Langley homeowners with pre-1990 homes should be aware of vermiculite — a grey, granular insulation material used widely until the early 1990s that may in some cases contain asbestos. WorkSafeBC treats vermiculite as presumptively asbestos-containing unless laboratory testing confirms otherwise. Western Insulation identifies vermiculite during every pre-1990 Langley attic inspection before recommending any scope — and explains the correct handling approach clearly when it is found. Never top up over uninspected insulation in a pre-1990 Langley home. Free inspection at westerninsulation.ca/attic-insulation/