Recently Asked Questions
Browse the latest insulation questions from New Brunswick homeowners.
What is the typical timeline for a full basement insulation project in Fredericton?
A full basement insulation project in Fredericton typically takes 3-7 days for professional installation, depending on b...
How can you tell if fibreglass batt insulation in a Fredericton home has absorbed moisture and lost R-value versus mineral wool batts in the same condition?
Fibreglass and mineral wool batts react very differently to moisture exposure, and the visual and performance clues are...
How long does it take to insulate all the exterior walls in a 1,200 sq ft Bathurst bungalow with batt insulation?
For a typical 1,200 sq ft Bathurst bungalow, professional batt insulation of all exterior walls takes 1-2 days, while a...
How does a variable-permeance smart vapour barrier compare to a standard 6-mil polyethylene barrier in New Brunswick's mixed climate?
Smart vapour barriers (variable-permeance membranes like MemBrain) offer significant advantages over standard 6-mil poly...
How does a New Brunswick winter energy audit differ from a summer audit in terms of what heat loss problems it can detect in a Fredericton home?
A winter energy audit in Fredericton reveals heat loss problems that are completely invisible during summer months, maki...
Do the coastal winds along the Fundy Shore near Sussex increase heat loss through wall insulation compared to inland New Brunswick homes?
Yes, coastal winds along the Fundy Shore near Sussex can significantly increase heat loss, but the mechanism is more com...
What are the risks of a DIY basement insulation project in a Saint John home with an older rubble stone foundation?
DIY basement insulation in an older Saint John rubble stone foundation carries significant risks of moisture damage, str...
How many hours does a professional air sealing job typically take in a Campbellton detached home?
A professional air sealing job in a typical Campbellton detached home takes 6-12 hours of work time, usually completed o...
Which insulation material offers the best long-term cost-per-R-value in New Brunswick when factoring in installation, lifespan, and available rebates?
Blown-in cellulose consistently offers the best long-term cost-per-R-value in New Brunswick when you factor in installat...
What NB Efficiency rebates are available for upgrading attic insulation in a Rothesay home?
NB Power offers rebates up to $1,000 for attic insulation upgrades through their Total Home Energy Savings Program, and...
What is the material cost difference between R-20 and R-24 fibreglass batt insulation for a 1,600 sq ft home in Dieppe NB?
The material cost difference between R-20 and R-24 fibreglass batts for a 1,600 sq ft home in Dieppe is approximately $2...
What is the difference in air-sealing performance between spray foam and acoustical sealant caulk for rim joist insulation in Fredericton homes?
Spray foam provides dramatically superior air sealing performance compared to acoustical sealant caulk for rim joist ins...
Does insulating a mobile home or manufactured home in New Brunswick differ from insulating a stick-built house?
Yes, insulating a mobile home in New Brunswick requires significantly different approaches than stick-built homes due to...
Do insulation upgrade costs in New Brunswick tend to rise in fall as contractors get booked up before winter, and is there a cheaper off-season window to book work?
Yes, insulation upgrade costs in New Brunswick typically increase 10-20% from September through November as homeowners s...
What tools do I need to install batt insulation in the knee walls of my Moncton split-level home?
Installing batt insulation in knee walls is a manageable DIY project that requires basic tools, proper safety equipment,...
Should I hire a dedicated insulation company or a general contractor to insulate my attic in Miramichi?
For attic insulation in Miramichi, a dedicated insulation contractor is typically your best choice — they have specializ...
When during the year do insulation contractors in Oromocto tend to have the shortest wait times?
Insulation contractors in Oromocto typically have the shortest wait times during late winter (February-March) and mid-su...
How does dense-pack mineral wool compare to dense-pack cellulose for insulating existing wall cavities in older Fredericton homes?
Dense-pack cellulose is the clear winner for wall cavity retrofits in older Fredericton homes, offering superior air sea...
How many days does a full attic batt insulation replacement take in a Riverview split-level house?
A full attic batt insulation replacement in a typical Riverview split-level home takes 1-3 days for professional install...
Is a building permit required to spray foam insulate my crawl space in Fredericton NB?
In most cases, you will NOT need a building permit to spray foam insulate an existing crawl space in Fredericton. Crawl...
How much extra does it cost to upgrade attic insulation from the NB code minimum to the R-50 level recommended for optimal energy performance in Fredericton's climate zone?
The NB Building Code minimum for attic insulation is already R-50, so upgrading to R-50 doesn't cost extra — it's meetin...
Can I install an air barrier and vapour barrier myself in my Fredericton home addition or does it need a professional?
Installing air barriers and vapour barriers is technically possible as a DIY project, but the margin for error is extrem...
What are the NB Building Code requirements for vapour barriers when air sealing a Caraquet home?
New Brunswick Building Code requires a vapour barrier with a permeance rating of 60 nanograms or less (typically 6-mil p...
Does the Maritime climate in Saint John make open-cell or closed-cell spray foam a better choice for exterior walls?
For Saint John's Maritime climate, closed-cell spray foam is the superior choice for exterior walls due to its vapour ba...
How long does spray foam insulation take to fully cure in the cold climate of Perth-Andover before interior work can continue?
Spray foam insulation in Perth-Andover typically takes 24-48 hours to fully cure in winter conditions, but interior work...
What NB Building Code requirements govern vapour barrier installation when re-insulating walls in Grand Falls?
The NB Building Code requires a vapour barrier with a permeance rating of 60 ng/(Pa·s·m²) or less on the warm (interior)...
How difficult is it to insulate a New Brunswick basement with a low ceiling height as a DIY project versus hiring a contractor?
Insulating a low-ceiling NB basement is challenging DIY work that becomes significantly more difficult as ceiling height...
How does spray foam insulation compare to blown-in cellulose for soundproofing interior walls in a Saint John rowhouse?
For soundproofing interior walls in a Saint John rowhouse, open-cell spray foam provides superior noise reduction compar...
What does a proper vapour barrier installation quote look like from a contractor in Grand Falls, NB?
A proper vapour barrier installation quote from a Grand Falls contractor should include detailed material specifications...
Does high coastal humidity near Shediac cause blown-in cellulose insulation to clump or settle faster than in drier inland areas?
Coastal humidity near Shediac does not significantly accelerate cellulose settling compared to inland NB locations, but...
How does prolonged spring thaw in the Saint John River Valley affect the moisture resistance of rigid foam board on basement walls?
The Saint John River Valley's prolonged spring thaw creates unique moisture challenges for basement insulation, particul...
What should a homeowner in Saint John expect during a professional home energy audit and is the cost worth it?
A professional home energy audit in Saint John typically costs $400-$600 and provides a detailed roadmap for reducing yo...
What questions should I ask a blown-in insulation contractor before work begins in Dieppe?
Before hiring a blown-in insulation contractor in Dieppe, ask specific questions about their experience, methods, and gu...
What permits are needed to insulate the exterior walls of an older home in Edmundston NB?
For most exterior wall insulation methods in Edmundston, you typically won't need a building permit — but this depends e...
Is rigid foam board insulation a good choice for the exterior of a Bathurst home that experiences repeated freeze-thaw cycles each winter?
Rigid foam board can be an excellent choice for exterior insulation in Bathurst, but the type of foam and installation d...
Are mini homes in New Brunswick built with adequate insulation, and what upgrades are typically needed?
Most mini homes in New Brunswick are built with minimal insulation that falls well short of what's needed for our Climat...
What permits are required to remediate and replace mould-damaged insulation in a Saint John NB home?
Mould remediation and insulation replacement in Saint John typically does not require a building permit, but there are i...
What NB provincial rebates or Efficiency NB programs are currently available for insulation upgrades in 2025?
New Brunswick's main insulation rebate program is the NB Power Total Home Energy Savings Program, which offers up to $5,...
What is the minimum R-value required by the NB Building Code for exterior walls in a new Fredericton home?
The NB Building Code requires R-22 to R-28 effective thermal resistance for above-grade exterior walls in new constructi...
How many days does it take to complete a full attic insulation removal and replacement in a Caraquet home?
A full attic insulation removal and replacement in a Caraquet home typically takes 2-4 days for a professional crew, dep...
How does a blower door test result compare before and after adding rigid foam continuous insulation to an older Moncton home exterior?
A blower door test on an older Moncton home will typically show a dramatic improvement after adding continuous rigid foa...
What are the consequences of incorrectly placing a vapour barrier in a Moncton home during a DIY insulation project?
Incorrectly placing a vapour barrier in a Moncton home can cause catastrophic moisture damage, including hidden mould gr...
Should I schedule my blown-in attic insulation before or after a New Brunswick winter in Edmundston?
Schedule your blown-in attic insulation before winter — ideally in late summer or early fall (August through October). I...
Can I install rigid foam board insulation on the exterior of my Fredericton house myself or does it require a professional?
Installing rigid foam board on the exterior of your house is technically possible as a DIY project, but it's a complex u...
What insulation should I use in a detached workshop or barn on a rural property outside Moncton?
The best insulation for your workshop depends on whether you plan to heat it regularly, but for most rural NB workshops,...
Is rigid foam board insulation suitable for insulating the exterior walls of a heritage-designated building in Saint John's uptown?
Rigid foam board can work for heritage buildings, but exterior application often conflicts with heritage designation req...
Does a rigid foam board insulation contractor in Edmundston need to be licensed or insured under NB regulations?
Rigid foam board insulation contractors in Edmundston are not required to hold specific trade licenses for insulation wo...
How do I know if the insulation in my 1970s Bathurst home is causing my high heating bills?
Your 1970s Bathurst home almost certainly has inadequate insulation that's driving up your heating bills. Most homes bui...
Do I need a permit to air seal and insulate the rim joists in my Hartland NB home?
No, you typically do not need a permit to air seal and insulate rim joists in your Hartland home. This type of insulatio...
What skill level is required to properly dense-pack blown-in insulation into finished wall cavities in a Dieppe home?
Dense-pack wall insulation requires professional-level skills and equipment — this is not a DIY project. While some buil...
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