Crawlspace Waterproofing and Vapor Barriers
Crawlspaces are an essential yet often overlooked part of a home’s structural integrity.
Understanding Crawlspace Moisture Problems
Crawlspace moisture issues commonly arise due to various factors, including groundwater seepage, inadequate drainage, and poor ventilation. When excess moisture accumulates in the crawlspace, it can create a damp environment, leading to the growth of mold, mildew, and wood decay. As water vapor rises from the cracks in the ground, it can permeate the walls and floors, contributing to elevated humidity levels inside the home. Additionally, crawlspace moisture can attract pests like termites and promote the proliferation of bacteria, jeopardizing both the structure and occupants’ health.
The Role of Crawlspace Waterproofing:
Crawlspace waterproofing is the process of waterproofing, preventing water intrusion, and managing moisture in the crawlspace. This critical measure protects the structural integrity of your home and reduces the risk of various problems associated with excess moisture. There are several methods of crawlspace waterproofing, and the right approach depends on the specific moisture issues present.
Exterior Drainage System: Installing an exterior drainage system around the perimeter of the house and the crawlspace diverts water away from the foundation, preventing it from seeping into the crawlspace.
Interior Drainage System: An interior drainage system involves the installation of a sump pump and drainage channels within the crawlspace. It collects and removes excess water and dirt from the crawlspace to keep it dry.
Vapor Barrier: A vapor barrier is a waterproof material installed on the ground, floor, and walls of the crawlspace. It prevents moisture from rising and penetrating the crawlspace’s interior surfaces.
Foundation Vents: Properly placed foundation vents can promote air circulation in the above space and crawlspace, reducing humidity levels and preventing moisture buildup.
The Role of Vapor Barriers:
Vapor barriers are a fundamental component of crawlspace waterproofing. These barriers are essentially thick, waterproof, impermeable sheets made from materials like polyethylene or reinforced foil. When properly installed, vapor barriers create a barrier between the crawlspace and the ground, preventing water vapor from rising and entering the crawlspace environment.
Benefits of Vapor Barriers:
Moisture Control: Vapor barriers effectively prevent moisture from seeping into the crawlspace, reducing the risk of mold growth, wood decay, mold, and other moisture-related issues.
Improved Indoor Air Quality: By preventing moisture infiltration, vapor barriers help maintain lower humidity levels in the basement and crawlspace and subsequently improve indoor air quality throughout the home. This is particularly beneficial for individuals with allergies or respiratory sensitivities.
Energy Efficiency: A properly installed vapor barrier system can contribute to better energy efficiency in your home. By controlling moisture, it helps your heating and cooling systems work more efficiently and reduces energy consumption.
Pest Prevention: Vapor barriers create an inhospitable environment for pests like termites, discouraging infestations that could lead to costly structural damage for homeowners.
Installation and Maintenance:
For optimal performance, vapor barriers must be professionally installed by experts in crawlspace waterproofing. The barriers should cover the entire ground surface of the crawlspace,
Crawlspace waterproofing and vapor barriers are crucial elements of building a comprehensive moisture control strategy for your home. By preventing water intrusion and managing moisture levels, these measures protect your home’s foundation, prevent mold growth, and enhance indoor air quality. Investing in crawlspace waterproofing and vapor barriers is a wise decision that ensures the long-term health and integrity of your home and provides a comfortable living environment for you and your family.
Contact the Professionals at Everdry Waterproofing of Greater Grand Rapids Today! (800) 275-7910

Rob VanSuilichem
Serving Michigan homeowners for over 32 years, Everdry is one of the Nation’s largest and most experienced waterproofer.
Locally owned, operated and staffed, Everdry professionals take a personal one-on-one approach in educating homeowners so they truly understand all their options for creating a safe, dry, healthy and usable space in their basements.
What Sets Us Apart
- Unbeatable quality due to the experience of the owners and staff.
- Unbeatable value due to the efficiency and expertise of more than 32 years of experience.
- Unbeatable value due to the purchasing power of being one of the largest waterproofers in the nation.
- Unbeatable service due to the fact that EverDry is a locally owned and operated company.
Credentials Include:
- Members of the Home Builders Association
- H.U.D. evaluated
- I.C.C. evaluated (Report #94-07)
- Better Business Bureau Accredited with the Eastern and Western Michigan BBB
- Fully Licensed and Insured
The aforementioned memberships are important because we benefit from the constant exchange of information and knowledge. We are updated on everything from installation techniques, to customer service improvements. You benefit in the knowledge that these third party inspection agencies require us to meet stringent requirements to remain members in good standing.
Better Business Bureau
We have been nominated and won the prestigious Better Business Bureau’s Torch Award for Ethics many times, Chosen as a W.Mich.BBB Torch finalist in 2014 & 2015, Won the Torch Award for Ethics in 2016, Won the Eastern Michigan BBB Torch Award in 2019 and was also chosen as a Western Michigan BBB Torch finalist in 2019. Won the Eastern Michigan BBB Torch Award in 2023 and Finalist for the Western Michigan BBB Torch Award in 2020 & 2021!
Mission Statement
To create raving fans of our customers and employees through frequent contact, constant training, a commitment to excellence and unlimited opportunity.


