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.

Contract type	Typical scope	Typical value
Municipal annual graffiti contract	City-owned property cleanup, response SLAs	$80k–$500k/yr
BIA / BID graffiti program	Member storefronts in defined zone	$30k–$200k/yr
Transit operator graffiti	Stations, vehicles, shelters	$200k–$2M+/yr
Crown corporation / federal	Post offices, federal buildings	Varies
School board graffiti	Multi-school district	$40k–$300k/yr
Highway / utility authority	Sound walls, overpasses, substations	Varies
Heritage agency	Designated buildings and sites	Per-asset basis

Contract type	Typical scope	Typical value
Municipal annual graffiti contract	City-owned property cleanup, response SLAs	$80k–$500k/yr
BIA / BID graffiti program	Member storefronts in defined zone	$30k–$200k/yr
Transit operator graffiti	Stations, vehicles, shelters	$200k–$2M+/yr
Crown corporation / federal	Post offices, federal buildings	Varies
School board graffiti	Multi-school district	$40k–$300k/yr
Highway / utility authority	Sound walls, overpasses, substations	Varies
Heritage agency	Designated buildings and sites	Per-asset basis

Municipal Graffiti Removal Contracts

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