Question 1

How much does graffiti removal cost in Canada?

Accepted Answer

Graffiti removal costs in Canada range from $1–$20 per square foot depending on the method, surface type, and location. Paint over is the cheapest at $1–$4/sqft, suitable for painted surfaces. Pressure washing costs $2–$6/sqft for concrete and brick. Chemical removal runs $3–$8/sqft for delicate surfaces. Sandblasting costs $4–$10/sqft for heavy-duty jobs. Laser removal is the premium option at $8–$20/sqft, reserved for heritage buildings. Provincial cost multipliers apply: BC is 20% higher than the national average due to higher labour costs, while Saskatchewan and Manitoba are 15–20% lower. Emergency same-day service adds a 25–100% surcharge. Most professional jobs on a typical 50–100 sqft area cost between $200–$800 including mobilization fees.

Question 2

What is the best method to remove graffiti from brick?

Accepted Answer

The best method for removing graffiti from brick depends on the brick's age and condition. For modern brick (post-1950), pressure washing at 2,000–2,500 PSI combined with a hot water attachment is the most cost-effective approach at $2–$6/sqft. For heritage brick (pre-1900), only pH-neutral chemical gel (pH 6.5–7.5) should be used — pressure above 1,500 PSI damages mortar joints and can cause permanent structural weakening. Apply the chemical gel, cover with plastic wrap for 30–60 minutes of dwell time, then rinse with low-pressure water. Never use acidic cleaners on brick — they dissolve the calcium in mortar and leave white efflorescence staining. Professional technicians test an inconspicuous area first to verify the method won't damage the brick face.

Question 3

How do anti-graffiti coatings work?

Accepted Answer

Anti-graffiti coatings create a transparent protective barrier between the surface and potential graffiti. There are two types: Sacrificial coatings ($3–$5/sqft) work like a peel-off layer — they dissolve along with the graffiti during removal, requiring reapplication after each cleaning. They're best for budget-conscious property owners with infrequent tagging. Permanent coatings ($5–$12/sqft) create a non-stick surface that prevents paint from bonding. Graffiti sits on top and washes off with hot water and a pressure washer — no chemicals needed. Permanent coatings last 10–20 years without reapplication. Both types are nearly invisible once dry. Application requires +10°C minimum temperature, a clean dry surface, and 48 hours of dry weather for proper curing. Major brands in Canada include MuralShield, Sherwin-Williams Anti-Graffiti, and World's Best Graffiti Coating.

Question 4

Can you remove graffiti from concrete without damaging it?

Accepted Answer

Yes, graffiti can be safely removed from concrete without damage using the right method and pressure settings. Pressure washing at 2,500–3,500 PSI with a 15° fan tip removes most spray paint from concrete without surface erosion. Adding hot water (60–80°C) improves removal effectiveness by 30–40% and reduces the pressure needed. For stained or older concrete, chemical pre-treatment with an alkaline gel softens the paint before washing, achieving cleaner results with less pressure. The key is matching PSI to concrete condition: new reinforced concrete handles 3,500 PSI easily, while aged or decorative concrete should stay below 2,500 PSI. Avoid sandblasting on decorative or stamped concrete — it permanently changes the surface texture. Professional contractors capture all rinse water to prevent paint particles from entering storm drains.

Question 5

How long does it take to remove graffiti?

Accepted Answer

Graffiti removal time depends on the method, surface area, and paint type. Pressure washing is the fastest — a professional can clean 50–100 sqft per hour on concrete or brick. Chemical removal is slower at 20–40 sqft per hour due to dwell time requirements (15–60 minutes per application). Paint over takes 1–2 hours for a typical 100 sqft area including surface prep, primer, and two coats. Sandblasting processes 50–80 sqft per hour depending on media type. Laser removal is the slowest at 5–15 sqft per hour — precision work on heritage surfaces cannot be rushed. For a typical commercial graffiti job (50–100 sqft of spray paint on brick), expect our crew to be on-site for 2–4 hours including setup, removal, cleanup, and documentation.

Product	Best for	Dwell time	Surfaces to avoid	Approx. price (32oz)
Goof Off Pro Heavy Duty	Painted surfaces, metal, glass residue	5–10 min	EIFS, vinyl siding	$18–$25
Krud Kutter Original	Wood, painted siding, vinyl-safe	10–15 min	Heritage stone	$14–$20
Citra-Solv Concentrate	Eco-friendly, food-adjacent surfaces	15–20 min	Anti-graffiti coatings	$16–$22
Taginator (regular & wood formula)	Brick, concrete, raw wood	20–30 min	Glass film, polished metal	$30–$45
Elephant Snot Original	Heavy tags on brick/concrete/CMU	30–60 min	EIFS, painted wood	$35–$55
Sherwin-Williams Anti-Graffiti Cleaner	Use over their coating system	5–15 min	Bare brick, raw stone	$40–$60 (gallon)
Goo Gone Graffiti Remover	Light tags, residential	5–10 min	Heritage stone, EIFS	$12–$18
EZ Strip Graffiti Remover	Painted metal, painted concrete	15–30 min	Tinted/coated glass	$22–$30

Product	Best for	Dwell time	Surfaces to avoid	Approx. price (32oz)
Goof Off Pro Heavy Duty	Painted surfaces, metal, glass residue	5–10 min	EIFS, vinyl siding	$18–$25
Krud Kutter Original	Wood, painted siding, vinyl-safe	10–15 min	Heritage stone	$14–$20
Citra-Solv Concentrate	Eco-friendly, food-adjacent surfaces	15–20 min	Anti-graffiti coatings	$16–$22
Taginator (regular & wood formula)	Brick, concrete, raw wood	20–30 min	Glass film, polished metal	$30–$45
Elephant Snot Original	Heavy tags on brick/concrete/CMU	30–60 min	EIFS, painted wood	$35–$55
Sherwin-Williams Anti-Graffiti Cleaner	Use over their coating system	5–15 min	Bare brick, raw stone	$40–$60 (gallon)
Goo Gone Graffiti Remover	Light tags, residential	5–10 min	Heritage stone, EIFS	$12–$18
EZ Strip Graffiti Remover	Painted metal, painted concrete	15–30 min	Tinted/coated glass	$22–$30

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