Insulation in Plymouth, MN
Most Plymouth homes built between 1975 and 1995 are running on insulation that was never right for a Minnesota winter, let alone a -16°F cold snap. Crawl space encapsulation and vapor barrier work in Plymouth usually means correcting moisture problems in homes where original fiberglass batts and open vented crawls have been failing quietly for decades. Whether you’re fighting cold floors above a garage, recurring ice dams, or a crawl space that smells like a basement after rain, call Walt’s Insulation at (866) 751-4428 and a live person answers, day or night.
Why Plymouth Homes Are Different
Plymouth’s single-vintage housing stock is the main thing that changes how we approach insulation here. The build-out concentrated east of I-494 and around Parkers Lake, Kingsview, and the neighborhoods radiating off County Road 6 produced thousands of homes within a ten-to-fifteen-year window. They were framed with 2×4 walls, insulated to R-13 at the walls and R-19 in the attic when those numbers were barely adequate. Minnesota’s Climate Zone 6 design temperatures now demand R-49 to R-60 in attics. That’s the gap between what’s up there and what should be.
The open, flat western sections of Plymouth make wind-driven air infiltration a bigger deal than it looks on paper. Air pushes against sill plates and rim joists all winter, moving through every unsealed seam in the floor system. The tuck-under and side-entry garages common in this housing era add another layer: garage ceilings under living space are often completely uninsulated, which is why so many Plymouth homeowners describe the room above the garage as the coldest one in the house. Cathedral and vaulted ceiling sections from the 1980s packed with fiberglass batts and no ventilation channel are another recurring find. When we pull back sheathing on those, moisture damage tells the story.
Our Main Plymouth Services
Two jobs come up on nearly every Plymouth call list: attics that are under-insulated or air-leaking, and crawl spaces that have never been encapsulated. Here’s what each involves in this city.
Attic Insulation in Plymouth
Attics in Plymouth’s 1975-1995 homes are nearly always the first place heat leaves. Original R-19 batts, recessed can lights that leak air, and bathroom fans venting straight into the attic are the standard finds. The fix is air sealing first, then blowing insulation to R-49 or better. For the full breakdown of attic work in Plymouth, see Attic Insulation in Plymouth.
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.
Crawl Space Encapsulation & Vapor Barrier in Plymouth
Plymouth crawl spaces behave badly for two reasons: the homes are old enough to have vented foundation walls and unsealed dirt floors, and the region’s cold, dry winters followed by humid summers keep a moisture cycle running through those spaces year-round. Encapsulation means sealing the floor and walls with a heavy vapor barrier, closing the vents, and conditioning the space so humidity stays below the mold threshold. This is the primary fix for standing water, rusted HVAC ducting, sagging fiberglass batts falling out of the floor joists, and that earthy smell that rises into the house every summer. For the complete overview of this service, see Crawl Space Encapsulation & Vapor Barrier.
Crawl Space Vapor Barrier
Signs you need it
Exposed dirt on the crawl space floor, visible water stains on the foundation walls, condensation on ductwork and floor joists, or a musty smell in the rooms above the crawl.
What it costs in Plymouth
In Plymouth, a crawl space vapor barrier typically lands between $1,500 and $4,000 depending on square footage and access.
How we do it
We lay a heavy polyethylene liner across the floor, run it up the walls, seal every seam with tape and mechanical fasteners, and cut it tight around piers and plumbing.
Crawl Space Encapsulation
Signs you need it
Recurring high humidity, mold on floor joists, insect activity, or utilities and storage items rusting in the crawl. Encapsulation is the full-system version of a vapor barrier.
What it costs in Plymouth
Full crawl space encapsulation in Plymouth ranges from $7,000 to $15,000 depending on square footage and whether we include a dehumidifier and sump pump.
How we do it
We seal vents, install the barrier on floor and walls, insulate the perimeter walls as needed, and add a dehumidifier where the space calls for it.
Crawl Space Insulation
Signs you need it
Cold floors in winter, frozen pipes in the crawl, or old fiberglass batts that have fallen between joists and are holding moisture against the subfloor.
What it costs in Plymouth
Crawl space insulation in Plymouth typically falls between $1.50 and $3.00 per square foot depending on material and depth.
How we do it
For vented crawls, we fit rigid foam or closed-cell spray foam to the rim joist and perimeter walls. For encapsulated crawls, we insulate the walls rather than the floor to keep the space conditioned.
What Crawl Space Encapsulation & Vapor Barrier Costs in Plymouth
| Item | Typical range in Plymouth |
|---|---|
| Crawl space vapor barrier | $1,500 - $4,000 |
| Full encapsulation | $7,000 - $15,000 |
| Crawl space insulation | $1.50 - $3.00 per square foot |
| Vapor barrier repair | $800 - $2,500 |
Does my Plymouth crawl space need encapsulation or just a vapor barrier?
A vapor barrier on the floor handles ground moisture. Encapsulation also seals the walls, vents, and rim joists to control humidity throughout the space. If your crawl has open vents and musty air reaching the living space, encapsulation is usually the correct call in Plymouth.
How long does crawl space encapsulation take in Plymouth?
Most Plymouth crawl space encapsulations take two to three days from start to finish. Larger crawls or ones needing dehumidifier and drainage work can run longer. Call (866) 751-4428 for a site visit and an exact timeline.
Spray Foam Insulation in Plymouth
Spray foam earns its cost in Plymouth because it handles air leakage and insulation in one pass, and in a 1980s house with rim joists open to the outdoors and garage ceilings that never got insulated, that matters. Closed-cell foam sets up an air and vapor barrier at the rim joist, the single most beneficial spot we treat in Plymouth basements. Open-cell foam fits attics and roof decks where we also want sound control and a lower cost per square foot. For the full breakdown, see Spray Foam Insulation.
Closed-Cell Spray Foam
Signs you need it
Frost on rim joists in winter, cold drafts along the basement ceiling perimeter, or any area that needs both air sealing and a vapor barrier at the same time.
What it costs in Plymouth
Closed-cell spray foam in Plymouth runs $2.50 to $5.50 per board foot installed, with rim joist work at the tighter end of that range in most homes.
How we do it
After cleaning and prepping the surface, we spray foam into the rim joist bays or onto foundation walls at the specified depth, then trim any over-spray flush.
Rim Joist Spray Foam
Signs you need it
Cold basement, drafts at the sill plate, frost or dampness where the foundation meets the wood framing, or rodent entry points along the rim.
What it costs in Plymouth
Rim joist spray foam in a typical Plymouth home runs $1,500 to $3,500 depending on linear footage and joist depth.
How we do it
We clear insulation from each joist bay, spray closed-cell foam to a minimum depth, and install a thermal barrier where local code requires it.
What Spray Foam Insulation Costs in Plymouth
| Item | Typical range in Plymouth |
|---|---|
| Closed-cell spray foam | $2.50 - $5.50 per board foot |
| Open-cell spray foam | $1.25 - $2.75 per board foot |
| Rim joist spray foam | $1,500 - $3,500 |
| Garage ceiling spray foam | $1,800 - $4,200 |
Is spray foam safe in a Plymouth home?
Yes, when installed by trained technicians using proper protective equipment. The house should be vacated during installation and for the manufacturer’s specified re-entry time. We handle that scheduling with you up front.
Can you spray foam a Plymouth garage ceiling from underneath?
Yes, and we do it often. Tuck-under garages with uninsulated ceilings above are standard in Plymouth’s 1980s housing stock. Closed-cell foam applied to the underside of the garage ceiling stops the cold floor problem and air-seals the assembly in one step. Call (866) 751-4428 for a quote specific to your garage.
Blown-In Insulation in Plymouth
Blown-in insulation is the most practical retrofit for Plymouth homes because the existing attics are open enough to work in and the material cost per R-value is lower than foam. Most attics we see here are sitting at R-19 or less when Minnesota code now calls for R-49 to R-60. Blown-in fiberglass or cellulose brings that up in one day. For the full scope of work, see Blown-In Insulation.
Blown-In Cellulose
Signs you need it
Uneven attic coverage, high heating bills, or an attic where the existing insulation has settled to the top of the ceiling joists. Cellulose is a good fit for dense coverage over existing batts.
What it costs in Plymouth
Blown-in cellulose in Plymouth runs $1.25 to $2.75 per square foot depending on depth and whether we are topping up or starting from near zero.
How we do it
We air-seal the attic floor first, then blow cellulose through a hose to the target depth across the entire attic, keeping it even with rakes and checking depth markers.
Blown-In Fiberglass
Signs you need it
Open attic access, need for high R-value with lighter material weight, or an existing mix of old fiberglass batts that can be topped up without removal.
What it costs in Plymouth
Blown-in fiberglass in Plymouth runs $1.50 to $3.00 per square foot installed to R-49 or better in a typical attic.
How we do it
We lay out depth markers, blow fiberglass to R-49 or above, and keep baffles clear at the eaves so ventilation still works through the soffits.
What Blown-In Insulation Costs in Plymouth
| Item | Typical range in Plymouth |
|---|---|
| Blown-in cellulose | $1.25 - $2.75 per square foot |
| Blown-in fiberglass | $1.50 - $3.00 per square foot |
| Dense-pack wall insulation | $2.00 - $4.00 per square foot |
| Blown-in top-up | $800 - $2,500 |
How much insulation does a Plymouth attic need in 2026?
Minnesota’s current code calls for R-49 to R-60 in attics. Most Plymouth attics from the 1980s and 1990s are sitting at R-19 to R-30, so a top-up to R-49 or beyond is the standard scope here.
Can you top up blown-in insulation without removing the old stuff?
Yes, if the existing insulation is dry, not rodent-contaminated, and not packed into ventilation channels. We inspect first, then blow new material over the old to reach the target depth. Call (866) 751-4428 if you want an inspection and a straight answer.
Radiant Barrier Installation in Plymouth
Radiant barrier is a specific tool for Plymouth homes where summer heat loads are the complaint: second-story rooms that won’t cool down in July, attics baking in direct sun, and AC units running long cycles. A radiant barrier reflects heat before it enters the attic assembly, which reduces what the insulation below has to work against. It’s a supplemental measure, not a replacement for proper R-value. For the full scope, see Radiant Barrier Installation.
Attic Radiant Barrier
Signs you need it
Upstairs bedrooms running five to ten degrees warmer than the main floor in summer, attic temperatures hitting 130°F or higher, or an AC that runs constantly on hot afternoons.
What it costs in Plymouth
Attic radiant barrier in Plymouth runs $1.50 to $3.00 per square foot installed, with most homes falling in the middle of that range.
How we do it
We staple a reflective foil across the underside of the roof rafters, leaving the ridge and soffit vents open and keeping an air gap on the reflective side.
Radiant Barrier & Ventilation
Signs you need it
Hot attic air that lingers, inadequate soffit or ridge venting, or radiant barrier installed but no plan for moving the heat that does get through.
What it costs in Plymouth
Radiant barrier paired with ventilation upgrades in Plymouth runs $4,000 to $8,000 depending on attic size and the venting work required.
How we do it
We evaluate the existing soffit, ridge, and gable vents, build a ventilation plan, then install the barrier and any needed venting so the attic moves air rather than collecting it.
What Radiant Barrier Installation Costs in Plymouth
| Item | Typical range in Plymouth |
|---|---|
| Attic radiant barrier | $1.50 - $3.00 per square foot |
| Radiant barrier foil | $0.75 - $1.50 per square foot |
| Radiant barrier roof deck | $2.00 - $4.00 per square foot |
| Radiant barrier & ventilation | $4,000 - $8,000 |
Does radiant barrier work in a Minnesota winter?
Radiant barrier reduces summer heat gain, not winter heat loss. In Plymouth’s climate, it helps most from June through September. For winter performance, air sealing and insulation depth are what matter.
Can radiant barrier be added to any Plymouth attic?
Most Plymouth attics can take a radiant barrier, but cathedral and vaulted sections with no air gap need special handling. We inspect the roof assembly before recommending anything. Call (866) 751-4428 to schedule that inspection.
Insulation Removal & Replacement in Plymouth
Insulation removal in Plymouth is usually driven by one of three things: rodent activity that has contaminated the attic, old batts that are wet and moldy from ice dams, or a homeowner who wants upgraded material before air sealing can be done right. Homes built in the 1980s with original fiberglass often have compromised attic insulation after forty Minnesota winters. For the full process, see Insulation Removal & Replacement.
Attic Insulation Removal
Signs you need it
Wet or moldy batts, rodent droppings and trails through the insulation, or insulation so matted and settled it no longer has meaningful R-value.
What it costs in Plymouth
Attic insulation removal in Plymouth runs $2.50 to $5.00 per square foot depending on depth, material, and access through a gable or interior hatch.
How we do it
We vacuum out the old material through a large-diameter hose into a containment bag, then clean the attic floor and prep it for air sealing and new insulation.
Contaminated Insulation Removal
Signs you need it
Squirrel or raccoon droppings, urine odor that persists, mold growth on batts, or pest control that has already trapped the animals and left the mess behind.
What it costs in Plymouth
Contaminated insulation removal in Plymouth costs $3.00 to $6.00 per square foot due to the protective protocols and handling required.
How we do it
We contain the attic, use HEPA-filtered extraction, remove all contaminated material to a licensed disposal facility, then sanitize the space before new insulation goes in.
What Insulation Removal & Replacement Costs in Plymouth
| Item | Typical range in Plymouth |
|---|---|
| Attic insulation removal | $2.50 - $5.00 per square foot |
| Contaminated insulation removal | $3.00 - $6.00 per square foot |
| Vermiculite & old insulation removal | $4.00 - $8.00 per square foot |
| Insulation replacement | $2.00 - $5.00 per square foot |
Can you remove insulation from a vaulted ceiling in Plymouth?
Vaulted and cathedral sections are tighter to access but removal is feasible. The cost runs higher per square foot because of the confined rafter bays. We inspect the roof assembly before quoting so we can tell you what’s possible.
Is it cheaper to remove or top up old attic insulation in Plymouth?
Top-up is cheaper if the old insulation is dry and uncontaminated. Removal is the right call when there’s rodent contamination, moisture, or you’re solving a ventilation problem. Call (866) 751-4428 for an honest recommendation based on what’s actually in your attic.
Attic Air Sealing in Plymouth
Air sealing is the first thing a Plymouth attic needs, before insulation gets added on top. In a 1980s home with can lights, a pull-down hatch, and a furnace vent running through the attic, the thermal leaks add up to the equivalent of leaving a window cracked all winter. Sealing those penetrations closes the gaps that would otherwise whistle heat straight out. For the full scope, see Attic Air Sealing.
Attic Floor Air Sealing
Signs you need it
Dust marks or staining on insulation where air moves through it, cold spots on ceilings, or an attic that smells like the living space because air is moving up through the floor.
What it costs in Plymouth
Attic floor air sealing in Plymouth runs $1.50 to $3.00 per square foot including materials and labor.
How we do it
We pull back existing insulation, seal every penetration with foam or caulk, repair any top plate gaps, then reinstall and top up the insulation.
Can Light & Duct Boot Sealing
Signs you need it
Older recessed can lights that vent directly into the attic, warm air leaking around duct boots, or ceiling fixtures that collect condensation in winter.
What it costs in Plymouth
Can light and duct boot sealing in Plymouth ranges from $800 to $2,500 depending on how many penetrations need work.
How we do it
We install airtight covers over non-IC-rated can lights, seal duct boots to the drywall with mastic and foam, and wrap any exposed ductwork.
What Attic Air Sealing Costs in Plymouth
| Item | Typical range in Plymouth |
|---|---|
| Attic floor air sealing | $1.50 - $3.00 per square foot |
| Top plate & penetration sealing | $800 - $2,500 |
| Can light & duct boot sealing | $800 - $2,500 |
| Attic hatch sealing | $200 - $800 |
Does air sealing make a big difference in Plymouth winters?
Yes. In Plymouth’s flat, open terrain, wind pushes against the house from all sides, and every unsealed penetration becomes a leak point. Air sealing typically cuts stack-effect air movement by 30 to 50 percent in homes of this vintage.
Should I air seal before or after adding blown-in insulation?
Before. Once insulation is blown in, sealing becomes far more labor-intensive because crews have to dig through the material to reach the attic floor. The correct sequence is seal first, then insulate. Call (866) 751-4428 to book both as one job.
Wall Insulation in Plymouth
Plymouth’s 2×4 walls with R-13 fiberglass batts were never enough for Climate Zone 6, and forty years of settling has made them worse. Wall insulation here means drilling and filling from the interior or exterior, or injection foam that conforms to the cavity and air-seals as it goes in. For rooms that stay cold despite a fully insulated attic, walls are the usual culprit. For the complete process, see Wall Insulation.
Injection Foam Wall Insulation
Signs you need it
Cold interior walls in winter, drafts that seem to come through the walls themselves, or rooms that never hold heat evenly with the rest of the house.
What it costs in Plymouth
Injection foam wall insulation in Plymouth runs $2.50 to $5.00 per square foot of wall area depending on access and cavity depth.
How we do it
We drill small access holes in the drywall or siding, inject foam into each stud cavity from bottom to top, then patch the holes cleanly and repaint where needed.
Drill & Fill Wall Insulation
Signs you need it
Walls that feel hollow when tapped, high heating bills with a well-insulated attic, or known gaps in the original batt installation.
What it costs in Plymouth
Drill and fill wall insulation in Plymouth ranges from $2.00 to $4.00 per square foot depending on material choice and exterior finish.
How we do it
We drill from the exterior through the siding, blow dense-packed cellulose or fiberglass into each cavity, then plug and seal every hole to match the existing finish.
What Wall Insulation Costs in Plymouth
| Item | Typical range in Plymouth |
|---|---|
| Injection foam wall insulation | $2.50 - $5.00 per square foot |
| Drill & fill wall insulation | $2.00 - $4.00 per square foot |
| Exterior wall insulation | $3.00 - $6.00 per square foot |
| Interior wall soundproofing | $1.50 - $3.00 per square foot |
Can you insulate the walls on a 1980s Plymouth home without removing the drywall?
Yes. Drill and fill from the exterior and injection foam both leave the interior walls intact. We patch the entry holes and match the finish on the way out.
Why is one room in my Plymouth house always cold even with a new furnace?
Usually it’s a wall insulation problem, often paired with an uninsulated garage ceiling below or a rim joist that was never air-sealed. We trace the whole assembly, not just the wall, before recommending a fix. Call (866) 751-4428 for a site visit.
Attic Cleaning & Rodent Proofing in Plymouth
Plymouth’s mature tree canopy and housing density make attic rodent activity a year-round issue. Squirrels find entry at gable vents and roof intersections, mice work up through rim joists, and the mess they leave contaminates insulation and spreads odor. Cleaning starts with removal and sanitation, then we seal every entry point so the problem doesn’t return. For the full process, see Attic Cleaning & Rodent Proofing.
Attic Cleanout
Signs you need it
Rodent droppings, nesting debris, old stored items covered in dust and insulation fibers, or insulation that has been trampled and compressed by animal activity.
What it costs in Plymouth
Attic cleanout in Plymouth runs $800 to $2,500 depending on access, volume of debris, and whether contaminated insulation needs removal.
How we do it
We remove all debris and contaminated material by hand and vacuum, bag everything for disposal, and leave a clean attic substrate ready for air sealing and new insulation.
Rodent Proofing & Exclusion
Signs you need it
Scratching sounds at dawn or dusk, entry points visible at the roofline, droppings reappearing after cleanout, or chewed wiring and duct insulation.
What it costs in Plymouth
Rodent proofing and exclusion in Plymouth ranges from $1,500 to $4,500 depending on the number of entry points and the roofline complexity.
How we do it
We seal every opening with steel mesh, foam, and metal flashing as appropriate, check the entire perimeter, and install new vent covers where the originals have failed.
What Attic Cleaning & Rodent Proofing Costs in Plymouth
| Item | Typical range in Plymouth |
|---|---|
| Attic cleanout | $800 - $2,500 |
| Attic sanitizing & decontamination | $1,200 - $3,500 |
| Rodent proofing & exclusion | $1,500 - $4,500 |
| Attic restoration | $2,500 - $8,000 |
How do squirrels get into Plymouth attics?
Through gable vents, gaps where the roof meets the fascia, and unsealed soffit corners. Once inside, they chew wiring and nest in the insulation. Sealing every accessible entry point after removal is the only way to keep them out for good.
Do you handle the animals or just the insulation?
We clean and sanitize the attic and seal the entry points after a licensed pest control professional has trapped and removed the animals. We’ll coordinate the timing so the two jobs don’t overlap badly. Call (866) 751-4428 and we’ll walk you through the sequence.
Home Energy Audit in Plymouth
A home energy audit in Plymouth looks at the house as one system, not a list of individual problems. Our audits find the actual leakage points, measure insulation depth, test ducts, and give you a prioritized list of what to fix first. For a 1980s home with original insulation and unsealed rim joists, the audit usually confirms what the rooms are already telling you. For the full scope, see Home Energy Audit.
Blower Door Test
Signs you need it
High heating bills, drafts you can feel on windy days, or a house that never holds temperature evenly. A blower door test measures total leakage and locates the worst spots.
What it costs in Plymouth
A blower door test as part of a full Plymouth home energy audit runs $300 to $600.
How we do it
We mount a calibrated fan in an exterior door, depressurize the house, and read pressure differences to establish total air changes per hour, then walk the house to find every leak.
Thermal Imaging Inspection
Signs you need it
Cold walls or ceilings, condensation patterns, or unexplained rooms that never warm up. Thermal imaging shows exactly where insulation is missing or air is moving through the assembly.
What it costs in Plymouth
Thermal imaging as part of a Plymouth home energy audit runs $200 to $500.
How we do it
We scan walls, ceilings, and floors with an infrared camera under depressurization, document the findings, and map them to the fixes in your report.
What Home Energy Audit Costs in Plymouth
| Item | Typical range in Plymouth |
|---|---|
| Blower door test | $300 - $600 |
| Thermal imaging inspection | $200 - $500 |
| Insulation inspection | $150 - $400 |
| Duct leakage test | $300 - $700 |
Is a home energy audit worth it before insulating in Plymouth?
Yes. Without the audit, you’re guessing which part of the house is losing the most energy. With it, you get a prioritized list and a baseline, so you can spend the insulation budget where it makes the biggest difference.
How long does a Plymouth home energy audit take?
Most Plymouth home energy audits run three to five hours on site depending on house size and the tests included. You’ll get a written report with photos, measurements, and recommendations. Call (866) 751-4428 to schedule one.
Brands We Service in Plymouth
We install insulation from Owens Corning, Johns Manville, and Demilec, among others. Materials are stocked locally and sourced from our Minneapolis-St Paul supply network, so turnaround on Plymouth jobs is usually days, not weeks. See our brands for the full manufacturer list.
Pricing for Insulation in Plymouth, MN
| Service | Typical range in Plymouth |
|---|---|
| Crawl space vapor barrier | $1,500 - $4,000 |
| Full crawl space encapsulation | $7,000 - $15,000 |
| Closed-cell spray foam | $2.50 - $5.50 per board foot |
| Rim joist spray foam | $1,500 - $3,500 |
| Blown-in cellulose | $1.25 - $2.75 per square foot |
| Attic radiant barrier | $1.50 - $3.00 per square foot |
| Attic insulation removal | $2.50 - $5.00 per square foot |
| Attic air sealing | $1.50 - $3.00 per square foot |
| Injection foam wall insulation | $2.50 - $5.00 per square foot |
| Blower door test | $300 - $600 |
What pushes price up in Plymouth is access: vaulted ceilings with no attic floor, tuck-under garages that need overhead work, and crawl spaces with low clearance all add labor. That’s why we give upfront pricing before any work starts, so you know the number before we touch anything.
Neighborhoods We Serve in Plymouth
We work throughout Plymouth, from the lake-country neighborhoods on the west side to the older subdivisions near Parkers Lake and Kingsview. Crews stage from our Minneapolis-St Paul office and reach most Plymouth homes same-day or next-day.
- Parkers Lake
- Kingsview
- Wayzata Woods
- Harbor Pointe
- Creek Ridge
Service Area - Cities Near Plymouth
Walt’s Insulation serves Plymouth and the surrounding west metro. If you’re in Minneapolis, MN, Edina, MN, Richfield, MN, or Golden Valley, MN, our crews cover those areas with the same live-answer phone line and the same Done Right Promise.
Serving Plymouth, MN - Our Local Coverage Area
We’re based in the Plymouth 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 Plymouth
How fast can you get to a Plymouth home?
Most Plymouth homes get a site visit within one to two business days. Emergency calls, like a crawl space that’s actively taking on water, get priority. The phone line at (866) 751-4428 is answered by a live person around the clock.
Frequently Asked Questions
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 Plymouth Customers Say
"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"Crawl space was wet every spring. They laid the heavy liner, sealed the vents, and put a dehumidifier down there. Floors are warm and the moisture meter he left reads fine now. He still answers when I text him a reading."
- Devon Pierce"The house had rats in the attic insulation and a smell we could not place. Walt's crew pulled all of it, sealed the gaps where they were getting in, sanitized, and put in new blown-in. He sent photos of the sealed openings so I could see it done."
- Rosa Delgado