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Older homes can carry materials and systems that aren't always obvious during a quick walkthrough. Our free library of guides covers some of the most common issues we encounter in the field — helping you ask the right questions before you buy, sell, or renovate.
Wiring Systems
Aluminum Wiring
Common in homes built between the 1960s and 1970s, aluminum wiring has connection and insurance implications buyers should know about.
Read the guideKnob and Tube Wiring
Common in homes built in 1950 or earlier, knob and tube wiring has implications for insurance and safety.
Read the guideStab-Lok Electrical Panels
Installed in many Canadian homes from the 1950s through the 1980s, Stab-Lok and Federal Pioneer panels have a documented breaker failure rate that concerns insurers.
Read the guidePiping Systems
Kitec Piping
Used widely in plumbing and heating installations between 1995 and 2007, Kitec has a tendency to corrode and degrade over time.
Read the guidePolybutylene / Poly-B
A flexible grey pipe used widely in hot water systems, Poly-B is prone to improper installation issues and fitting failures.
Read the guideGalvanized Steel Plumbing
Standard in homes built before the 1960s, galvanized pipe corrodes from the inside out and most systems are now at or past their expected lifespan.
Read the guideMaterials to Watch For
Asbestos
Widely used in construction materials until the 1990s, asbestos poses health risks when disturbed and requires careful identification.
Read the guideLead
Found in paint and some plumbing components in older homes, lead exposure is a known health hazard — especially during renovations.
Read the guideVermiculite Insulation
Popular from the 1940s through the mid-1980s, vermiculite insulation may contain asbestos depending on its source.
Read the guideUFFI (Urea Formaldehyde Foam Insulation)
Installed in an estimated 100,000 Canadian homes before its 1980 ban, UFFI is now mainly a disclosure issue rather than an active health concern.
Read the guideRadon
The leading cause of lung cancer in non-smokers, radon levels vary block by block and testing is the only way to know your home's level.
Read the guideFuel, Water, Heating & Fire Safety
Oil Tanks
Older homes may have buried or decommissioned oil tanks that carry environmental liability if not properly identified and removed.
Read the guideSeptic Systems
Common across the Fraser Valley where municipal sewer isn't available, septic systems require specialized inspection beyond a standard home inspection.
Read the guideWETT Inspections
Wood stoves and fireplaces often require a specialized WETT inspection before BC insurers will provide coverage.
Read the guideRadiant Ceiling Heat
Popular in BC homes from the 1960s through the 1980s, embedded ceiling heating can't be assessed by eye — and failed zones are rarely repairable.
Read the guideMoisture Management
Rain Screen & Building Envelope
BC's leaky condo crisis affected an estimated 45% of strata units built between 1985 and 2000. Learn what changed and what to check today.
Read the guideOrganic Growth (Mold)
Coastal BC's wet climate makes moisture and mold management an ongoing consideration. Learn common causes and what we look for.
Read the guideEIFS Cladding
Synthetic stucco looks like the real thing but behaves very differently — older face-sealed EIFS can conceal serious moisture damage behind an intact finish.
Read the guideProperty History & Local Conditions
Former Grow Operations
In BC, former grow-op status must be disclosed indefinitely and carries real financing and insurance implications.
Read the guideFlood Plains & Crawlspace Moisture
Richmond, Delta, and parts of Chilliwack sit on flood plain terrain with specific construction requirements and crawlspace considerations.
Read the guideHave Questions About Your Home?
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