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  1. Home
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Industry Glossary

Pressure Washing Glossary for Erie Homeowners

Understanding pressure washing services terminology helps you make informed decisions and communicate effectively with pressure washing companies.

ADEGHMPST

A

Algae

Green growth on surfaces exposed to moisture and shade. Extremely common on north-facing Erie surfaces due to humidity and precipitation. Soft washing with sodium hypochlorite kills algae at the root.

D

Downstream Injection

A method of introducing cleaning chemicals after the pump, using water pressure to draw in the solution. Safer for pump components and allows chemical concentration control.

E

Efflorescence

White mineral deposits on concrete, brick, or stone caused by water evaporation leaving salts behind. Common on Erie surfaces due to freeze-thaw cycles. Pressure washing can remove it.

G

GPM (Gallons per Minute)

The volume of water a pressure washer delivers. Higher GPM means faster cleaning. Professional units typically deliver 3-5 GPM.

H

Hot Water Pressure Washer

A pressure washer that heats water for more effective cleaning of oil, grease, and biological matter. Professional-grade equipment used for commercial cleaning.

M

Mildew

Dark spots and discoloration caused by fungal growth on damp surfaces. Erie's humidity promotes mildew on siding, decks, and fences. Pressure washing with anti-fungal solutions removes it.

P

PSI (Pounds per Square Inch)

The measure of water pressure output. Residential pressure washers range from 1,500-3,000 PSI. Higher PSI cleans harder surfaces but can damage softer materials.

S

Soft Washing

A low-pressure cleaning method (under 500 PSI) combined with biodegradable chemical solutions. Safe for vinyl siding, roofs, and wood surfaces. Preferred for most Erie home exteriors.

Surface Cleaner

A circular attachment for pressure washers that provides even cleaning of flat surfaces like driveways and patios. Eliminates streaking and speeds up cleaning.

Striping

Uneven cleaning lines left by improper pressure washing technique. Professional cleaners use overlapping passes and surface cleaners to ensure uniform results.

Sealant

A protective coating applied to concrete or wood after pressure washing. Sealing extends the clean appearance and protects against Erie's moisture and freeze-thaw cycles.

T

Turbo Nozzle

A rotating nozzle that combines the power of a zero-degree tip with the coverage of a wider spray. Effective for stubborn stains on concrete and masonry.

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