Insulation in Rancho Palos Verdes, CA
Spray foam insulation in Rancho Palos Verdes does something no fiberglass batt ever could here: it seals the marine-layer moisture out of wall cavities while insulating. Most homes on the peninsula were built between 1955 and 1980 with no modern vapor barrier, and the persistent coastal fog that stalls over RPV pushes humid air into attics and behind stucco facades year-round. That combination is exactly why closed-cell and open-cell spray foam are the upgrades homeowners call us about most. If you’re noticing cold walls, musty attic smells, or a heating bill that never seems to drop, call Walt’s Insulation at (424) 955-2557. We’ll send a background-checked, uniformed technician to diagnose what’s actually happening inside your walls.
Why Rancho Palos Verdes Homes Are Different
Rancho Palos Verdes sits on a peninsula that traps the marine layer more persistently than nearly any other community in the LA Basin. Homes here face near-constant salt-laden, humidity-saturated coastal fog, even on afternoons that look sunny from Palos Verdes Drive. The result is that moisture infiltration, not thermal comfort, is the dominant insulation failure mode in Rancho Palos Verdes. Original fiberglass batts in 1960s and 70s ranch homes quietly accumulate moisture behind stucco facades, and over 25 years that translates to sagging batts, mold stains on sheathing, and wood that’s slowly degrading out of sight.
In the Portuguese Bend and Abalone Cove neighborhoods, there’s another layer to the problem. These areas sit atop one of the largest active landslide complexes in the continental US. Decades of slow ground movement physically displace batt insulation inside wall cavities and push attic insulation away from eave edges. The gaps left behind create invisible air-bypass channels that no added R-value will fix until the shifted material is re-seated and air-sealed. That’s a Rancho Palos Verdes-specific condition, and it changes the order of operations on almost every job we do there.
Our Main Rancho Palos Verdes Services
Two services dominate the calls we take from Rancho Palos Verdes homeowners. Both jobs solve the peninsula’s core problem: moisture and air movement, not just missing R-value.
Attic Insulation in Rancho Palos Verdes
Attic insulation in Rancho Palos Verdes has to handle humidity first and temperature second. Most peninsula attics we enter have compressed or displaced fiberglass batts from the original build, and the persistent fog means any air leak carries moisture straight into the insulation. We re-seat, air-seal, and bring attics to current code levels using blown-in or batt products from manufacturers like Owens Corning and CertainTeed. This is the single most common call we take from homes off Crest Road and along the interior canyons. Learn more on our dedicated page: Attic Insulation in Rancho Palos Verdes.
Crawl Space Encapsulation & Vapor Barrier in Rancho Palos Verdes
Sloped hillside lots in Rancho Palos Verdes create a lot of crawl spaces, and every one of them pulls damp air up into the house. The peninsula’s chronically high relative humidity makes exposed dirt floors into evaporation engines, feeding musty smells and condensation into the subfloor. We install heavy-gauge vapor barriers and full encapsulation systems that stop that moisture at the source. For bluff-top and canyon-side homes this is often the highest-impact single change on indoor air quality. See the full breakdown: Crawl Space Encapsulation & Vapor Barrier in Rancho Palos Verdes.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Spray Foam Insulation in Rancho Palos Verdes
Spray foam insulation in Rancho Palos Verdes addresses the peninsula’s defining problem in a single pass: it insulates and air-seals simultaneously, forming a moisture-resistant air barrier that fiberglass simply cannot match. In homes built between 1955 and 1980 without modern vapor barriers, foam is the most reliable defense against the marine layer’s constant humidity. Whether it’s open-cell for sound and thermal control or closed-cell for maximum moisture resistance against stucco sheathing, we install products from Icynene and other proven manufacturers. This is our most requested Spray Foam Insulation upgrade on the peninsula.
Open-Cell Spray Foam
Signs you need it
Humid upstairs rooms in summer, noise traveling between floors, and high cooling bills even though RPV rarely breaks 80°F point to missing or failing ceiling-plane insulation.
What it costs in Rancho Palos Verdes
Open-cell foam runs $2.50 to $4.50 per board foot installed, with a typical RPV attic running $4,800 to $9,500 depending on roof pitch and access.
How we do it
We prep the attic, mask off soffits, spray to the specified depth, let it cure, and verify coverage with a blower door test on request.
Closed-Cell Spray Foam
Signs you need it
Condensation on sheathing, mold staining behind knee walls, or structural dampness in bluff-top homes means you need the vapor-blocking performance only closed-cell provides.
What it costs in Rancho Palos Verdes
Closed-cell foam in Rancho Palos Verdes runs $3.50 to $6.50 per board foot, with full wall cavity retrofits on 1,500 to 2,500 square foot homes typically costing $9,500 to $18,000.
How we do it
We seal and air-seal the target area, spray 1 to 2 inches for vapor control or full depth for structural value, then trim and verify the finished depth.
Rim Joist Spray Foam
Signs you need it
Cold floors at the exterior walls and a musty crawl space smell are classic signs that rim joists are leaking air and moisture into the conditioned envelope.
What it costs in Rancho Palos Verdes
Sealing and insulating rim joists in a typical RPV home runs $2,500 to $5,500, with hillside pier-and-beam homes on the higher end due to access constraints.
How we do it
We clean each joist bay, spray foam to the required depth, and verify continuous contact across all perimeter rim boards.
What Spray Foam Insulation Costs in Rancho Palos Verdes
| Item | Typical range in Rancho Palos Verdes |
|---|---|
| Open-cell foam (per board foot) | $2.50 - $4.50 |
| Closed-cell foam (per board foot) | $3.50 - $6.50 |
| Full attic spray foam project | $4,800 - $9,500 |
Is closed-cell spray foam worth the extra cost in Rancho Palos Verdes?
Yes, for exterior walls and bluff-top homes, because closed-cell acts as both insulation and vapor barrier, which fiberglass cannot do - that moisture-blocking layer matters more here than almost anywhere in LA County.
Can you spray foam an attic with the old insulation still in place?
No. We remove the old material first, air-seal the framing, then spray. Foam over degraded fiberglass traps moisture that the peninsula’s fog already pushes into the attic.
Blown-In Insulation in Rancho Palos Verdes
Blown-in insulation in Rancho Palos Verdes is the fastest, cleanest way to bring a 1960s or 70s ranch attic up to current efficiency without tearing anything apart. The peninsula’s mild thermal profile means most homes don’t need extreme R-values; they need complete, gap-free coverage that stops humid air from condensing against the ceiling plane. Blown-in fiberglass and cellulose both do that well when applied over a properly air-sealed attic floor. This is our most common Blown-In Insulation job for one-story homes throughout Rancho Palos Verdes.
Blown-In Fiberglass
Signs you need it
Uneven attic coverage with peaks and bare spots, or fiberglass batts that have absorbed moisture and now sit below the top plates, means it’s time to blow in fresh material.
What it costs in Rancho Palos Verdes
Blown-in fiberglass for an average RPV attic runs $2,800 to $5,500 depending on attic size and target R-value.
How we do it
We air-seal penetrations, mark depth using labeled rulers, blow fiberglass to the specified depth, and leave the job site clean the same day.
Blown-In Cellulose
Signs you need it
Homes with active rodent droppings in the attic or old blown-in material that’s compressed below code should consider cellulose, which packs tighter and resists air movement better.
What it costs in Rancho Palos Verdes
Dense-pack cellulose for attic floors in Rancho Palos Verdes typically runs $3,000 to $6,000, with sloped ceiling bays adding cost for mesh netting and labor.
How we do it
We remove or treat contaminated areas first, then blow cellulose to the target density using calibrated equipment and verify the R-value by depth.
What Blown-In Insulation Costs in Rancho Palos Verdes
| Item | Typical range in Rancho Palos Verdes |
|---|---|
| Blown-in fiberglass attic | $2,800 - $5,500 |
| Blown-in cellulose attic | $3,000 - $6,000 |
| Dense-pack wall cavities | $3,500 - $7,000 |
Will blown-in insulation help with the fog moisture in my RPV attic?
Yes, when combined with air sealing. Blown-in material fills the gaps that let humid marine-layer air condense on framing; sealing first is what stops the moisture at its source.
How long does blown-in insulation hold its R-value?
Blown-in fiberglass and cellulose hold their R-value for decades, unless moisture compresses them. In Rancho Palos Verdes, the marine layer makes air-sealing critical to protecting that performance long term.
Radiant Barrier Installation in Rancho Palos Verdes
Radiant barrier in Rancho Palos Verdes is not a substitute for insulation, but it is a useful complement on the peninsula’s west-facing roofs that catch direct afternoon sun even under the marine layer. The reflective foil slows radiant heat transfer from the roof deck into the attic, which keeps the ceilings below more stable on the warmest days. In RPV’s mild climate that means better summer comfort without raising the thermostat. We install Radiant Barrier Installation products in attics throughout Rancho Palos Verdes, including complex cathedral-ceiling homes on bluff lots.
Attic Radiant Barrier
Signs you need it
Second-floor rooms that bake on warm afternoons while the rest of the house stays mild, or an attic that reads 130°F or hotter on a sunny day, suggest a radiant heat problem.
What it costs in Rancho Palos Verdes
Radiant barrier stapled to the underside of roof rafters in a standard RPV attic runs $1,800 to $3,800 depending on roof area.
How we do it
We clean the attic, staple the foil to the rafter undersides with an air gap for reflectivity, and make sure existing ventilation stays fully operational.
Radiant Barrier Roof Deck
Signs you need it
Homes with dark roofing and minimal attic insulation, or rooms with vaulted ceilings that heat up fast, benefit from deck-installed radiant barrier products.
What it costs in Rancho Palos Verdes
Deck-installed radiant barrier during a re-roof in Rancho Palos Verdes runs $1,500 to $3,200; retrofits inside an existing attic run on the lower end.
How we do it
We lay the barrier over the roof deck before new roofing, or install it from inside by anchoring to the deck with proper clearance below the shingles.
What Radiant Barrier Installation Costs in Rancho Palos Verdes
| Item | Typical range in Rancho Palos Verdes |
|---|---|
| Attic rafter radiant barrier | $1,800 - $3,800 |
| Roof deck radiant barrier | $1,500 - $3,200 |
| Combined with attic air sealing | $3,000 - $5,500 |
Is radiant barrier enough on its own in Rancho Palos Verdes?
For the peninsula’s mild temperatures, sometimes yes, but it cannot stop the marine-layer moisture that drives the area’s biggest insulation failure mode. Pair it with air sealing for complete protection.
Does radiant barrier help with humidity or just heat?
Radiant barrier only reflects radiant heat; it does not block moisture or air movement. In Rancho Palos Verdes we typically recommend it alongside sealing rather than as a standalone fix.
Insulation Removal & Replacement in Rancho Palos Verdes
Insulation removal and replacement in Rancho Palos Verdes usually starts because the original fiberglass has absorbed years of marine-layer moisture and stopped doing its job. Homes built between 1955 and 1980 often have batts that are now compressed, stained, or matted with rodent droppings that carry health concerns. Removal clears the slate so we can air-seal properly and install modern material that matches the peninsula’s humidity-driven demands. See the full process on our Insulation Removal & Replacement page.
Attic Insulation Removal
Signs you need it
Visible moisture staining at the ceiling, reduced insulation depth, rodent activity, or a persistent musty smell from the attic hatch all signal that the old material needs to come out.
What it costs in Rancho Palos Verdes
Full attic insulation removal for a typical RPV ranch home runs $2,500 to $5,000, with hillside access or steep roof pitches pushing to the higher end.
How we do it
We run a commercial vacuum to the truck, remove all loose and batt material down to decking, then clean and prep the space for new insulation.
Contaminated Insulation Removal
Signs you need it
Droppings, nesting material, or urine staining on batts means the insulation is contaminated and should be removed before any air-sealing or replacement work begins.
What it costs in Rancho Palos Verdes
Contaminated material removal with sanitizing in Rancho Palos Verdes runs $3,500 to $7,000 depending on attic size and extent of contamination.
How we do it
We remove all contaminated fiber, HEPA-vacuum the deck, apply an enzyme sanitizer, and rodent-proof entry points before installing fresh insulation.
What Insulation Removal & Replacement Costs in Rancho Palos Verdes
| Item | Typical range in Rancho Palos Verdes |
|---|---|
| Attic insulation removal | $2,500 - $5,000 |
| Contaminated removal & sanitizing | $3,500 - $7,000 |
| Removal plus new blown-in insulation | $5,000 - $9,500 |
Can you remove insulation the same week you install replacement?
Usually yes. We schedule removal on day one, air-seal and prep on day two, and install the new material the following day, so most Rancho Palos Verdes attics are done within 48 hours.
Is contaminated insulation a health risk?
Rodent-contaminated insulation can carry allergens, bacteria, and parasites. In Rancho Palos Verdes, where old attics often go years without inspection, we recommend professional removal rather than DIY cleanup.
Attic Air Sealing in Rancho Palos Verdes
Attic air sealing in Rancho Palos Verdes is the highest-impact single upgrade for homes where the marine layer pushes humid air into the attic through every gap and penetration. In ranch homes built between 1955 and 1980, the top plates, can lights, and duct boots are typically unsealed, which means humid ocean air flows straight from the house into the attic all year. Sealing those pathways stops condensation, mold, and moisture damage before they start. Read more on our Attic Air Sealing page.
Attic Floor Air Sealing
Signs you need it
Cold spots at the ceiling, dust streaks on insulation, and high indoor humidity despite a running dehumidifier indicate air leaking through the attic floor.
What it costs in Rancho Palos Verdes
Full attic floor air sealing in a standard RPV attic runs $1,500 to $3,500 depending on attic size and penetration count.
How we do it
We remove or move aside existing insulation, seal every penetration with foam or caulk, then re-install or top up the insulation to code.
Can Light & Duct Boot Sealing
Signs you need it
Flickering insulation dust around recessed lights, or warm air at the ceiling around fixtures, means the can housings and duct boots are leaking conditioned air.
What it costs in Rancho Palos Verdes
Sealing duct boots and can lights in Rancho Palos Verdes runs $900 to $2,200 as a standalone job, or less when combined with a full attic seal.
How we do it
We seal each light housing with approved fire-rated covers, foam the duct boot connections, and verify airflow before closing the attic.
What Attic Air Sealing Costs in Rancho Palos Verdes
| Item | Typical range in Rancho Palos Verdes |
|---|---|
| Attic floor air sealing | $1,500 - $3,500 |
| Can light & duct boot sealing | $900 - $2,200 |
| Full seal plus blown-in upgrade | $4,000 - $8,000 |
Why is air sealing more important than added R-value in Rancho Palos Verdes?
Because the peninsula’s dominant problem is humid air movement, not heat transfer. Sealing stops moisture at its source; added insulation alone cannot block that migration.
Can I air-seal my attic myself?
We don’t recommend it. Crawling an attic and sealing penetrations without proper safety gear or knowledge of fire-rated materials is risky, and improperly sealed can lights create fire hazards. Call a professional.
Wall Insulation in Rancho Palos Verdes
Wall insulation in Rancho Palos Verdes matters because most 1960s and 70s ranch homes on the peninsula were built with either no wall insulation or thin fiberglass batts that have since settled and absorbed moisture. The marine layer’s persistent humidity makes wall cavities the hidden condensation point, especially behind west-facing stucco. Injection and drill-and-fill methods let us retrofit without tearing out drywall. Visit our Wall Insulation page for the full breakdown.
Injection Foam Wall Insulation
Signs you need it
Rooms along exterior walls that feel clammy, paint that peels below stucco lines, or energy bills that climb in a mild climate suggest empty or wet wall cavities.
What it costs in Rancho Palos Verdes
Injection foam wall insulation for a 1,200 to 1,800 square foot RPV ranch runs $6,000 to $12,000 depending on wall area and number of stories.
How we do it
We drill small access holes to the stud bays, inject foam to the specified density, then patch the holes for a near-invisible finish.
Interior Wall Soundproofing
Signs you need it
Street noise from Palos Verdes Drive or loud rooms that bleed into bedrooms are the usual reasons homeowners call us for interior soundproofing.
What it costs in Rancho Palos Verdes
Interior wall soundproofing in Rancho Palos Verdes runs $5,000 to $12,000 depending on wall area and whether we use foam or dense-pack fiber damping.
How we do it
We inject dense-pack material into interior stud bays or install acoustic batts during remodels, then verify the sound reduction with simple field tests.
What Wall Insulation Costs in Rancho Palos Verdes
| Item | Typical range in Rancho Palos Verdes |
|---|---|
| Injection foam wall retrofit | $6,000 - $12,000 |
| Drill & fill wall insulation | $5,500 - $11,000 |
| Interior wall soundproofing | $5,000 - $12,000 |
Can you insulate walls without opening drywall?
Yes. Drill-and-fill and injection foam methods both work through small exterior or interior penetrations, so your Rancho Palos Verdes walls stay intact while the cavities get fully insulated.
How do I know if my 1960s RPV home has wall insulation?
Most original builds don’t. We can check with a thermal imaging scan during a home energy audit, which reveals empty or settled wall cavities in minutes without opening anything.
Attic Cleaning & Rodent Proofing in Rancho Palos Verdes
Attic cleaning and rodent proofing in Rancho Palos Verdes is a regular call because the peninsula’s older ranch homes have wide eave gaps and roof vent openings that rodents exploit year-round. Once inside, they nest in the original fiberglass and contaminate it with droppings and urine. The marine layer’s humidity then amplifies the odor and accelerates material breakdown. We clean, sanitize, and seal every entry point. See more on our Attic Cleaning & Rodent Proofing page.
Attic Cleanout
Signs you need it
Scratching sounds at dawn, visible droppings on insulation, or a persistent attic odor that gets worse on humid days signal an active or past rodent problem.
What it costs in Rancho Palos Verdes
Full attic cleanout for a standard RPV home runs $1,800 to $3,500, with heavy contamination and deep insulation removal on the higher end.
How we do it
We remove all debris and contaminated material, HEPA-vacuum the deck, and prep the attic for sanitizing and new insulation.
Rodent Proofing & Exclusion
Signs you need it
Chewed wiring, entry holes at eaves or gable vents, and fresh droppings after cleaning all mean the attic is still accessible to rodents.
What it costs in Rancho Palos Verdes
Rodent proofing and exclusion for a typical RPV attic runs $1,200 to $3,000 depending on the number and location of entry points.
How we do it
We identify every opening, install heavy-gauge mesh and sealant at each point, and verify the perimeter is tight before finishing the job.
What Attic Cleaning & Rodent Proofing Costs in Rancho Palos Verdes
| Item | Typical range in Rancho Palos Verdes |
|---|---|
| Attic cleanout | $1,800 - $3,500 |
| Rodent proofing & exclusion | $1,200 - $3,000 |
| Cleanout, sanitizing & proofing | $3,500 - $6,500 |
Do I need to replace insulation after rodent cleanup?
Almost always. Rodent urine and droppings saturate fiberglass and create a biohazard. We remove the contaminated material, sanitize the deck, and blow in fresh insulation after proofing.
How fast do rodents return if you don’t proof the attic?
Within weeks. Rodents leave scent trails that attract new animals, and the same eave and vent gaps remain open. Proofing is the only durable fix in Rancho Palos Verdes.
Home Energy Audit in Rancho Palos Verdes
A home energy audit in Rancho Palos Verdes gives you a measured, numbers-first look at where your house is losing conditioned air and inviting humid ocean air inside. The peninsula’s mild climate means comfort complaints often stem from air leaks and moisture, not poor HVAC sizing, and an audit pinpoints exactly which gaps are moving the needle. We run blower door tests and thermal imaging on homes throughout Rancho Palos Verdes. Read the full scope on our Home Energy Audit page.
Blower Door Test
Signs you need it
Drafty rooms, dust accumulation around trim, and uneven room temperatures despite a balanced HVAC system suggest significant air leakage.
What it costs in Rancho Palos Verdes
A standalone blower door test for an RPV home runs $350 to $650, with the fee typically credited toward insulation work we complete.
How we do it
We mount a calibrated fan in an exterior doorway, depressurize the house, and measure total air leakage in CFM, pinpointing the largest contributors.
Thermal Imaging Inspection
Signs you need it
Cold walls, suspected missing insulation, or moisture stains you can’t trace to a source are all reasons to bring a thermal camera into the audit.
What it costs in Rancho Palos Verdes
Thermal imaging as part of a full audit in Rancho Palos Verdes runs $250 to $500, or is included with most complete audit packages.
How we do it
We scan ceilings, walls, and rim joists with a calibrated infrared camera to find insulation gaps and moisture that the naked eye can’t see.
What Home Energy Audit Costs in Rancho Palos Verdes
| Item | Typical range in Rancho Palos Verdes |
|---|---|
| Blower door test | $350 - $650 |
| Thermal imaging inspection | $250 - $500 |
| Full audit with report | $650 - $1,200 |
Does a home energy audit actually save money in Rancho Palos Verdes?
Yes, by showing you exactly which fixes matter. In a mild climate like RPV, the audit often finds that air sealing beats adding R-value, so you avoid spending on upgrades that won’t move the needle.
Is the audit invasive?
No. We use a blower door fan and thermal camera from the inside, with no wall openings. Your Rancho Palos Verdes home stays untouched while we map its performance.
Brands We Service in Rancho Palos Verdes
We install and service our brands including Knauf, Rockwool, and Icynene products in Rancho Palos Verdes attics and walls. Parts and material for these systems are stocked locally through our Los Angeles supply partners, so most peninsula jobs avoid the shipping delays that national chains accept as normal.
Pricing for Insulation in Rancho Palos Verdes, CA
| Service | Typical range in Rancho Palos Verdes |
|---|---|
| Open-cell spray foam (per board foot) | $2.50 - $4.50 |
| Closed-cell spray foam (per board foot) | $3.50 - $6.50 |
| Blown-in fiberglass attic | $2,800 - $5,500 |
| Radiant barrier (attic rafter) | $1,800 - $3,800 |
| Attic insulation removal | $2,500 - $5,000 |
| Attic floor air sealing | $1,500 - $3,500 |
| Injection foam wall retrofit | $6,000 - $12,000 |
| Attic cleanout | $1,800 - $3,500 |
| Blower door test | $350 - $650 |
Prices in Rancho Palos Verdes get pushed up by steep roof pitches, hillside access on sloped lots, and contaminated material that requires special handling. Every job we quote is an upfront, no-hassle number, and we’ll honor a free second opinion on any written estimate you bring us from another company.
Neighborhoods We Serve in Rancho Palos Verdes
We work in every neighborhood on the peninsula, and because our crews are dispatched from the Los Angeles office with local routing, the drive to Rancho Palos Verdes is short enough that same-day or next-day appointments are typical.
- Portuguese Bend
- Abalone Cove
- Mira Catalina
- Vista Grande
- Silver Spur
Service Area - Cities Near Rancho Palos Verdes
Walt’s Insulation also serves the surrounding South Bay communities, including Lomita, CA, Lakewood, CA, Redondo Beach, CA, and Torrance, CA. If you’re just outside Rancho Palos Verdes, we’ll still answer the phone live and tell you honestly whether we can get a crew to you this week.
Serving Rancho Palos Verdes, CA - Our Local Coverage Area
We’re based in the Rancho Palos Verdes area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Insulation in Rancho Palos Verdes
Most jobs start within 24 to 48 hours. Our Los Angeles dispatch coordinates local routing for the peninsula, so same-day emergency calls for things like exposed wiring after rodent damage are often possible. Call (424) 955-2557 and you’ll reach a live person, not a voicemail.
Insulation replacement and air sealing inside the building envelope rarely require permits, but exterior changes like re-roofing with radiant barrier may. We check the current Rancho Palos Verdes requirements on every job and handle the paperwork on our end when needed.
Yes, and that’s more common in Rancho Palos Verdes than people expect. Many original 1960s ranch homes have empty wall cavities or only a thin attic layer. We inspect first, then recommend the most cost-effective retrofit for your specific house.
If you’re ready for a straight answer about insulation in Rancho Palos Verdes, call Walt’s Insulation at (424) 955-2557. A real person picks up, we’ll give you honest pricing, and we’ll back the work with our lifetime Done Right Promise. If it’s not done right, we make it right.
What happens when you call
- 1A real person answersNo phone trees - talk to a local insulation pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3A background-checked tech heads outLicensed & insured, typically within 60-minute.
- 4You approve before work beginsNothing starts until you say go.
What Rancho Palos Verdes Customers Say
"Radiant barrier and new insulation in one visit. Walt explained what the foil actually does and what it does not, which nobody else bothered to. Electric bill in July was the lowest it has been in this house."
- Nadia Haddad"We had the walls of our old house filled with foam through small holes from the outside. Patched and painted the same afternoon. The bedrooms hold heat now and the furnace runs a lot less."
- Linda Baumgartner"Air sealing first, then blown-in over the top. He found a bathroom fan venting straight into the attic and fixed that too. Written price before they started, same price when they finished."
- Arjun Mehta