Insulation in San Gabriel, CA
Crawl space encapsulation and vapor barrier work in San Gabriel typically runs $3,200-$6,800 for a full encapsulation, with most homes in the 1,200-1,800 square foot range falling toward the middle of that band. We’re Envelope Insulation Co., and we treat air sealing as a hard prerequisite before any insulation goes in. In San Gabriel’s 1940s-1960s housing stock, we regularly find crawl spaces with no vapor barrier, no perimeter sealing, and moisture readings that explain the musty odors homeowners have been living with for years. Call (213) 474-3828 for a written price before any work starts.
Why San Gabriel Homes Are Different
San Gabriel sits in the inland San Gabriel Valley heat basin, where the San Gabriel Mountains trap radiant heat and summer temperatures routinely hit 100-105°F - 15 to 20 degrees hotter than coastal LA just 20 miles west. Attic temperatures under these conditions can exceed 150°F, which makes proper insulation and air sealing far more consequential here than in beach cities.
The housing stock compounds the problem. Most homes are 1940s-1970s stucco-over-wood-frame bungalows and ranch-style houses built before California’s Title 24 energy code, meaning no wall cavity insulation and minimal attic insulation by current standards. Decades of room additions, garage conversions, and enclosed patios - common in the city’s multigenerational Asian-American households - have created patchwork thermal envelopes where one room runs 10-15°F hotter than the next. Contractors working near the San Gabriel Mission district or along Las Tunas Drive still find 1970s-80s additions drywalled directly against original exterior stucco with nothing in the new framing cavity.
Our Main San Gabriel Services
San Gabriel homeowners call us most often for attic work and spray foam - here is what those jobs involve locally.
Attic Insulation in San Gabriel
Attic insulation in San Gabriel means dealing with 150°F peak attic temperatures and decades of accumulated patchwork from room additions. We start with a blower-door test - a pressurization reading that shows, in one number, how much conditioned air your building envelope is losing - then seal top plates, can lights, and penetrations before adding any new material. Most San Gabriel attics need R-38 to R-49 blown-in fiberglass or cellulose to meet current Title 24 standards. Attic Insulation in San Gabriel includes our Documented Photo Record and written price before work begins.
Spray Foam Insulation in San Gabriel
Spray foam insulation in San Gabriel is often the right choice for the irregular framing and converted spaces common in multigenerational homes with piecemeal additions. Open-cell foam at R-3.5 to R-4 per inch fills odd cavities in garage conversions and room additions; closed-cell at R-6 to R-7 per inch adds structural rigidity and moisture control in crawl spaces and rim joists. We source from Demilec and Icynene with no proprietary lock-in. Spray Foam Insulation in San Gabriel jobs get before-and-after blower-door numbers when applicable.
Blown-In Insulation in San Gabriel
Blown-in insulation in San Gabriel remains the most cost-effective way to bring a 1950s or 1960s attic up to current performance. We use Owens Corning fiberglass or GreenFiber cellulose, installed after air sealing is complete - never over an unsealed attic floor, per our hard prerequisite. In San Gabriel’s heat basin, the combination of proper depth and sealed air leaks typically reduces attic heat transfer by 40-60% compared to the original condition. Blown-In Insulation in San Gabriel includes our 365-Day Done Right Promise.
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.
Before
AfterCrawl Space Encapsulation & Vapor Barrier in San Gabriel
San Gabriel’s older homes were built with vented crawl spaces and no vapor barrier, leaving dirt floors exposed to the humid air that settles in the San Gabriel Valley during winter storms and summer monsoon flows. Without encapsulation, that moisture migrates upward through the floor assembly, raising indoor humidity and creating conditions for mold and wood decay. We perform Crawl Space Encapsulation & Vapor Barrier work starting with a written price and closing with a Documented Photo Record of every sealed seam and installed barrier.
Crawl Space Vapor Barrier
Signs you need it
Your crawl space has a dirt floor with no plastic sheeting, or existing polyethylene is torn, thin, or stops short of the piers.
What it costs in San Gabriel
A 6-mil to 20-mil vapor barrier installed over a dirt crawl space floor in San Gabriel typically runs $1,800-$3,400 depending on square footage, pier count, and whether the existing debris requires removal first.
How we do it
We remove debris, level the soil, lay overlapping sheets of reinforced polyethylene sealed at all seams and perimeter walls, then secure around piers and mechanical penetrations before photographing the completed barrier for your record.
Crawl Space Encapsulation
Signs you need it
You smell musty air from floor registers, see condensation on ductwork in summer, or measure relative humidity above 65% in the crawl space during any season.
What it costs in San Gabriel
Full crawl space encapsulation in San Gabriel - walls, floor, and rim joist sealed with a vapor barrier plus mechanical dehumidification - typically ranges from $3,200-$6,800 for homes between 1,200 and 2,400 square feet.
How we do it
We install a reinforced liner on all exposed surfaces, seal rim joists with closed-cell spray foam, add a mechanical dehumidifier sized to the volume, and provide before-and-after moisture readings with your Documented Photo Record.
What Crawl Space Encapsulation & Vapor Barrier Costs in San Gabriel
| Item | Typical range in San Gabriel |
|---|---|
| Vapor barrier (dirt floor, 6-20 mil) | $1,800 - $3,400 |
| Full encapsulation with dehumidifier | $3,200 - $6,800 |
| Crawl space insulation (rigid foam board) | $2,400 - $4,600 |
How long does crawl space encapsulation take in San Gabriel?
Most San Gabriel crawl space encapsulations take two to three days: one day for prep and barrier installation, one day for sealing and mechanical work, plus a final walkthrough with moisture verification. Call (213) 474-3828 for a written price and timeline specific to your home.
Will encapsulation fix musty smells inside my house?
Yes, when the source is crawl space moisture migrating through the floor - we measure this with a hygrometer before starting and verify reduced indoor humidity after completion. If musty odors persist, we investigate duct leakage or other sources and document our findings.
Radiant Barrier Installation in San Gabriel
San Gabriel’s position in the inland heat basin makes radiant barrier installation one of the highest-ROI envelope improvements available to local homeowners. With attic temperatures regularly exceeding 150°F in summer, a properly installed radiant barrier can reduce attic heat gain by 20-35% by reflecting infrared radiation before it reaches your insulation layer. We perform Radiant Barrier Installation with documented before-and-after attic temperature readings so you can verify performance.
Attic Radiant Barrier
Signs you need it
Your air conditioner runs continuously on summer afternoons, your attic insulation feels hot to the touch, or your second floor stays 10°F warmer than the first despite adequate insulation depth.
What it costs in San Gabriel
Attic radiant barrier installation in San Gabriel typically costs $1,400-$2,800 for a standard 1,500-square-foot attic, with price varying by roof pitch, accessibility, and whether we install foil over existing insulation or staple to rafters.
How we do it
We install perforated aluminum foil or reflective OSB across rafters or truss bottoms, maintaining ventilation channels, then measure attic surface temperatures before and after with an infrared thermometer recorded in your job documentation.
Radiant Barrier & Ventilation
Signs you need it
Your attic has a radiant barrier but still exceeds 140°F, or you have blocked soffit vents, no ridge vent, or bathroom fans dumping into the attic space.
What it costs in San Gabriel
Radiant barrier with ventilation correction in San Gabriel - adding baffles, clearing soffits, or installing passive vents - typically runs $2,200-$4,200 depending on existing conditions and roof geometry.
How we do it
We inspect and clear all intake and exhaust ventilation paths, install proper baffles to prevent insulation from blocking soffit vents, then add the radiant barrier and verify airflow with a smoke pencil test documented in your photo record.
What Radiant Barrier Installation Costs in San Gabriel
| Item | Typical range in San Gabriel |
|---|---|
| Attic radiant barrier (foil or reflective) | $1,400 - $2,800 |
| Radiant barrier with ventilation upgrade | $2,200 - $4,200 |
| Radiant barrier roof deck (new construction or reroof) | $2,800 - $5,400 |
Does radiant barrier work with existing attic insulation?
Yes, we install radiant barriers in San Gabriel attics with existing fiberglass or cellulose regularly - the barrier reflects heat before it reaches the insulation, so the combination performs better than either alone. We photograph the existing condition, install the barrier, and measure the temperature difference at completion.
How much will my cooling bill drop?
Most San Gabriel homeowners see summer cooling reductions of 10-20% after radiant barrier installation, with the highest savings in homes with dark shingle roofs and poor attic ventilation. We don’t promise specific dollar savings, but we do document your attic temperature reduction in writing.
Insulation Removal & Replacement in San Gabriel
San Gabriel’s older homes often contain insulation that has been compromised by decades of roof leaks, rodent activity, or piecemeal remodeling that left sections compressed or missing entirely. In homes near the Mission district or along Las Tunas Drive, we regularly find vermiculite insulation from the 1950s-70s or fiberglass batts saturated with condensation from unsealed can lights. We perform Insulation Removal & Replacement with full containment, HEPA filtration, and documented disposal records.
Contaminated Insulation Removal
Signs you need it
You smell urine or mildew from attic access points, see rodent droppings or nesting material in insulation, or your insulation shows water staining or mold growth visible from the attic hatch.
What it costs in San Gabriel
Contaminated insulation removal in San Gabriel - including HEPA-contained extraction, bagging, and disposal - typically runs $2,600-$4,800 for a 1,500-square-foot attic, with severe contamination or limited access adding to labor time.
How we do it
We establish negative air pressure with HEPA scrubbers, remove contaminated material in sealed bags, sanitize exposed surfaces with an enzyme treatment, then photograph the cleaned deck before any new insulation is specified or priced.
Insulation Replacement
Signs you need it
Your attic insulation measures below R-19, shows widespread compression or settling, or has been disturbed by prior wiring, plumbing, or ductwork modifications that left gaps and thermal bypasses.
What it costs in San Gabriel
Insulation replacement in San Gabriel after removal - including air sealing and new blown-in fiberglass or cellulose to R-38 - typically costs $3,400-$6,200 for a standard attic, with spray foam rim joist work adding $1,800-$3,600.
How we do it
We air seal all top plates, penetrations, and duct boots first, then install new insulation to specified depth with uniform coverage, mark depth indicators for future verification, and provide your Documented Photo Record with written warranty.
What Insulation Removal & Replacement Costs in San Gabriel
| Item | Typical range in San Gabriel |
|---|---|
| Contaminated insulation removal (attic) | $2,600 - $4,800 |
| Insulation replacement with air sealing | $3,400 - $6,200 |
| Vermiculite testing and removal (if present) | $4,200 - $8,600 |
Is vermiculite insulation dangerous?
Vermiculite insulation may contain asbestos and should not be disturbed without testing - we use a certified lab for sample analysis before touching any material that appears granular and silver-gold in color. If positive, we bring in licensed abatement contractors and coordinate the work under our project management with full documentation.
Can you remove insulation without replacing it the same day?
Yes, we often schedule removal and replacement as separate visits in San Gabriel, especially when contamination requires sanitizing time or when homeowners want to inspect the sealed deck before approving new insulation - each phase gets its own written price and scope.
Attic Air Sealing in San Gabriel
San Gabriel’s pre-Title 24 homes were built with the assumption that leaky attics were acceptable, so top plates were left unsealed, can lights were installed without airtight housings, and duct boots were cut into drywall with gaps large enough to pass a flashlight beam. In the summer heat basin, those leaks pull 150°F attic air directly into conditioned space every time the system runs. We perform Attic Air Sealing as a standalone service or hard prerequisite to any insulation work, with before-and-after blower-door numbers on every job.
Top Plate & Penetration Sealing
Signs you need it
Your blower-door test shows excessive air leakage, you feel drafts from ceiling fixtures or outlets on exterior walls, or infrared imaging reveals cold spots along ceiling perimeters in winter or hot spots in summer.
What it costs in San Gabriel
Top plate and penetration sealing in San Gabriel - including all wall-to-ceiling joints, wire and pipe penetrations, and chase openings - typically runs $1,800-$3,400 for a 1,500-square-foot home with accessible attic space.
How we do it
We access the attic, locate all top plates and penetrations with blower-door-assisted smoke testing, seal with fire-rated caulk and rigid foam, then retest to document the CFM50 reduction in your written record.
Can Light & Duct Boot Sealing
Signs you need it
You see dust streaking around ceiling can lights, feel conditioned air escaping around vent covers, or measure temperature differences of more than 5°F between supply registers in the same room.
What it costs in San Gabriel
Can light and duct boot sealing in San Gabriel - including airtight box installation over non-IC fixtures and mastic sealing of all duct-to-boot connections - typically costs $1,200-$2,600 depending on fixture count and duct configuration.
How we do it
We install fire-rated airtight boxes over each can light, seal duct boots with mastic and mesh, verify with blower-door and duct-blaster testing where applicable, and photograph every sealed connection for your documentation.
What Attic Air Sealing Costs in San Gabriel
| Item | Typical range in San Gabriel |
|---|---|
| Top plate and penetration sealing | $1,800 - $3,400 |
| Can light and duct boot sealing | $1,200 - $2,600 |
| Full attic air sealing (comprehensive) | $2,800 - $5,200 |
Will air sealing alone lower my energy bills?
Yes, attic air sealing in San Gabriel typically reduces heating and cooling loads by 15-25% before any insulation is added, because it stops the direct exchange of conditioned and attic air - we document this with before-and-after blower-door readings on every job. Call (213) 474-3828 for a written price and projected CFM50 target.
Do I need to remove insulation to air seal?
Not necessarily - we can often air seal through existing insulation by moving it aside, sealing the deck, and replacing it uniformly; if insulation is contaminated or compressed, we price removal separately and never add new material over an unsealed surface.
Wall Insulation in San Gabriel
San Gabriel’s 1940s-1960s stucco bungalows and ranch homes were built with empty wall cavities - no insulation, no attempt at thermal break - and decades of additions have made the problem worse, not better. In the Mission district and along Las Tunas Drive, we still find 1970s room additions where drywall was hung directly against original exterior stucco with no framing cavity insulation at all. We perform Wall Insulation using injection foam and drill-and-fill methods that don’t require interior demolition.
Injection Foam Wall Insulation
Signs you need it
Specific rooms stay 10-15°F hotter than others in summer, your exterior walls feel warm to the touch on hot days, or you have no insulation in walls confirmed by outlet removal or thermal imaging.
What it costs in San Gabriel
Injection foam wall insulation in San Gabriel - dense-pack cellulose or slow-rise foam injected through exterior holes - typically runs $3,200-$6,400 for a 1,500-square-foot home depending on cavity depth and stucco repair requirements.
How we do it
We drill 2-inch holes through stucco at stud-bay spacing, inject material to verified density with a fill tube, patch and color-match stucco, and provide thermal imaging documentation showing cavity fill and reduced surface temperature.
Drill & Fill Wall Insulation
Signs you need it
Your home has empty wall cavities with some existing but settled or degraded insulation, or you need targeted treatment for additions that were never properly insulated during original construction.
What it costs in San Gabriel
Drill-and-fill wall insulation in San Gabriel - removing degraded material and dense-packing new cellulose or fiberglass - typically costs $2,800-$5,400 for partial-home treatment or $4,200-$8,200 for complete envelope fill.
How we do it
We verify cavity conditions with borescope inspection, drill access holes at strategic locations, extract degraded material if present, dense-pack new insulation to proper density, seal all penetrations, and document with before-and-after thermal images.
What Wall Insulation Costs in San Gabriel
| Item | Typical range in San Gabriel |
|---|---|
| Injection foam (complete home) | $3,200 - $6,400 |
| Drill-and-fill (partial home) | $2,800 - $5,400 |
| Drill-and-fill (complete home) | $4,200 - $8,200 |
Will wall insulation damage my stucco?
We drill 2-inch holes and patch with color-matched stucco - the repair is visible up close but blends at normal viewing distance; we photograph every patch location so you know where work was performed. In San Gabriel’s textured stucco, repairs are typically less conspicuous than on smooth finishes.
Can you insulate walls from inside instead?
Yes, when exterior access is impractical or stucco is historic - we remove baseboards, drill at floor level, inject insulation upward, and restore trim; this costs roughly 20-30% more due to interior protection and finish repair, and we price both methods in our written scope.
Attic Cleaning & Rodent Proofing in San Gabriel
San Gabriel’s mature tree canopy and older housing stock create ideal conditions for roof rat and squirrel access - gnawed fascia boards, unscreened vents, and gaps where stucco meets eave lines that have gone unmaintained for decades. Once inside, rodents compress insulation for nesting, contaminate it with urine and droppings, and create thermal bypasses that undermine any energy investment. We perform Attic Cleaning & Rodent Proofing with full containment, enzyme sanitizing, and mechanical exclusion that targets every entry point.
Attic Sanitizing & Decontamination
Signs you need it
You hear scratching at night, find droppings in the attic or insulation, smell ammonia or musty odors from ceiling areas, or see insulation displaced into tunnel-like formations.
What it costs in San Gabriel
Attic sanitizing and decontamination in San Gabriel - including HEPA vacuuming, enzyme treatment of all surfaces, and disposal of contaminated material - typically runs $2,400-$4,600 for a standard attic with moderate contamination.
How we do it
We establish containment with negative air pressure, remove contaminated insulation and debris, HEPA-vacuum all surfaces, apply enzyme sanitizer to break down organic material, and photograph the cleaned deck before any restoration work is priced.
Rodent Proofing & Exclusion
Signs you need it
You have recurring rodent activity despite trapping, see gnaw marks around roof vents or fascia, or find gaps larger than 1/4 inch at eave lines, pipe penetrations, or chimney flashing.
What it costs in San Gabriel
Rodent proofing and exclusion in San Gabriel - sealing all entry points with rodent-resistant materials and installing proper vent screens - typically costs $1,800-$3,400 for a single-story home with standard roof complexity.
How we do it
We inspect the roof perimeter, eaves, vents, and foundation with the homeowner present when possible, seal all gaps with steel mesh and concrete patch, install chew-proof vent screens, and provide a written warranty on exclusion work with photo documentation.
What Attic Cleaning & Rodent Proofing Costs in San Gabriel
| Item | Typical range in San Gabriel |
|---|---|
| Attic sanitizing and decontamination | $2,400 - $4,600 |
| Rodent proofing and exclusion | $1,800 - $3,400 |
| Attic restoration (cleaning + new insulation) | $4,200 - $7,800 |
How do I know rodents won’t come back?
Our exclusion work in San Gabriel carries a written warranty - we seal every entry point larger than 1/4 inch with rodent-proof materials, not foam or caulk that rats chew through, and we photograph each sealed location so you can verify the work. If rodents return through our sealed points, we return at no charge.
Is rodent damage covered by homeowners insurance?
Most policies exclude rodent damage as a maintenance issue, but some cover the decontamination and insulation replacement if it follows a covered peril like a roof leak - we document everything with photos and written scope to support your claim if applicable, and we work with your adjuster directly when requested.
Home Energy Audit in San Gabriel
A home energy audit in San Gabriel reveals why specific rooms run hot, why cooling bills spike in August, and whether the money you’re considering spending on insulation will actually solve the problem. In 1940s-1960s homes with patchwork additions, the audit often finds that the worst-performing room has an unsealed top plate or missing wall insulation rather than an attic issue at all. We perform Home Energy Audit services with every diagnostic tool in the building science toolkit, and we provide a written priority list with prices for each recommended measure.
Blower Door Test
Signs you need it
Your home feels drafty, your HVAC runs excessively, or you’re planning insulation work and want to verify air leakage before and after to prove the investment worked.
What it costs in San Gabriel
A standalone blower-door test in San Gabriel - pressurizing the home to measure CFM50 and locate leaks - typically costs $350-$650, or is included at no charge when bundled with a full energy audit or insulation proposal.
How we do it
We install a calibrated fan in an exterior door, depressurize the house to 50 Pascals, measure total airflow, then use smoke pencils and infrared cameras to locate and photograph every significant leak with a written priority ranking.
Thermal Imaging Inspection
Signs you need it
You have uneven temperatures room-to-room, suspect missing insulation in walls or ceilings, or want documentation of conditions before and after any envelope work.
What it costs in San Gabriel
Thermal imaging inspection in San Gabriel - interior and exterior scan with written report and images - typically runs $450-$850 as a standalone service, or is included in our full energy audit package.
How we do it
We scan all building surfaces with a FLIR camera during controlled temperature differential conditions, mark thermal anomalies on floor plans, interpret findings with blower-door data, and deliver a written report with prioritized recommendations and pricing.
What Home Energy Audit Costs in San Gabriel
| Item | Typical range in San Gabriel |
|---|---|
| Blower-door test (standalone) | $350 - $650 |
| Thermal imaging inspection | $450 - $850 |
| Full home energy audit (comprehensive) | $650 - $1,400 |
What does a home energy audit include in San Gabriel?
Our full audit includes blower-door testing, thermal imaging, combustion safety checks, insulation depth measurement, duct leakage testing when accessible, and a written report with prioritized recommendations and fixed prices for each measure - all under Haven Standard documentation requirements.
Should I get an audit before insulating my attic?
Yes - in San Gabriel’s patchwork housing stock, we’ve found that 30-40% of comfort complaints trace to wall or duct issues rather than attic insulation, and an audit prevents spending money on the wrong fix; we apply your audit fee toward any work we perform within 90 days.
Brands We Service in San Gabriel
We install Owens Corning fiberglass, Johns Manville mineral wool, and GreenFiber cellulose, with spray foam from Demilec and Icynene - no proprietary product lock-in means we specify what performs for your specific condition. Most materials are stocked locally through Los Angeles distribution, so San Gabriel jobs rarely wait on product delivery. See our brands for full specifications and warranty terms.
Pricing for Insulation in San Gabriel, CA
| Service | Typical range in San Gabriel |
|---|---|
| Crawl space vapor barrier | $1,800 - $3,400 |
| Full crawl space encapsulation | $3,200 - $6,800 |
| Attic radiant barrier | $1,400 - $2,800 |
| Radiant barrier with ventilation | $2,200 - $4,200 |
| Contaminated insulation removal | $2,600 - $4,800 |
| Insulation replacement with air sealing | $3,400 - $6,200 |
| Full attic air sealing | $2,800 - $5,200 |
| Injection foam wall insulation | $3,200 - $6,400 |
| Attic sanitizing and decontamination | $2,400 - $4,600 |
| Full home energy audit | $650 - $1,400 |
Prices in San Gabriel run higher when we encounter unpermitted additions with irregular framing, extensive rodent damage requiring full deck replacement, or vermiculite insulation requiring abatement coordination. Every job still begins with a written price - flat, itemized, and signed before anyone lifts a tool - under Haven Standard Clause 1.
Neighborhoods We Serve in San Gabriel
Our crews work throughout San Gabriel with dispatch coordinated from our Los Angeles office, typically arriving within scheduled windows for all neighborhoods listed. Response times average same-day to next-day for standard appointments, with emergency calls answered by a live person 24/7.
- Mission District (near San Gabriel Mission)
- North San Gabriel (Las Tunas Drive corridor)
- San Marino border area (Huntington Drive)
- Valley Boulevard commercial-residential mix
- Del Mar Avenue corridor
Service Area - Cities Near San Gabriel
We serve San Gabriel directly and regularly work in neighboring communities including Alhambra, CA, Pasadena, CA, El Monte, CA, and South Pasadena, CA. Crews are dispatched from our Los Angeles coordination office, so San Gabriel Valley jobs share material availability and scheduling priority with our core metro service area.
Serving San Gabriel, CA - Our Local Coverage Area
We’re based in the San Gabriel 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 San Gabriel
Most attic insulation and air sealing in San Gabriel does not require a permit, but wall insulation, spray foam in occupied spaces, and any work involving structural modification or electrical relocation does - we pull permits when required and include the cost in your written price, never as a surprise add-on.
We typically schedule standard insulation and air sealing appointments within 2-5 business days in San Gabriel, with same-day service available for urgent conditions like failed crawl space encapsulation or active rodent contamination; emergency calls are answered by a live person, never voicemail.
Most San Gabriel HOAs do not regulate interior insulation work, but exterior modifications like stucco drilling for wall insulation or roof-mounted radiant barriers may require architectural committee approval - we photograph existing conditions and provide technical specifications for your HOA packet at no extra charge.
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 1-hour.
- 4You approve before work beginsNothing starts until you say go.
What San Gabriel Customers Say
"They photographed rodent damage in the old insulation that we had no idea about, and priced the exclusion work separately so we could decide."
- Harriet N."Crawl space encapsulation done properly. Photographs of the vapour barrier at every seam, and the damp smell in the hallway is gone."
- Ainsley P."They air-sealed the attic floor before insulating and showed me the blower-door number before and after. The upstairs is finally the same temperature as downstairs."
- Marisol D.