A&L Simi Valley Insulation Services

Commercial insulation in Simi Valley CA - a building that holds its temperature

Hot offices, a cold warehouse floor or a reroof coming up? We insulate commercial roofs and walls so your tenants stop fighting the thermostat.

Request an estimate
A commercial interior with cream-colored spray foam coating the walls and ceiling around an open doorway.

What's involved in insulating a commercial building?

Commercial insulation in Simi Valley means adding insulation to the roof and walls of an office, shop or warehouse to control heat, and sometimes noise, so the space stays comfortable without the heating and cooling running all day. Most jobs fit around a reroof or remodel you already have planned, so the timing usually follows that bigger project.

Building owners usually call for one of a few reasons. The back offices bake by mid-afternoon, the warehouse floor never warms up in winter, or the roofer just told them the old roofing is coming off. The price moves with the size of the roof and walls, the material, how hard they are to reach and whether old insulation has to come out first, and the schedule mostly follows your other trades and your business hours, plus the re-entry time, the wait before people can come back inside, if we spray foam. When I walk the building I put the scope in writing, and if I can't explain why a step is there, it doesn't go on the estimate.

How we handle commercial insulation

I start by walking the roof and walls with you or your building manager, because timing matters most on a commercial job, and the best moment to insulate a roof is while it's already open for a reroof or another big project you have planned. On that walk I explain how each option handles moisture, since the wrong material in the wrong wall can hold water in the framing. Once the scope is set, we line our work up with your roofer or general contractor, pull out anything soaked or damaged so the problem doesn't stay buried, and do the air sealing, closing the gaps around pipes, ducts and openings, so the new insulation isn't fighting a draft. Then our crew installs it with the vents kept clear, and I look over the work before we finish.

Moisture is the other half of most commercial jobs. If part of your building sits over a crawl space, a crawl space vapor barrier keeps ground moisture from soaking into the floor insulation above it, and where a slab, ceiling or wall needs a layer to keep damp out, we handle vapor barrier installation on the same project.

  • Rigid board on top of the roof deck

    This suits a building getting a new roof, because the boards go down on the deck right before the new roofing goes over them. It adds thickness up top, so it works best when the roofer and our crew plan the job together.

  • Spray foam under the roof deck

    Closed-cell foam, a dense foam that blocks moisture, seals air and insulates in one pass, which helps most in metal buildings or where ductwork runs through the roof space. It costs more than board or loose fill, so I'll only suggest it where those leaks and ducts make it worth it.

What shapes commercial insulation in Simi Valley

California's Energy Code roof rules come into play once the work covers 50 percent or more of a commercial roof, or more than 2,000 square feet, whichever is less. That means a small repair usually falls outside them, while a full reroof falls inside, so the size of your roof job decides which rules your insulation has to meet. The state also splits California into climate zones, and the insulation standards depend on the zone your building sits in. In Simi Valley, the city's Building and Safety Division reviews plans and inspects projects against those state minimums, and its front counter at (805) 583-6723 is the place to ask code questions about your building. I check which rules apply to your roof before anything gets ordered.

Summers here run hot, and a lot of the low-slope roofs over offices and warehouses let that heat come straight through the deck. We're based in Simi Valley and see the same kind of buildings on jobs in Moorpark and Thousand Oaks, and we work across Ventura County and the nearby parts of Los Angeles County, so if you're not sure we cover your city, just ask.

Get a written insulation scope for your building

We reply to every call and message within one business day. After you send this, I'll set a time to walk your roof and walls with you, and the estimate is free, on site and comes with no obligation.

(805) 261-5026

Commercial insulation questions from Simi Valley owners

How much does commercial insulation cost in Simi Valley?

The cost comes down to your building's square footage, the material and how hard the roof and walls are to reach, so I price it after walking the building. Foam usually runs higher than board or loose fill, and doing the roof during a reroof you already planned usually keeps the cost down because nobody pays to open and close the deck twice. After the walk you get the scope and the figure in writing.

When is the best time to insulate a commercial roof?

Usually during a roof replacement or major roof repair, while the deck is already open. A New York City retrofit guide for building owners makes the same call, because air sealing and insulating a roof take real money and fit best into a reroof. If insulation goes on top of the deck, roof access doors and the flashing, the metal that seals the roof edges, may need to be raised to fit the extra thickness, so ask whether each quote covers that.

What is the best way to insulate exterior walls on a commercial building?

Pick a material that still lets the wall dry, and ask any contractor how their choice handles moisture. One insulation maker's guide says insulation that blocks vapor can limit a wall's drying and cause moisture problems, while insulation that lets vapor through lets the wall dry outward. On the walk I'll show you which kind fits your walls and why.

Who is licensed to do insulation work in California?

California's Contractors State License Board licenses this work under its C-2 Insulation and Acoustical Contractor class. That class covers insulation for temperature and ready-made acoustical materials for sound, so whoever you hire for a commercial job should hold it.

How do I get funding help for adding insulation to my business in Ventura County?

Look at 3C-REN's Commercial Energy Savings program, which offers incentive funding to small and medium businesses for upgrades such as adding insulation. The program serves San Luis Obispo, Santa Barbara and Ventura Counties, so check your eligibility with the program directly before you count on it.

Is spray foam insulation safe in a commercial building?

It can be, as long as it's treated as a material that can burn. A polyurethane foam industry guide says all organic foam insulation, with or without fire retardants, should be considered combustible and handled that way. On the walk we'll talk through where foam makes sense in your building and where board or another material fits better.

Book a building walk in Simi Valley

Have your roof size, any planned reroof date and the walls you want insulated handy when you call (805) 261-5026, and I can come out ready to talk options.

(805) 261-5026
(805) 261-5026Request an estimate