Recently Asked Questions
Browse the latest insulation questions from New Brunswick homeowners.
What time of year is best to install rigid foam board on exterior walls in Miramichi?
The best time to install exterior rigid foam on walls in Miramichi is late spring through early fall — roughly May throu...
What red flags should I watch for when hiring a spray foam contractor in Saint John?
Hiring a spray foam contractor in Saint John requires more due diligence than almost any other home improvement trade —...
Does replacing batt insulation in my Quispamsis walls require a building permit?
Replacing batt insulation in your Quispamsis walls does not typically require a building permit — provided you are worki...
Is it worth hiring an insulation contractor for batt insulation in Quispamsis, or can a general handyman do the job?
For most batt insulation projects in Quispamsis, a skilled general handyman can do acceptable work — but the answer depe...
Does adding insulation to interior walls in a Woodstock NB rental property require a permit?
For interior wall insulation in a Woodstock rental property, a building permit is generally not required — but there are...
Can a Moncton homeowner install rigid foam insulation on basement foundation walls themselves to meet NB building code?
Yes, a Moncton homeowner can install rigid foam on basement foundation walls themselves — but meeting NB Building Code r...
How do I air seal and insulate a basement rim joist in an older Moncton home to prevent drafts and moisture?
The rim joist is one of the most impactful and overlooked insulation projects in any older Moncton home — a weekend of w...
How much does it cost to re-insulate interior basement walls with mineral wool batts versus fibreglass batts in a Moncton NB semi-detached home?
For a typical Moncton semi-detached home, expect to pay $2,500–$4,500 for fibreglass batt basement wall insulation insta...
What is the fire rating difference between mineral wool batts and standard fibreglass batts for interior walls in New Brunswick?
Mineral wool batts are significantly more fire resistant than fibreglass batts — mineral wool remains intact and continu...
How long does it take to spray foam the rim joists and basement walls in a Saint John home?
For a typical Saint John home, spray foaming the rim joists takes 2–4 hours, while the basement walls add another 1–2 da...
How do I vet a rigid foam board insulation contractor in Bathurst before signing a contract?
Before signing any contract for rigid foam board insulation in Bathurst, you need to verify insurance, WorkSafeNB covera...
Does rigid foam board insulation thickness significantly affect the cost per square foot for exterior wall sheathing on a new build in Fredericton NB?
Yes, thickness has a meaningful but not linear effect on rigid foam cost per square foot — and for a Fredericton new bui...
Is summer or fall the best time to insulate the walls of an older wood-frame house in Moncton before the heating season starts?
Both summer and fall work well, but summer is the better choice — and here's why timing matters more than most homeowner...
How much does it cost to remove and replace wet or mould-damaged fibreglass batt insulation in a 1,200 sq ft crawl space in Rothesay NB?
Removing and replacing wet or mould-damaged fibreglass batt insulation in a 1,200 sq ft crawl space in Rothesay will typ...
Are there WorkSafeNB regulations that apply to contractors insulating a foundation in Sackville NB?
Yes, WorkSafeNB regulations apply to insulation contractors working on foundation projects in Sackville — and as a homeo...
What is the typical duration of a home energy audit in Sackville, from inspection to receiving the report?
A home energy audit in Sackville typically takes 2-4 hours for the on-site inspection, with the written EnerGuide report...
What spray foam insulation options are available for a multi-unit apartment building in Saint John?
For a multi-unit apartment building in Saint John, you have two primary spray foam options — closed-cell and open-cell —...
Does a home energy audit in New Brunswick need to be done before and after insulation work to qualify for rebates?
Yes — for both the NB Power Total Home Energy Savings Program and the Canada Greener Homes Grant, a pre-retrofit EnerGui...
Are there contractors in Sackville, NB who specialize in both air sealing and insulation, and is that combination better value?
Yes, contractors who combine air sealing and insulation in a single scope of work are absolutely the right call for Sack...
How do current New Brunswick building code R-value requirements account for the province's Maritime climate compared to drier inland Canadian provinces?
New Brunswick's building code R-value requirements reflect Climate Zone 6 conditions — long, cold winters combined with...
Are there specific certifications I should look for when hiring a blown-in insulation contractor in Moncton?
There's no single mandatory certification for blown-in insulation contractors in New Brunswick, but there are several cr...
What insulation upgrades do NB energy auditors most commonly recommend for 1970s-era homes in Fredericton after a full audit?
The most common recommendations energy auditors make for 1970s Fredericton homes are attic air sealing and insulation up...
How do I identify and fix insulation gaps causing cold spots in the walls of my older Saint John home without hiring a contractor?
Cold spots in older Saint John walls almost always come down to two culprits: missing or settled insulation in the wall...
Can a Saint John NB homeowner stack federal Greener Homes grants with provincial insulation rebates, and what is the maximum combined rebate available for a full insulation retrofit?
Yes, Saint John homeowners can stack federal and provincial insulation rebates, and the maximum combined incentive avail...
What insulation approach is best for a New Brunswick home being converted from seasonal to year-round use?
Converting a seasonal cottage or camp to year-round use in New Brunswick is one of the most demanding insulation project...
How long does installing batt insulation in the walls of a new Dieppe home addition typically take?
For a typical new home addition in Dieppe, batt insulation in the walls takes one to two days for a professional crew, o...
What are the most common DIY mistakes homeowners make when adding attic insulation in a Saint John home?
The most common DIY attic insulation mistake in Saint John is adding insulation without air sealing first — and it singl...
Is blown-in insulation a good choice for a new construction home in Dieppe versus a retrofit of an older house?
Blown-in insulation serves different purposes in new construction versus retrofits, and the choice depends on your speci...
How does the NB Building Code R-value requirement for attics differ between a new build in Sussex and a retrofit in Riverview?
The NB Building Code R-value requirement for attics is identical for both new construction in Sussex and retrofits in Ri...
How does the R-value of blown-in mineral wool compare to blown-in cellulose when used to top up attic insulation in a Dieppe home?
Blown-in mineral wool provides R-3.6 to R-4.0 per inch compared to cellulose at R-3.5 to R-3.8 per inch — a modest advan...
What NB government rebates are available in 2025 for homeowners in Moncton who upgrade their attic insulation?
New Brunswick homeowners in Moncton can access up to $10,000 in combined provincial and federal rebates for attic insula...
What is the total project cost to blow in fiberglass loose-fill insulation to R-50 in a 1,400 sq ft bungalow attic in Riverview NB?
For a 1,400 square foot bungalow attic in Riverview, expect to pay $1,800-$4,200 for blown-in fibreglass insulation to R...
What is the typical turnaround time from booking to completion for an energy audit in Moncton?
Energy audits in Moncton typically take 2-4 weeks from booking to completion of the report, though this can extend to 6-...
How does the total installed cost of spray foam compare to blown-in insulation for a Saint John NB crawl space with irregular joists?
Spray foam will cost roughly 2-3 times more than blown-in insulation for your Saint John crawl space, but the performanc...
What is the minimum R-value required for above-grade walls in New Brunswick under the 2020 National Building Code adoption?
The minimum effective R-value for above-grade exterior walls in New Brunswick is R-22 to R-28 effective under the curren...
Should I hire a contractor who handles NB Efficiency grant paperwork, or can I apply for rebates myself after the work is done in Caraquet?
You'll need to apply for NB Power and federal rebates yourself, but the process requires specific timing and documentati...
How much does it cost to get an NRCan EnerGuide rating assessment in Moncton NB, and is it required to access provincial insulation rebates?
Yes, an NRCan EnerGuide assessment is absolutely required to access NB Power's Total Home Energy Savings Program rebates...
What is the installed cost difference between a 6-mil poly vapour barrier and a smart vapour retarder membrane for a full attic air sealing job in Moncton NB?
The installed cost difference between 6-mil poly and smart vapour retarder membrane for a full attic air sealing job in...
Should I hire a separate air sealing contractor or ask my insulation company to handle both in Oromocto?
Most professional insulation contractors in the Oromocto area handle both air sealing and insulation as part of a compre...
How do I know if an insulation contractor in Saint John is quoting work that actually meets New Brunswick building code requirements?
Great question — many NB homeowners get quotes that sound impressive but don't actually meet current building code requi...
How much money can I save installing blown-in cellulose insulation myself versus hiring a Fredericton insulation company?
DIY blown-in cellulose installation can save you $800-$2,000 in labor costs on a typical Fredericton home, but the equip...
Can homeowners in Dieppe claim both a federal Greener Homes Grant and an NB Efficiency rebate for the same insulation project?
Yes, Dieppe homeowners can stack both the federal Canada Greener Homes Grant and NB Power's Total Home Energy Savings Pr...
Does the New Brunswick building code require a higher attic insulation R-value for homes built in the colder northern regions around Edmundston compared to coastal areas?
No, the New Brunswick Building Code does not specify different attic insulation R-values for different regions within th...
How do I find a contractor experienced in diagnosing and replacing mould-affected insulation in an older home in Campbellton?
Finding a contractor experienced with mould-affected insulation in Campbellton requires looking for professionals who co...
Can upgrading insulation in my Fredericton home increase its resale value on the housing market?
Yes, upgrading insulation in your Fredericton home can increase resale value, though the return varies significantly bas...
How do I safely remove old horsehair plaster and install new wall insulation myself in a heritage Fredericton home?
Removing horsehair plaster and installing wall insulation in a heritage Fredericton home is a complex project that requi...
What is the moisture permeability difference between open-cell and closed-cell spray foam in a Moncton basement application?
Open-cell spray foam is vapour-permeable (allowing moisture to pass through), while closed-cell spray foam acts as a vap...
How do I know if I installed batt insulation correctly in my Fredericton garage ceiling without hiring an inspector?
You can check your batt installation quality by looking for proper fit, no compression, complete coverage, and correct v...
How many weeks does it typically take to receive NB Efficiency rebates after completing an insulation upgrade in Fredericton?
NB Power's Total Home Energy Savings Program typically processes rebates within 6-8 weeks after receiving your complete...
Is blown-in cellulose insulation fire-rated and safe to use in commercial buildings in New Brunswick?
Yes, blown-in cellulose insulation is fire-rated and safe for commercial use in New Brunswick when properly installed ac...
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