Insulation in Hermosa Beach, CA
Spray foam insulation in Hermosa Beach solves what fiberglass can’t: chronic marine-layer humidity working its way into wall cavities and attics of pre-1960 beach cottages. Most homes here were built without insulation because the mild climate convinced builders it wasn’t needed, which means today’s homeowners are retrofitting original framing right up against new additions. On Hermosa’s walk streets, that means hand-carrying rigs and materials down pedestrian-only paths. Call (424) 396-5828 for a free estimate and we’ll tell you exactly what’s in your walls.
Why Hermosa Beach Homes Are Different
Hermosa Beach sits on a narrow coastal shelf where the marine layer off Santa Monica Bay rolls in most mornings and lingers well past noon. That persistent humidity, carried on salt-laden air, is the single biggest driver of insulation failure here. Unfaced fiberglass batts get heavy and sag. Open-cell foam absorbs moisture like a sponge and becomes a mold risk inside wall cavities. This is why closed-cell and moisture-resistant products are the professional standard for Hermosa Beach work, not an upsell.
The housing stock compounds the problem. Most homes went up before 1960, many of them compact beach bungalows on lots under 2,500 square feet, built with zero wall insulation and a few inches of attic fill at best. Then came decades of renovations and ADU additions. Walk down any walk street near The Strand and you’ll find 1930s beach shacks that got new stucco or siding wrapped over completely empty wall cavities. The only retrofit paths are drill-and-fill dense-pack cellulose from outside or a full gut, and neither can be staged with a truck pulled up to the house. Every job starts with hand-carrying equipment down foot paths.
What this means practically: insulation in Hermosa Beach is less about heating and cooling loads and more about moisture control, noise from beach crowds and Pier Avenue nightlife, and Title 24 compliance on renovations. Temperatures rarely drop below 50°F or climb above 80°F, so the energy math is different than it is a few miles inland. The contractor you hire needs to understand that difference, or you’ll pay twice.
Our Main Hermosa Beach Services
Two services account for most of the calls we take from Hermosa Beach homeowners: attic insulation upgrades and crawl space encapsulation. Both jobs look different here than they do inland, and both deserve their own dedicated pages.
Attic Insulation in Hermosa Beach
Attics in Hermosa Beach beach cottages are tight, shallow, and frequently under-insulated because the original builders never sized the framing for modern insulation depths. Marine-layer humidity rising through the ceiling plane condenses on roof decking, and decades-old fiberglass often compresses to half its original R-value. We inspect the existing fill, check for rodent activity and water staining from sea-air corrosion, then bring the attic up to Title 24 compliance with moisture-resistant materials. Learn what to expect on Attic Insulation in Hermosa Beach.

Crawl Space Encapsulation & Vapor Barrier in Hermosa Beach
Crawl spaces under Hermosa Beach homes sit close to the water table and trap the salt-air humidity that corrodes vapor retarders and feeds mold growth on floor joists. Houses here often have crawl spaces with barely 18 inches of clearance, making access work slow and deliberate. We seal the ground with a reinforced vapor barrier, treat the rim joists, and condition the space so it stops pushing damp air into your living areas. The full scope is on Crawl Space Encapsulation & Vapor Barrier in Hermosa Beach.

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 Hermosa Beach

Spray foam insulation in Hermosa Beach is the go-to answer for beach cottages where empty wall cavities, salt-air moisture, and sound intrusion from The Strand meet in one place. Closed-cell foam at 2 to 3 inches creates an air barrier, a moisture barrier, and an R-value that outperforms any batt, which matters when your framing is original 1940s dimensional lumber that can’t hold thick insulation. We install Spray Foam Insulation from trusted manufacturers including Johns Manville and Icynene, and we’ve run the hoses down more Hermosa walk streets than we can count.
Open-Cell Spray Foam
Signs you need it
You hear every conversation from the sidewalk and the upstairs rooms never cool down, even with the windows open on a 75-degree day.
What it costs in Hermosa Beach
Open-cell spray foam in Hermosa Beach typically runs $1.50 to $3.50 per board foot, shifting based on depth and access difficulty.
How we do it
We mask the work area, spray the foam to the specified depth, trim it flush with the framing, and verify the final depth with a depth gauge before we leave.
Closed-Cell Spray Foam
Signs you need it
You’ve got moisture staining on sheathing or a musty smell in the attic that comes back every summer when the marine layer sits over the house.
What it costs in Hermosa Beach
Closed-cell spray foam in Hermosa Beach generally falls between $2.00 and $5.00 per board foot, the higher end reflecting the hand-carry labor on walk streets.
How we do it
We apply the closed-cell foam in lifts to control exotherm, build to your specified R-value, and inspect for voids and shrinkage with a thermal camera.
What Spray Foam Insulation Costs in Hermosa Beach
| Item | Typical range in Hermosa Beach |
|---|---|
| Open-cell spray foam (attic or wall) | $1.50 - $3.50 per board foot |
| Closed-cell spray foam (attic, wall, or rim joist) | $2.00 - $5.00 per board foot |
| Spray foam roof deck (under-roof application) | $2.50 - $6.50 per board foot |
Does spray foam work in Hermosa Beach’s humid climate?
Yes, if the right product is used. Closed-cell foam is moisture-resistant and performs well in the marine layer. Open-cell foam should be reserved for interior assemblies where vapor drive is managed. Call for a materials recommendation specific to your home’s construction.
Can you install spray foam on a walk street property?
Yes. We hand-carry the proportioner, hoses, and materials down the walk path in sections. It adds time and labor, which slightly increases cost, but the job gets done the same day. Call (424) 396-5828 and we’ll walk the site with you.
Blown-In Insulation in Hermosa Beach

Blown-in insulation in Hermosa Beach is the practical retrofit for older beach cottages whose attics and wall cavities were left empty 70 or 80 years ago. Loose-fill cellulose or fiberglass can be blown into irregular framing bays quickly and at a lower labor cost than spray foam, which matters when access means carrying a blower unit down a pedestrian walk street. We install Blown-In Insulation from manufacturers including Knauf and CertainTeed, and we match the product to the moisture exposure of each cavity.
Blown-In Cellulose
Signs you need it
Your attic insulation settles below the tops of the ceiling joists and the upstairs rooms warm up by early afternoon even on mild days.
What it costs in Hermosa Beach
Blown-in cellulose in Hermosa Beach runs $1.00 to $2.50 per square foot installed, with dense-pack wall applications at the top of that range.
How we do it
We prep the attic with baffles and dams, blow the cellulose to your target depth, and density-check the finished fill with a core sample.
Dense-Pack Wall Insulation
Signs you need it
Your 1950s beach bungalow has empty wall cavities and you don’t want to open up the interior plaster for a gut remodel.
What it costs in Hermosa Beach
Dense-pack wall insulation in Hermosa Beach typically costs $2.00 to $3.50 per square foot of wall area, reflecting the fill density and exterior access work.
How we do it
We drill access holes through the siding from the outside, blow the cellulose to a dense-pack pressure, and plug and patch each hole to match the finish.
What Blown-In Insulation Costs in Hermosa Beach
| Item | Typical range in Hermosa Beach |
|---|---|
| Blown-in attic insulation (cellulose or fiberglass) | $1.00 - $2.50 per sq ft |
| Dense-pack wall insulation | $2.00 - $3.50 per sq ft |
| Blown-in top-up over existing attic fill | $0.75 - $1.75 per sq ft |
Is blown-in insulation a good fit for beach cottages?
Yes, especially for irregular framing and tight attics where batts don’t sit well. Dense-pack cellulose is also the standard retrofit for empty wall cavities on Hermosa’s walk streets. We’ll confirm your framing can accept it during the estimate.
How long does a blown-in job take in Hermosa Beach?
Most attic jobs finish in half a day. Dense-pack wall work takes a full day. Walk street access adds a couple of hours for material staging. Call us at (424) 396-5828 for a schedule based on your specific property.
Radiant Barrier Installation in Hermosa Beach

Radiant barrier installation in Hermosa Beach targets the one thing this climate does generate: attic heat gain from direct sun on roof decks, especially on those clear days when the marine layer burns off by 10 a.m. A foil radiant barrier stapled to the underside of the rafters reflects radiant heat before it radiates down into the living space, which matters in the small, low-slung attics common to beach cottages where insulation depth is limited. We install Radiant Barrier Installation systems using heavy-duty foil laminates, and we’ll pair it with proper ventilation so moisture doesn’t get trapped.
Attic Radiant Barrier
Signs you need it
Your upstairs rooms spike in temperature on sunny afternoons even though the outdoor air stays in the 70s, and the attic feels like an oven by noon.
What it costs in Hermosa Beach
Attic radiant barrier in Hermosa Beach typically costs $1.00 to $2.50 per square foot, with low-slope roof decks on older cottages adding labor.
How we do it
We staple the foil laminate across the underside of the rafters, leaving a defined air gap, and tape all seams to maintain the reflective surface continuity.
Radiant Barrier & Ventilation
Signs you need it
Your attic has only gable-end vents and no ridge or soffit airflow, so heat and marine-layer moisture build up together and never clear out.
What it costs in Hermosa Beach
Radiant barrier paired with added ventilation in Hermosa Beach runs $1.50 to $3.00 per square foot, varying with the vent work involved.
How we do it
We map the intake and exhaust airflow, add soffit or ridge vents where the roof design allows, and install the radiant barrier so it doesn’t block the air path.
What Radiant Barrier Installation Costs in Hermosa Beach
| Item | Typical range in Hermosa Beach |
|---|---|
| Attic radiant barrier (rafter-mounted) | $1.00 - $2.50 per sq ft |
| Radiant barrier roof deck application | $1.25 - $3.00 per sq ft |
| Radiant barrier plus ventilation upgrade | $1.50 - $3.00 per sq ft |
Does a radiant barrier do anything in Hermosa Beach’s mild climate?
It does. On clear days the attic in a small beach cottage can reach 130°F. A radiant barrier keeps that heat from radiating into the rooms below. In this climate it’s about comfort more than utility savings. Call for an attic temperature assessment.
Can you install a radiant barrier on a walk street home?
Yes. The material is lightweight and comes in rolls, so hand-carrying it down the walk path is straightforward. The work is done inside the attic space. Schedule a look at your roof deck and we’ll confirm the approach.
Insulation Removal & Replacement in Hermosa Beach

Insulation removal and replacement in Hermosa Beach usually starts with something unpleasant: rodent droppings, old compressed fiberglass, or moisture-damaged fill from decades of marine-layer exposure. Homes on the walk streets rarely got attic maintenance because nobody wanted to drag a ladder and bags down a pedestrian path, so the original insulation often sits there saturated and useless. We remove it, sanitize the cavity, and re-insulate with a product suited to the coastal exposure. Our Insulation Removal & Replacement crews use HEPA-filtered vacuum systems and full containment.
Attic Insulation Removal
Signs you need it
Your existing attic insulation is compressed, stained, or full of rodent droppings, and you can see the ceiling joists in places.
What it costs in Hermosa Beach
Attic insulation removal in Hermosa Beach generally runs $1.00 to $2.50 per square foot, higher on walk streets where material must be bag-carried out.
How we do it
We contain the work area, vacuum out the old material through a HEPA-filtered system, and bag everything for hand-carry off the property.
Contaminated Insulation Removal
Signs you need it
You smell rodent urine in the attic or find droppings throughout the insulation, and the odor seeps into the living space on warm days.
What it costs in Hermosa Beach
Contaminated insulation removal in Hermosa Beach runs $1.50 to $3.00 per square foot, reflecting the extra PPE, containment, and disposal requirements.
How we do it
We set negative-air containment, remove the contaminated material in sealed bags, sanitize the surfaces with an enzyme treatment, and prepare the space for new insulation.
What Insulation Removal & Replacement Costs in Hermosa Beach
| Item | Typical range in Hermosa Beach |
|---|---|
| Attic insulation removal | $1.00 - $2.50 per sq ft |
| Contaminated insulation removal | $1.50 - $3.00 per sq ft |
| Exterior wall insulation removal (gut or drill-fill prep) | $2.00 - $4.00 per sq ft |
Do I have to remove old insulation before adding new?
Not always. If the existing fill is dry, uncontaminated, and not compressed, we can often blow new material on top. If there’s rodent activity, water damage, or mold, removal is the only right answer. We’ll tell you which applies after one look in your attic.
How do you get old insulation out of a walk street attic?
We bag it inside and hand-carry the bags down the walk path to a staging area. It’s slower than a normal removal, but walk streets don’t change the outcome, just the labor. Call (424) 396-5828 for an estimate that includes access costs upfront.
Attic Air Sealing in Hermosa Beach

Attic air sealing in Hermosa Beach addresses what insulation alone can’t: the dozens of small holes and gaps where conditioned air leaks into the attic and damp marine air leaks down into the house. In older beach cottages with original framing, those gaps are everywhere: top plates, can light housings, plumbing chases, and undersized attic hatches. Before we blow or spray any insulation, we seal the air paths so the insulation can actually do its job. Our Attic Air Sealing work follows the same sequence: find the leaks, seal them, verify with a blower door test.
Top Plate & Penetration Sealing
Signs you need it
You feel drafts around ceiling fixtures in winter and the upstairs smells slightly musty after the morning marine layer clears.
What it costs in Hermosa Beach
Top plate and penetration sealing in Hermosa Beach typically runs $1.00 to $2.00 per square foot of attic floor area.
How we do it
We clear the insulation from the top plates, seal every gap with foam or caulk rated for the joint size, and re-cover the sealed plates with insulation.
Can Light & Duct Boot Sealing
Signs you need it
Older recessed can lights in your ceiling feel warm or show dust streaks on the trim, and the ducts in the attic leak air at every boot connection.
What it costs in Hermosa Beach
Can light and duct boot sealing in Hermosa Beach runs $150 to $400 per room, depending on the number of fixtures and duct connections.
How we do it
We install rated covers over non-IC-rated can lights, seal the boot-to-drywall and boot-to-duct joints with mastic, and verify the connections hold under pressure.
What Attic Air Sealing Costs in Hermosa Beach
| Item | Typical range in Hermosa Beach |
|---|---|
| Full attic floor air sealing | $1.00 - $2.00 per sq ft |
| Can light and duct boot sealing | $150 - $400 per room |
| Attic hatch sealing and weatherstripping | $75 - $200 per hatch |
Do I need air sealing before attic insulation?
Yes, in almost every case. Insulation does not stop air movement. In Hermosa Beach, air sealing also keeps salt-laden humid air from entering the attic through gaps that insulation would otherwise hide. We seal first, every time.
How much difference does air sealing make in a beach cottage?
Noticeable. You’ll feel fewer drafts, hear less street noise, and the upstairs won’t smell as musty when the marine layer is heavy. It also helps whatever insulation you add hit its rated performance. Call for a blower door test to quantify your leaks.
Wall Insulation in Hermosa Beach

Wall insulation in Hermosa Beach is the retrofit most homeowners don’t think about until a remodel exposes empty cavities, or until street noise from Pier Avenue and The Strand makes it impossible to sleep. Original beach cottages went up with no wall insulation at all. Those that got “improved” later often just got new stucco or siding over the same empty framing. Today, drill-and-fill dense-pack and injection foam are the two ways we fix those walls without tearing them open. We install Wall Insulation from manufacturers including Rockwool and CertainTeed, and we pull the siding and inspect the cavity before we pick the product.
Injection Foam Wall Insulation
Signs you need it
Your walls feel cold or hollow in winter, sound passes through the exterior walls like they’re open, and the house was built before 1960.
What it costs in Hermosa Beach
Injection foam wall insulation in Hermosa Beach typically runs $2.50 to $5.00 per square foot of wall area, vary with cavity condition and access.
How we do it
We drill small holes through the siding at consistent intervals, inject the foam into the cavity under controlled pressure, and patch the holes to match.
Interior Wall Soundproofing
Signs you need it
You can hear conversations and bar noise from Pier Avenue clear as day inside your living room, even with the windows closed and the doors shut.
What it costs in Hermosa Beach
Interior wall soundproofing in Hermosa Beach runs $2.00 to $4.00 per square foot, depending on the assembly used and the existing wall condition.
How we do it
We open one side of the interior wall, install mineral wool batts or injection foam, add acoustic sealant at the perimeter, and close the wall back up.
What Wall Insulation Costs in Hermosa Beach
| Item | Typical range in Hermosa Beach |
|---|---|
| Injection foam wall insulation | $2.50 - $5.00 per sq ft |
| Drill & fill dense-pack wall insulation | $2.00 - $3.50 per sq ft |
| Interior wall soundproofing | $2.00 - $4.00 per sq ft |
Can you insulate my walls without tearing out the drywall?
Yes. Drill-and-fill dense-pack cellulose and injection foam both go in through small holes from the outside or inside. We patch the holes to match the existing surface. It’s the standard retrofit for Hermosa Beach’s older homes.
Why are my walls so cold if the climate is mild?
Empty wall cavities let the marine-layer air move freely, and the 55-degree overnight air makes the interior surface of the wall feel cold even when the room temperature stays steady. Insulating stops that air movement and the chill that comes with it.
Attic Cleaning & Rodent Proofing in Hermosa Beach

Attic cleaning and rodent proofing in Hermosa Beach starts with the simple fact that rats and mice love the same warm, dry attics that insulation makes comfortable. Walk street cottages are especially vulnerable because overhanging landscaping, flat roof transitions, and old roof lines give rodents easy access points. They nest in the insulation, chew wiring, and leave droppings that become airborne. We remove the contamination, sanitize the space, and seal every entry point. Our Attic Cleaning & Rodent Proofing work is done with proper PPE and containment, not a shop vac and a prayer.
Attic Cleanout
Signs you need it
You’ve seen droppings in the attic, heard scratching at night, or noticed a stale odor that worsens when the house is closed up.
What it costs in Hermosa Beach
Attic cleanout in Hermosa Beach typically runs $500 to $1,500 depending on attic size, contamination level, and walk street access.
How we do it
We remove the contaminated insulation with a HEPA vacuum, bag all debris, and hand-carry the bags down the access path for disposal.
Rodent Proofing & Exclusion
Signs you need it
You’ve had rodents treated or trapped, but new ones keep returning, and you can see open gaps around roof eaves, vents, or pipe penetrations.
What it costs in Hermosa Beach
Rodent proofing and exclusion in Hermosa Beach generally costs $300 to $1,200, varying with the number of entry points and roof access difficulty.
How we do it
We inspect every roof transition and penetration, seal the gaps with rodent-rated materials including metal mesh and foam, and document each exclusion point.
What Attic Cleaning & Rodent Proofing Costs in Hermosa Beach
| Item | Typical range in Hermosa Beach |
|---|---|
| Attic cleanout | $500 - $1,500 |
| Attic sanitizing & decontamination | $300 - $900 |
| Rodent proofing & exclusion | $300 - $1,200 |
Should I replace insulation after rodent activity?
Yes, if the insulation is saturated with droppings or urine. Some materials can be spot-cleaned, but most need removal and replacement. Leaving contaminated insulation in place means living with the odor and the health hazards. Call for an attic inspection.
How do rodents get into beach cottage attics?
Through roof transitions, gable vents, pipe penetrations, and gaps where old framing meets new additions. Hermosa’s older homes have plenty of those. We seal every access point after cleaning so the problem doesn’t come back with the next tide.
Home Energy Audit in Hermosa Beach

A home energy audit in Hermosa Beach gives you something most contractors won’t: a measured picture of where air leaks, where insulation is failing, and where the marine layer is doing its slow work inside your walls. For older beach cottages that have been added onto multiple times, the thermal boundaries are usually a patchwork, and a blower door test shows exactly how bad it is. We run the numbers and give you a prioritized list, so your money goes to the fixes that matter first. Our Home Energy Audit follows the same data-first approach Walt’s has used since day one.
Blower Door Test
Signs you need it
Your home feels drafty in winter, the heating bill is higher than it should be for a 1,200-square-foot cottage, and you want to know where the leaks actually are.
What it costs in Hermosa Beach
A standalone blower door test in Hermosa Beach runs $200 to $500, depending on the home’s size and how many zones need testing.
How we do it
We mount the blower door in an exterior doorway, depressurize the house to a standard pressure, and use the gauge readings to calculate total air leakage.
Thermal Imaging Inspection
Signs you need it
Certain rooms stay colder or hotter than the rest of the house and you suspect missing insulation in walls, floors, or attic areas you can’t see.
What it costs in Hermosa Beach
Thermal imaging inspection in Hermosa Beach typically runs $150 to $400 for a whole-house scan, often bundled with the blower door test.
How we do it
We scan every wall, ceiling, and floor plane with an infrared camera under controlled temperature conditions and document the thermal anomalies in a report.
What Home Energy Audit Costs in Hermosa Beach
| Item | Typical range in Hermosa Beach |
|---|---|
| Blower door test | $200 - $500 |
| Thermal imaging inspection | $150 - $400 |
| Full audit with insulation inspection and report | $400 - $900 |
Is an energy audit worth it in Hermosa Beach’s mild climate?
Yes, because the real value here is finding moisture and air leaks, not utility savings. The marine layer causes problems that an audit reveals before they become expensive. We give you a written report with priorities, not a sales pitch.
Do I need an audit before a Title 24 renovation?
Often yes. A proper audit establishes the baseline before a remodel changes the thermal boundary. It also gives you documentation for compliance. Call (424) 396-5828 to schedule an audit before your renovation starts.
Brands We Service in Hermosa Beach
We install and service insulation products from Johns Manville, Knauf, Rockwool, and CertainTeed. Parts for these systems are stocked in our Los Angeles warehouse, and we keep standard replacement components on the truck, so most repair jobs in Hermosa Beach get finished the same day without a second trip. See our brands for the full list.
Pricing for Insulation in Hermosa Beach, CA
| Service | Typical range in Hermosa Beach |
|---|---|
| Spray foam insulation | $1.50 - $6.50 per board foot |
| Blown-in insulation | $0.75 - $3.50 per sq ft |
| Radiant barrier installation | $1.00 - $3.00 per sq ft |
| Insulation removal & replacement | $1.00 - $4.00 per sq ft |
| Attic air sealing | $1.00 - $2.00 per sq ft |
| Wall insulation | $2.00 - $5.00 per sq ft |
| Attic cleaning & rodent proofing | $300 - $1,500 |
| Home energy audit | $150 - $900 |
Walk street access pushes labor higher on nearly every job in Hermosa Beach, because every bag, hose, and machine gets hand-carried down the pedestrian path. Our pricing is upfront and fixed before work starts: you see the full number, we do the work, and the Done Right Promise backs it for life.
Neighborhoods We Serve in Hermosa Beach
We cover the entire city of Hermosa Beach, from The Strand inland to the east side, and every walk street in between. Crews are staged locally, and most calls get a same-day or next-day response.
- The Strand and Sand Section
- Walk Streets (Hermosa Avenue corridor)
- East Hermosa (near Prospect Avenue)
- Pier Avenue area
- Valley Drive corridor
Service Area - Cities Near Hermosa Beach
We serve homeowners throughout the South Bay, including Manhattan Beach, CA, Lawndale, CA, El Segundo, CA, and Hawthorne, CA. The same live-answer phone and Done Right Promise apply everywhere. Call and a real person picks up.
Serving Hermosa Beach, CA - Our Local Coverage Area
We’re based in the Hermosa Beach 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 Hermosa Beach
Most insulation retrofit work falls under the city’s minor repair provisions and doesn’t require a permit. Renovations that open walls or change the thermal envelope, including ADU additions, typically need permits and Title 24 compliance. We’ll confirm what your project needs before work starts.
We answer the phone live and dispatch from a local crew, so most Hermosa Beach calls get same-day or next-day response. Walk street access is factored into the schedule, not used as an excuse to push your job back. Call (424) 396-5828 and we’ll give you a real arrival window.
Yes. If your home falls under an HOA with exterior appearance rules, we coordinate access and material staging to comply. We’ve handled plenty of walk street and Strand-adjacent properties where the HOA has specific hours or access restrictions. We’ll review the requirements at the estimate.
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 30-60 min.
- 4You approve before work beginsNothing starts until you say go.
What Hermosa Beach 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"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"Spray foam in the garage ceiling under the bonus room. That room used to be unusable in summer. Walt talked me out of foaming the whole attic because it did not need it - saved me a couple thousand and I trust him more for it."
- Bud Larkin