Pressure washing is the process of using water at 2500-4500 pounds per square inch ( PSI ) in a stream like fashion to accomplish tasks. Typically pressure washers are used on hard surfaces such as metal, concrete, tile or any number of materials.
In this post we primarily focus on elements found in residential construction such as siding, roofing, decking and any number of exterior grade lumber products. In this post we discuss the top 3 reasons to never power wash any of the components of a home and in turn give a great alternative to an outdated and faulty method of exterior cleaning in residential construction.
# 1 The Overlap Design in House Coverings
2500-4500 PSI blasting away at any surface is not good. It is an extremely bad idea on materials that overlap and are designed to protect vulnerable areas behind them. Siding, roofing and eaves are all installed with the overlap installation method.
Using a pressure washer pushes water up and behind that overlap. Once water gets behind any overlapping material the amount of damage to the entire home starts to add up rapidly.
#2 Insurance Doesn’t Cover Damage by Power Washing
Since the likely damage will have resulted behind the surface you’re washing , it is highly unlikely you’ll realize that their is water damage until that damage is presented to you with clear evidence.
Most damage to your home caused by a power washer will likely be seen weeks, days or years after the initial power washing was performed in the form of :
- Failed window sills
- Mold in the interior of a home
- Decking that ages prematurely and has to be replaced
- Mold on siding from trapped moisture behind it
- Rotting and putrid smells
A delay in issuing a claim on your policy for water damage can have serious consequences. Insurance companies use the term ” Gradual Water Damage” to describe water damage, that is from an older or existing problem.
Gradual water damage is an example of something that is not covered under a homeowners insurance policy. Many homeowners don’t realize this before it is too late.
#3 Pressure Washing Causes Furring
Furring is the lifting of wood fibers. Furring exposes and damages a wood surface and causes irreparable damage to a wood structure.
Pressure washing causes furring in wood by the sheer amount of force it delivers. The only option once furring has set in is to either sand the surface or steel wool it, causing even more damage and material removal to the wood structure!
The Alternative to Pressure Washing
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