systems that protects your home from thermal/moisture/rodents/pest etc. Guillermo & Team understands the safety and importance of each layer and chain of the system to work effective and efficiency.
Stage 1: Thoroughly vacuum the old insulation, which was ~5 bags full of blown in degraded insulation. Foam seal the air gaps and prep the attic.
Stage 2: Radiant Barrier: Reflects the heat from the Sun. They used the right micro-perforated aluminum foil and installed it correctly leaving gaps at the ridge vents and soffits for air to flow up and out of the attic. They didn't use the bubble type wrap, which is for thermal insulation on ducts. Some installers use the wrong products or installed incorrectly without proper airflow through the soffits/roof vents.
Stage 3: 1800 sqft of Rockwool Comfortbatt R30 24" spacing. We worked with Attic Efficiency to have Lowes deliver 61 bags on site. Currently Lowes is having a big sale on Mineral Wool at this size. With the federal rebates, mineral wool batting is cheaper than fiberglass and has superior qualities above and beyond fiberglass. Do some research, mineral wool is a great attic insulation product. The only cons is the price. But they can go on sale from time to time. They even added insulation wrapped in radiant barrier on the the attic access door panel. Once again they did a great job cutting and made quality fits on the attic floor, without compressing the batt or blocking the soffits.
Stage 4: Clear Crawlspace and clean ductwork and insulate the the ductwork and retape and seal the transitions to the floor grilles.
Stage 5: Encapsulate the crawlspace with 20mill vapor barrier and rodent proof the crawlspace vents. They double check everything and encapsulate the vapor barrier up the foundation walls and footings.
Cleanup and double checking. I like that they double check and test things before leaving and makes sure the customer is happy with the end product.
I encourage homeowners invest into to a complete system that allows you to live in a healthy, safe and energy efficient for many years. There is no point in doing 1/2 a system or partial. Just throwing up any kind and whatever insulation that is the cheapest or taping thin vapor barrier is not going to be effective in todays' climate change: Hotter summers and wetter and colder winters.
Also the team are fun to work and collaborate with. Their character is A++++ read more