Buying Guide for the Best Pressure Washer For Decking
Choosing the right pressure washer for decking can make a significant difference in maintaining the beauty and longevity of your deck. A pressure washer can effectively remove dirt, grime, and mildew, but selecting the right one involves understanding various specifications and how they align with your needs. Here’s a guide to help you navigate through the key specs and make an informed decision.Pressure (PSI)PSI stands for pounds per square inch and measures the pressure output of the washer. This spec is crucial because it determines how powerful the water stream will be. For decking, you generally want a pressure washer with a PSI between 1,500 and 2,500. Lower PSI (1,500-2,000) is suitable for softer woods and composite decks to avoid damage, while higher PSI (2,000-2,500) can be used for harder woods and more stubborn stains. Choose a PSI level based on the material of your deck and the type of cleaning required.
Flow Rate (GPM)GPM stands for gallons per minute and measures the water flow rate. This spec is important because it affects how quickly you can clean a surface. A higher GPM means more water is being used, which can speed up the cleaning process. For decking, a GPM of 1.2 to 2.5 is generally sufficient. Lower GPM (1.2-1.5) is good for smaller decks and lighter cleaning tasks, while higher GPM (2.0-2.5) is better for larger decks and more intensive cleaning. Consider the size of your deck and how quickly you want to complete the job when choosing the GPM.
Power SourcePressure washers can be powered by electricity or gas. Electric pressure washers are typically lighter, quieter, and easier to maintain, making them ideal for residential use and smaller decks. They usually have a PSI range suitable for most decking materials. Gas pressure washers, on the other hand, are more powerful and can handle larger, tougher jobs, but they are noisier and require more maintenance. Choose an electric pressure washer for convenience and lighter tasks, and a gas pressure washer for more demanding cleaning needs.
Nozzle TypesNozzles control the angle and intensity of the water spray. This spec is important because different nozzles are suited for different cleaning tasks. Common nozzle types include 0-degree (very concentrated and powerful), 15-degree (high pressure for tough stains), 25-degree (general cleaning), and 40-degree (gentle cleaning). For decking, a 25-degree or 40-degree nozzle is usually best to avoid damaging the wood. Some pressure washers come with adjustable nozzles or a set of interchangeable nozzles. Choose a pressure washer with the right nozzle options for your specific cleaning needs.
PortabilityPortability refers to how easy it is to move the pressure washer around. This spec is important because you’ll likely need to move the washer around your deck and possibly to other areas of your property. Look for features like wheels, a handle, and a manageable weight. Smaller, lighter models are easier to maneuver but may have less power, while larger models may be more powerful but harder to move. Consider the size of your deck and how much you’ll need to move the washer when choosing the right level of portability.
Hose LengthThe hose length determines how far you can reach without moving the pressure washer. This spec is important for convenience and efficiency. A longer hose allows you to clean larger areas without having to constantly move the machine. For decking, a hose length of 20 to 30 feet is usually sufficient. If you have a larger deck or need to reach further areas, look for a pressure washer with a longer hose. Choose a hose length that matches the size of your deck and your cleaning needs.