Air sealing services
Close the gaps around outlets, pipes, and attic penetrations that wall insulation alone cannot address.
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Serving South Pasadena, CA and surrounding areas. (626) 517-0046
Most South Pasadena homes built before 1960 have empty wall cavities. We fill them so your AC stops running all day and your rooms stay comfortable.
Wall insulation in South Pasadena slows the movement of heat through your exterior walls, keeping summer heat outside and conditioned air inside. Most jobs on a single-story Craftsman or Spanish Colonial home are completed in one day, with no need to leave your house.
If your South Pasadena home was built before 1960, there is a very good chance your walls are empty - that is simply how homes were built back then. Every warm afternoon, heat radiates through those bare cavities and right into your living rooms. Once the walls are properly filled, your air conditioner cycles less often, rooms stay cooler longer, and your energy bills reflect it from June through September.
Wall insulation is one half of a two-part solution. Pairing it with air sealing services closes the gaps that insulation alone cannot address, giving you the biggest possible improvement in comfort and efficiency.
Stand near an exterior wall on a warm South Pasadena afternoon and press your hand against it. If it feels noticeably warm, heat is pouring through with little resistance. Properly insulated walls stay closer to room temperature because the insulation is doing its job.
If your cooling costs from June through September seem high for the size of your home, poor wall insulation is one of the first things to investigate. The gap in monthly bills between an insulated and uninsulated home of the same size can be significant during peak summer months.
Insulation dampens sound as well as heat. If you can clearly hear traffic or conversations through your exterior walls with windows closed - especially near Fremont Avenue or Mission Street - your walls are likely hollow. Filled walls make a noticeable difference in how quiet your home feels.
If your home was built before 1960 and has never had insulation work done, the walls are almost certainly empty. This is not a guess - it is simply how homes were built in that era. An assessment will confirm it, but in most cases of this age you already know the answer.
For most South Pasadena homes with finished walls, blown-in dense-pack is the right choice. We drill small holes along each wall section, blow insulation material into the cavity until it is fully packed, and patch the holes - on stucco homes, we texture the patches to match the surrounding surface. The result is walls that are completely filled without opening your drywall or siding. This pairs naturally with air sealing services if gaps around outlets, pipes, or the attic floor need to be addressed at the same time.
When walls are open during a renovation, batt insulation fits between the studs before drywall goes up - a cleaner installation with no drilling required. If you are also looking at blown-in insulation for your attic or floor cavities, we can often schedule both in the same visit and reduce the total cost.
Best for finished walls where you need full coverage without opening drywall or siding.
Ideal for open-wall renovations where studs are exposed before drywall installation.
Specialized technique for South Pasadena's predominant stucco exteriors - small holes, clean patches.
Post-installation thermal camera check confirms full coverage before any holes are patched.
South Pasadena has a high concentration of Craftsman bungalows and Spanish Colonial Revival homes built before 1950. These homes were constructed before wall insulation was standard practice, meaning their wall cavities are completely empty. South Pasadena sits in California Climate Zone 9, where summer afternoons regularly push into the 90s - and an uninsulated wall acts like a slow oven, absorbing heat all day and releasing it into your living space. Homeowners in San Marino and Pasadena with similar pre-war housing stock face the same problem.
The stucco exteriors common throughout South Pasadena require a contractor who knows how to drill cleanly and patch so the repairs are invisible from the street. Parts of South Pasadena also fall within historic preservation areas - any exterior work needs to match original materials and finishes. We are familiar with both the drilling requirements and the Historic Preservation Commission process, so homeowners do not get caught off guard. For more information on energy requirements that apply to renovation work, the California Energy Commission publishes the current building efficiency standards for each climate zone.
We will ask a few basic questions - your home's age, approximate square footage, and what's prompting the call. Expect a reply within one business day. There is no cost to get a quote.
We walk the exterior and interior, check wall construction, and note access points. For stucco homes, we explain exactly how drilling and patching will be handled. You receive a written estimate with the full scope and cost.
The crew drills small holes at regular intervals, blows insulation into each cavity until fully packed, then plugs and patches every hole. On stucco homes, the patch is textured to blend with the surrounding surface. You can stay home throughout.
We verify coverage before patching - either by checking density or using a thermal camera. Once the crew is done and the area is cleaned up, we walk you through the completed work and provide any documentation you need for utility rebates.
Free estimate. Written quote. No obligation. Most jobs completed in one day.
(626) 517-0046Drilling and patching stucco is a different skill set than working on wood siding. We have completed wall insulation jobs on Craftsman bungalows and Spanish Colonial homes across the San Gabriel Valley, and our patches blend cleanly with the surrounding surface. Your home looks the same from the street when the job is done.
California requires a Contractors State License Board C-2 license to legally perform insulation work. Working with a CSLB-licensed contractor means you have a formal avenue for complaints if something goes wrong, and the work is covered by California's contractor accountability standards.
We confirm full wall coverage before closing up any holes - either by checking density or using a thermal camera to spot gaps. This is the step that separates a complete job from a guessed one. You will know the cavities are actually filled before we leave.
We know which projects require a permit from South Pasadena's Building and Safety Division and which do not. We also help homeowners navigate rebate applications from SoCalGas and Southern California Edison so you do not leave money on the table after the job is done.
Every wall insulation job we complete is backed by a written estimate, thermal verification, and documentation for any rebates you qualify for. We show up prepared, finish on schedule, and leave your home exactly as we found it - just better insulated.
Close the gaps around outlets, pipes, and attic penetrations that wall insulation alone cannot address.
Learn MoreExtend loose-fill coverage to your attic floor and floor cavities for whole-home thermal performance.
Learn MoreSouth Pasadena summers arrive fast - lock in your installation date now before the schedule fills and the heat hits.