Each region fails differently. Richmond's water table drives vapour up through slabs. The North Shore carries salt air. Whistler freezes and thaws all winter. Victoria stays damp long enough for carbonation to matter.
Metro Vancouver
Vancouver
Burnaby
Surrey
Richmond
Coquitlam
Delta
City of Langley
Township of Langley
Maple Ridge
New Westminster
City of North Vancouver
District of North Vancouver
Pitt Meadows
Port Coquitlam
Port Moody
West Vancouver
White Rock
Anmore
Belcarra
Bowen Island
Lions BaySea-to-Sky
Squamish
Whistler
PembertonGreater Victoria
Victoria
Saanich
Oak Bay
Esquimalt
View Royal
Colwood
Langford
Metchosin
Highlands
Sooke
Central Saanich
North Saanich
SidneyFraser Valley
Abbotsford
Mission