8 Critical Things to Know About Power Washing the Exterior of Your House Before You Start
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Why Homeowners Struggle With Exterior Cleaning
Every homeowner faces the same frustration—stubborn dirt, mildew, and algae building up on siding, patios, and driveways. Scrubbing with a brush is exhausting, while garden hoses waste water without producing meaningful results. This is where power washing exterior of house with a high-pressure washer becomes a smart investment. At Gatlingtech, we provide professional-grade machines that make exterior cleaning efficient, safe, and long-lasting.
1. What Is Power Washing and Why Does It Matter for Your House?
Power washing exterior of house means using pressurized water to remove contaminants such as mold, grime, and loose paint from surfaces. According to Grand View Research (2024), the global pressure washer market is expanding rapidly, driven by rising demand for residential cleaning solutions. Clean exteriors not only improve curb appeal but also prevent long-term damage.
2. When Should You Power Wash the Exterior of Your House?
Timing is crucial for best results:
- Spring cleaning – remove winter residue before repainting.
- After heavy rain seasons – wash away mud and algae.
- Before selling a property – increase curb appeal and value.
A study by HomeAdvisor (2023) notes that professional power washing can add up to $15,000 in resale value by enhancing appearance.
3. Why Do Homeowners Prefer Power Washing Over Manual Cleaning?
Customers highlight common pain points solved by power washing:
- Manual cleaning is time-consuming and physically draining.
- Garden hoses consume 3,000+ liters of water per hour, while washers use 400–500 liters (Consumer Reports, 2023).
- Scrubbing often leaves stains behind, while pressure washers deliver deep cleaning in less time.
4. Key Features to Consider When Choosing a High Pressure Washer
When preparing for power washing exterior of house, focus on:
- Pressure (Bar/PSI): Higher ratings for stubborn dirt.
- Flow Rate (L/min): Faster coverage for large surfaces.
- Portability: Lightweight units suit residential use.
- Durability: Steel pumps last longer than plastic ones.
5. Gatlingtech High Pressure Washers for Exterior Cleaning
| Model | Pressure (Bar) | Flow Rate (L/min) | Power Source | Best For |
|---|---|---|---|---|
| GAT17/11G | 170 | 11 | Electric Motor | House siding, patios, outdoor walls |
| H2515G Gas Washer | 250 | 30 | Gasoline Engine | Large homes, heavy-duty cleaning |
| GAT-E2000 Electric | 150 | 10 | Eco Electric | Small to medium houses |
Source: Gatlingtech Official Website
6. Where Can You Safely Power Wash on the Exterior of a House?
- Walls and siding (vinyl, brick, or stone)
- Driveways and walkways
- Decks and patios
- Garage doors
- Outdoor furniture
Important: Avoid direct spraying on windows, vents, and delicate wooden trims.
7. Mistakes to Avoid When Power Washing Exterior of House
- Using too much pressure on painted wood (can strip paint).
- Forgetting to test on a small area first.
- Holding the nozzle too close, which may cause damage.
- Ignoring safety gear—goggles and gloves are essential.
8. Maintenance Tips After Power Washing
- Inspect siding for cracks or damage.
- Reseal decks or patios after washing.
- Store your Gatlingtech washer in a dry, ventilated space.
- Clean nozzles to prevent clogs and maintain water flow.
FAQs About Power Washing Exterior of House
Q1: How often should I power wash my house?
A1: Once a year is ideal, or twice if you live in a humid climate prone to mold.
Q2: Can power washing increase home value?
A2: Yes, according to HomeAdvisor (2023), curb appeal improvements can boost resale value significantly.
Q3: Is it safe to power wash painted siding?
A3: Yes, if the right pressure and nozzle are used. Avoid high-pressure narrow jets.
Q4: Are Gatlingtech machines suitable for both small and large houses?
A4: Yes, Gatlingtech offers models from compact electric units to industrial gas-powered washers.
References
Grand View Research. Pressure Washer Market Size, Share & Growth Report 2030. Available at: https://www.grandviewresearch.com/industry-analysis/pressure-washer-market
HomeAdvisor. Cost and Value of Power Washing a House, 2023. Available at: https://www.homeadvisor.com/cost/cleaning-services/power-wash-house
Consumer Reports. Best Pressure Washers for Home Use, 2023. Available at: https://www.consumerreports.org/products/pressure-washers-36981
Gatlingtech Official Website. Product Specifications, 2025. Available at: https://www.gatlingtech.com