After a string of bad weather, you may have noticed that your business building's exterior looks a bit rough. Dirt may have splashed up on the siding and mildew may be covering the areas around the doors and windows.

Because of this, you may be thinking about renting a pressure washing machine and either using it yourself or having one of your workers use it on the building. However, there are a couple of reasons why you should reconsider doing so, and instead, hire a professional service to come in and pressure wash your commercial building's exterior for you.

1. They Know What Pressure Settings Are Needed to Clean Different Materials Without Causing Damage

One reason you should hire a professional who has experience with pressure washing commercial buildings instead of doing it yourself is that they know how to do the job without causing damage. If you rent a machine and use it without knowing the proper pressure settings for the material on your business building, you may either not have it high enough to get it clean or set it too high and damage it.

For example, if your building has a brick facade, you would need a higher setting. However, if stucco were the primary material, the same setting would strip it off the building. A professional knows the precise pressure settings needed to clean different materials without causing damage.

2. They Know the Pressure Washing Stroke Techniques Needed to Leave Streak-Free, Clean Surfaces

Another reason why you should hire a professional to power wash your building instead of doing it yourself is that they have experience with various pressure washing stroke techniques. If you start waving the wand around to clean the exterior, you may miss large areas of the exterior surfaces and leave multiple streaks.

However, a professional service has trained workers who know the various techniques needed to leave streak-free, clean surfaces. They also know how to adjust the width and length of the strokes along with the pressure settings to optimally clean different types of materials and structures.

While you could try to rent a power washer and either use it yourself or have an employee use it to clean the exterior of your business, neither of you has the experience necessary to know the precise pressure settings needed to fully clean the surfaces of different materials without damaging them. You also probably do not know the stroke techniques needed to thoroughly clean surfaces without leaving streaks. However, a professional does have the experience and knowledge needed to get the job done correctly and efficiently. Contact a commercial pressure washing service in your business's area for more information or to speak with a representative.