Waterproofing is crucial for maintaining the integrity and longevity of any home, but it becomes even more important for older homes. As houses age, they are more prone to issues such as cracks, leaks, and moisture infiltration. If left untreated, these issues can lead to significant damage and expensive repairs. Thankfully, there are various waterproofing solutions available that can help protect older homes from water damage and ensure a dry, safe living environment for homeowners.

The Importance of Waterproofing Older Homes

Older homes often have different construction techniques and materials compared to newer buildings. These differences can make them more susceptible to water-related issues. Here are some reasons why waterproofing older homes is essential:

1. Foundation Vulnerability: Many older homes have foundations made of brick or stone, which can deteriorate over time. Water infiltration into these foundations can cause them to weaken and destabilize, leading to structural problems.

2. Basement and Crawl Space Concerns: Older homes are more likely to have basements or crawl spaces, which are at a higher risk of water intrusion due to their location below ground level. Poor waterproofing in these areas can result in mold and mildew growth, musty odors, and even damage to stored items.

3. Aging Plumbing Systems: Older homes may still have outdated plumbing systems that are more prone to leaks or bursts. Water leaks can cause extensive damage to walls, floors, and ceilings, compromising the overall integrity of the structure.

Common Waterproofing Solutions for Older Homes

Thankfully, there are several effective waterproofing solutions available for older homes. These solutions can address specific problem areas and provide long-term protection against water damage. Here are some common waterproofing techniques:

1. Exterior Waterproofing: This method involves digging around the foundation to install a waterproof membrane or coating on the exterior walls. It helps prevent water from seeping into the foundation and directs it away from the house. Exterior waterproofing is an effective solution for older homes with foundation leaks or cracks.

2. Interior Waterproofing: Interior waterproofing involves treating the inside of the basement or crawl space walls with a waterproof sealant. This method helps prevent water from entering the living space, protects against mold and mildew growth, and improves air quality. Interior waterproofing is a less invasive and costly solution compared to exterior waterproofing.

3. French Drains: French drains are an effective solution for homes with basement or crawl space water issues. A French drain consists of a perforated pipe installed along the perimeter of the foundation. It collects water and directs it away from the house, preventing water from accumulating around the foundation.

4. Sump Pump Installation: A sump pump is a device that helps remove water that has collected in the basement or crawl space. It is typically installed in a sump pit and automatically pumps out water when it reaches a certain level. Sump pumps are vital for older homes located in areas prone to flooding or with high groundwater levels.

5. Roof and Gutter Maintenance: Adequate roof and gutter maintenance play a crucial role in waterproofing older homes. Regular inspections, cleaning, and repairs ensure that water is effectively channeled away from the house, preventing issues such as roof leaks, basement flooding, or foundation damage.

6. Foundation Repair: In cases where the foundation of an older home has significant cracks or damage, it is essential to address these issues before implementing waterproofing measures. Foundation repair may involve stabilizing the foundation, filling in cracks, or reinforcing weak areas to prevent water infiltration.

Professional Waterproofing Assistance

While some homeowners may attempt DIY waterproofing projects, it is often best to seek professional assistance. Waterproofing older homes requires expertise, as each house has unique characteristics and challenges. Professional waterproofing contractors have the necessary knowledge, tools, and experience to assess the specific needs of an older home and recommend the most appropriate solutions.

PermaDry Waterproofing is a trusted waterproofing company specializing in solutions for older homes. They offer a wide range of services, including exterior and interior waterproofing, foundation repair, and sump pump installation. Their team of experts can provide a thorough assessment of your home’s waterproofing needs and recommend tailored solutions to keep your older home dry and protected.


Waterproofing older homes is essential for preventing water damage, preserving the structural integrity, and ensuring a healthy living environment. By implementing the right waterproofing solutions, homeowners can protect their investment and enjoy the comfort and peace of mind that comes with a dry and secure home. Whether through exterior or interior waterproofing, French drain installation, or professional assistance from companies like PermaDry Waterproofing, homeowners can safeguard their older homes for years to come.