Quick Answer: Most short-window roof leaks that dry within 48 to 72 hours don't develop meaningful mould. Calgary's dry indoor winter air works in homeowners' favour. Mould requires moisture, time, and warmth together. When visible mould does appear, especially over 1 square metre or with a strong smell, qualified mould remediation specialists handle testing and removal. A roofer's scope is stopping the water source; mould remediation is a separate trade. Mould growth after r

Quick Answer: Ice dams form when attic heat melts roof snow, the meltwater refreezes at the cold eave, and subsequent water backs up under the shingles into the attic. Calgary's freeze-thaw plus Chinook cycle makes ice dams the single most common cause of insurance-claimable residential roof water damage here. The full fix combines extended ice and water shield, attic air sealing, insulation top-up to R-50 or R-60, and rebalanced soffit-to-ridge ventilation. If you have ice d

Quick Answer: A yellow or light-brown ring usually means an old, dormant leak. A dark-brown or grey stain often means active or recurring water entry. Black or green flecks point to mould. A bulging or sagging stain is a same-day emergency. Painting over a stain without finding the source guarantees it returns within months, often worse. Ceiling water stains are one of the most common reasons Calgary homeowners call a roofer, and one of the hardest problems to triage without

Quick Answer: Attic water damage is well-understood and almost always repairable. A standard remediation removes wet insulation, dries framing and decking with industrial fans for 3 to 5 days, replaces compromised sheathing, rebuilds the vapour barrier, and restores insulation to current Alberta Building Code R-values. Costs typically run $2,000 to $8,000 depending on attic size and decking condition. Most Calgary homeowners discover attic water damage after a ceiling stain s

Quick Answer: Move belongings, place a bucket under the drip, and cut power to any wet electrical fixture within five minutes. If the ceiling is bulging, drain it deliberately with a small hole and a bucket below before it collapses. Photograph everything before cleanup. Call a Calgary roofer same-day for source repair, and call your insurance broker within 24 hours. Water is coming through the ceiling right now. Knowing what to do when you find active water leaking from your

Quick Answer: Calgary roof water damage repair typically costs $400 to $15,000+, with most repairs landing between $1,200 and $5,000. Minor source-only repairs run $400 to $1,200. Moderate scopes with insulation and drywall run $2,500 to $5,000. Major scopes with decking, mould remediation, or multi-room damage run $5,000 to $15,000+. Most Alberta homeowners insurance policies cover sudden water damage minus a $1,000 to $2,500 deductible. Water damage repair costs vary more t

Quick Answer: The most common signs of roof water damage inside a home are ceiling stains (yellow, brown, or grey rings), peeling or bubbling paint, sagging drywall, musty smells, wet attic insulation, daylight visible through the roof deck from the attic, and stained walls near the ceiling. Active leaks often show darker rings at the stain edge; older leaks fade to faint outlines. A sagging ceiling, mould visible from below, or warm-weather stains expanding after rain are sa

Quick Answer: Calgary residential roof water damage repair typically costs $400 to $15,000, depending on scope, with most repairs landing between $1,200 and $5,000 when caught within 48 to 72 hours. The right sequence is to stop the active water, document everything, dry the structure within 72 hours to prevent mould, repair the source, then replace any damaged insulation, drywall, or decking. Alberta homeowners insurance covers sudden and accidental water damage, including m