Question 1

Who removes a buried Calgary oil tank?

Accepted Answer

Buried oil tank removal in Calgary is handled by environmental contractors specializing in underground storage tank (UST) remediation — this is not a job for a general contractor or landscaper. You need a firm with specific environmental expertise and the right equipment.

Who Does This Work?

The companies you're looking for are typically called environmental contractors, remediation contractors, or UST (underground storage tank) removal specialists. In Calgary, several firms specialize in res

Question 2

Where does vermiculite turn up in Calgary homes?

Accepted Answer

Vermiculite insulation shows up most commonly in attic spaces in Calgary homes built or renovated between the 1950s and 1990s, though it can also appear in wall cavities and as loose-fill insulation in older basement ceiling assemblies.

The vast majority of vermiculite insulation sold in Canada during that era came from the Libby, Montana mine operated by W.R. Grace and Company. That mine was contaminated with naturally occurring asbestos, and Health Canada estimates that approximately 70% of a

Question 3

Does a Calgary backwater valve get a rebate?

Accepted Answer

Yes, Calgary homeowners can get a rebate for installing a backwater valve — up to $1,250 through the City of Calgary's Sanitary Sewer Backwater Valve Subsidy Program.

This is one of the better municipal rebate programs available to Calgary homeowners, and it's worth taking advantage of if you're in a neighbourhood prone to sewer backup. The City of Calgary offers a subsidy of up to $1,250 (or 50% of the total cost, whichever is less) for the installation of an approved backwater valve on your h

Question 4

Frost builds up in my Calgary attic over winter, what is causing it?

Accepted Answer

Frost buildup in your Calgary attic is almost always caused by warm, moisture-laden air escaping from your living space into the attic, where it hits cold surfaces and freezes. It's a very common problem in Calgary homes, and the city's extreme winters make it worse than almost anywhere else in Canada.

Here's what's happening: your home generates a surprising amount of moisture every day — cooking, showers, breathing, even houseplants. Warm air rises and finds any gap it can — around pot lights

Question 5

The furnace runs nonstop through a Calgary cold snap, is that normal?

Accepted Answer

Yes, during a severe Calgary cold snap, a furnace running continuously is completely normal — and often expected. Modern high-efficiency furnaces are designed to run in longer cycles, and when outdoor temperatures drop to -25°C or -35°C, your furnace may simply need to run non-stop to keep up with the heat loss through your walls, windows, and roof.

Here's the key distinction: there's a difference between a furnace that runs constantly but maintains your set temperature versus one that runs con

Question 6

How is a Calgary designated substance survey ordered?

Accepted Answer

A designated substance survey (DSS) in Calgary is ordered by hiring an accredited environmental consulting firm or industrial hygienist to assess your property before any demolition or major renovation work begins. This is a legal requirement under Alberta's Occupational Health and Safety (OHS) legislation whenever a building is being demolished or significantly disturbed.

Why a DSS Is Required

Alberta's Occupational Health and Safety Act and the OHS Code require that before any demolition or

Question 7

Does Calgary hail damage affect a renovation?

Accepted Answer

Yes, Calgary hail damage can absolutely affect a renovation — and it's one of the most important things to assess before starting any exterior or interior project. Calgary sits squarely in Canada's hail belt, and severe storms can cause damage that isn't always visible at first glance, which can complicate or significantly change the scope of a planned renovation.

Why Hail Damage Matters Before You Renovate

If you're planning an exterior renovation — roofing, siding, windows, or decking — exi

Question 8

Why do ice dams keep forming on my Calgary roof every February?

Accepted Answer

Ice dams form when heat escaping from your living space melts snow on your roof, and that meltwater refreezes at the cold eaves — and Calgary's February conditions are almost perfectly engineered to make this happen repeatedly.

The root cause is almost always an attic that's too warm. Heat rises through your ceiling, warms the attic space, and melts the snowpack sitting on your roof deck. That water runs down the slope toward the eaves, which extend beyond your exterior wall and sit over unheat

Question 9

What causes the sewer smell from my Calgary basement floor drain?

Accepted Answer

That sewer smell coming from your basement floor drain is almost always caused by a dry P-trap — the curved section of pipe beneath the drain that normally holds water to block sewer gases from entering your home. It's one of the most common and easily fixed plumbing complaints in Calgary basements, though there are a few other causes worth ruling out.

How the P-Trap Works (and Why It Dries Out)

Every floor drain has a P-trap — a U-shaped bend in the pipe that stays filled with water, acting

Question 10

Should i add a backup generator for my sump pump in elbow park after the 2013 floods?

Accepted Answer

Absolutely yes — a backup power system for your sump pump is essential in Elbow Park given the 2013 flood history and your home's proximity to the Elbow River. The June 2013 floods demonstrated how quickly basement flooding can occur when power fails during critical pumping periods.

Power outages during flood events are unfortunately common in Calgary. When storms knock out electricity, your primary sump pump becomes useless right when you need it most. Elbow Park, being in the Elbow River floo

Question 11

What company should I use for my roofing repair?

Accepted Answer

I can't recommend a specific company, but I can guide you on finding the right roofing contractor for your Calgary project and what to look for in a quality roofer.

When searching for roofing contractors in the Greater Calgary area, focus on finding professionals who understand our unique climate challenges. Calgary's extreme temperature swings from chinooks, regular hail storms, and harsh UV exposure at our altitude mean your roofer needs local experience with these conditions.

Key qualificat

Question 12

My new build basement in auburn bay has minor concrete cracks after one winter is that normal?

Accepted Answer

Minor concrete cracks in a new basement after one winter are very common in Calgary, especially in Auburn Bay where expansive clay soils and extreme freeze-thaw cycles put significant stress on foundations. Most hairline cracks under 1/8 inch wide are considered normal settling and don't indicate structural problems.

What's Normal vs. Concerning
Hairline cracks (less than 1/8 inch wide) that run vertically or at slight angles are typically normal settling cracks. Calgary's expansive clay soils

Question 13

My furnace keeps shutting off when it hits minus 25 degrees Celsius outside. What should I check first?

Accepted Answer

Your furnace is likely shutting down due to a blocked air intake or exhaust vent, which is extremely common during Calgary's brutal cold snaps when temperatures hit -25°C or below. This is a safety feature that prevents dangerous combustion issues, but it needs immediate attention.

Start with the exterior vents — go outside and check your furnace's air intake and exhaust pipes (usually white PVC pipes coming through your exterior wall or roof). During extreme cold, these vents can become blocke

Question 14

My basement stays at 15 degrees in winter even with the new furnace running. Is this an issue with the insulation or airflow?

Accepted Answer

A basement that stays at 15°C in winter typically indicates both insulation and airflow issues, with inadequate heating distribution being the most common culprit in Calgary homes.

The problem likely stems from your HVAC system not being properly designed or balanced to heat the basement space. Many Calgary homes, especially older ones, have basements that were added to the heating system as an afterthought rather than being integrated into the original design. Your new furnace may be adequatel

Question 15

Our roof was damaged in the 2020 hail storm — can we still file an insurance claim for shingle replacement now?

Accepted Answer

Unfortunately, it's very unlikely you can still file a new insurance claim for hail damage from the 2020 storm, as most insurance policies require claims to be reported within one to two years of the damage occurring.

Insurance policies in Alberta typically have strict reporting deadlines for property damage claims. Most standard homeowner's policies require you to report damage "promptly" or within a specific timeframe after discovery — usually 12-24 months maximum. Since the major Calgary hai

Question 16

Cracked concrete patio after one winter in Sage Hill - is this normal settling or did they pour it wrong on clay?

Accepted Answer

A new concrete patio cracking after just one Calgary winter is concerning and likely indicates installation issues rather than normal settling. While minor hairline cracks can be expected due to Calgary's extreme freeze-thaw cycles, significant cracking after one season suggests problems with the pour, base preparation, or clay soil management.

Concrete and Calgary's Clay Soils

Sage Hill, like much of northwest Calgary, sits on expansive clay soils that are notorious for causing foundation and

Question 17

Our sewer backed up during chinook melt — does insurance cover clay pipe replacement under the driveway?

Accepted Answer

Most standard homeowner insurance policies do NOT cover sewer line replacement, even when the backup causes interior damage. However, the interior water damage from the backup may be covered if you have sewer backup coverage as an add-on to your policy.

Understanding Your Coverage

Your homeowner's insurance likely covers the interior damage from sewer backup (flooded basement, damaged flooring, ruined belongings) if you purchased optional sewer backup coverage — this isn't included in basic po

Question 18

We just bought a 1970s side split in Marda Loop, and the basement smells musty after rain. Is this normal?

Accepted Answer

A musty smell in your basement after rain is NOT normal and indicates a moisture problem that needs addressing — this is especially common in Calgary's 1970s homes due to aging waterproofing and our expansive clay soils.

Your 1970s side-split in Marda Loop is likely experiencing water infiltration, which is unfortunately common in homes of this era. These homes were built before modern waterproofing standards, and after 50+ years, the original foundation waterproofing has likely deteriorated. C

Question 19

We bought a flood-damaged bungalow in Bowness. Is the foundation salvageable or should we rebuild from scratch?

Accepted Answer

The foundation may be salvageable depending on the flood severity and foundation type, but you'll need a structural engineer's assessment before making any decisions. Bowness has experienced significant flooding, and foundation damage can range from minor cosmetic issues to complete structural failure.

Foundation Assessment Priorities

Start with a comprehensive structural engineering evaluation immediately. Look for horizontal cracks, stair-step cracking, or any cracks wider than 1/4 inch — th

Question 20

My furnace makes a banging noise during chinooks when the temperature swings 20 degrees overnight. Is this normal or a problem?

Accepted Answer

Banging noises during chinooks are extremely common in Calgary furnaces, but they shouldn't be ignored. The rapid temperature swings that Calgary is famous for put unique stress on heating systems, and that banging is usually your ductwork expanding and contracting as it heats up and cools down rapidly.

Ductwork expansion and contraction is the most likely culprit. When your furnace kicks on during a chinook temperature swing, the metal ducts heat up quickly and expand. As they cool, they contr

Question 21

How to fix foundation cracks in a 1980s walkout basement in Deer Run? Are they structural or just cosmetic from settling?

Accepted Answer

Foundation cracks in 1980s Calgary homes are extremely common due to our expansive clay soils and freeze-thaw cycles, but determining whether they're cosmetic or structural requires careful assessment of their size, location, and pattern.

Understanding Calgary's Soil Challenges

Deer Run, like much of southeast Calgary, sits on expansive bentonite clay soils that shrink and swell dramatically with moisture changes. Your 1980s walkout basement has been subjected to 40+ years of this soil movemen

Question 22

My new build basement in Auburn Bay has minor concrete cracks after one winter. Is that normal?

Accepted Answer

Minor concrete cracks in a new basement after one Calgary winter are extremely common and usually not a structural concern. Calgary's expansive clay soils, extreme freeze-thaw cycles, and chinook temperature swings create challenging conditions for new concrete foundations.

What you're likely seeing are hairline shrinkage cracks or minor settlement cracks, which are normal as concrete cures and the foundation settles into Calgary's clay soils. New concrete continues to cure and shrink for up to

Question 23

Can chinooks actually damage asphalt shingles, or is that just an excuse contractors use for early wear?

Accepted Answer

Chinooks absolutely do damage asphalt shingles in Calgary — it's not contractor spin, it's legitimate climate science. The rapid temperature swings that make Calgary famous for winter beach weather are genuinely brutal on roofing materials.

Here's what actually happens during a chinook event: temperatures can swing from -25°C to +15°C in a matter of hours. Your asphalt shingles expand and contract dramatically with these temperature changes. When it's -30°C, shingles become brittle like cracker

Question 24

What's covered under the Alberta New Home Warranty Program if we find foundation cracks in year 8 in our Okotoks build?

Accepted Answer

Foundation cracks discovered in year 8 of your Okotoks home would fall under the 10-year major structural defects coverage of your Alberta New Home Warranty Program (ANHWP) warranty, provided they qualify as structural defects rather than normal settling.

Under Alberta's New Home Buyer Protection Act, your home is covered by 1-2-5-10 warranty insurance through one of the approved warranty providers (ANHWP, National Home Warranty, Progressive Home Warranty, or WBI Home Warranty). The 10-year cov

Question 25

My 1960s bungalow in Bridgeland has foundation cracks on the south side after this winter. Should I be worried?

Accepted Answer

Foundation cracks on a 1960s Calgary home after winter are common due to our extreme freeze-thaw cycles and expansive clay soils, but the type and size of cracks determine whether this is cosmetic or structural.

Most foundation cracks in Calgary homes are caused by our notorious expansive clay soils (bentonite) that swell when wet and shrink when dry, combined with the extreme temperature swings from chinooks. Your Bridgeland bungalow sits on these challenging soils, and after 60+ years, some f

Question 26

Our 1950s war-time bungalow basement walls are bowing inward after last winter. How urgent is this?

Accepted Answer

This is very urgent and potentially dangerous — bowing basement walls indicate serious structural failure that requires immediate professional assessment. Do not delay in getting a structural engineer to evaluate your foundation, as continued movement could lead to catastrophic collapse.

Immediate Safety Steps: If the bowing is severe (more than 2 inches of inward movement), consider temporarily relocating until you have a professional assessment. Look for cracks in the foundation walls, especi

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