Crawl Space Encapsulation Materials: Pro Guide You Need!

The space beneath your home, often a dark and forgotten area, plays a surprisingly vital role in your home’s overall health and well-being. Neglecting this space can lead to a host of problems, from mold and mildew to structural damage and poor indoor air quality.

Crawl space encapsulation offers a solution, transforming this vulnerable area into a clean, dry, and efficient component of your home.

This guide aims to provide a comprehensive overview of crawl space encapsulation, exploring the materials and processes involved in creating a healthier and more durable home environment.

What is Crawl Space Encapsulation?

At its core, crawl space encapsulation involves sealing off the crawl space from the outside environment. This is achieved through a multi-layered approach, using heavy-duty vapor barriers to cover the ground and walls.

Sealing vents and entryways are used to prevent outside air and moisture from entering the space.

Think of it as creating a conditioned space, similar to your home’s living areas, but designed to control moisture and prevent the problems associated with damp, unventilated crawl spaces.

The Multifaceted Benefits of Encapsulation

Encapsulating your crawl space offers a multitude of benefits that extend far beyond simply keeping the area dry. It’s an investment in your home’s health, comfort, and long-term value.

Moisture Control: The Primary Objective

Moisture control is the primary goal of crawl space encapsulation. By creating a barrier against ground moisture and outside humidity, encapsulation prevents water vapor from entering the crawl space and causing problems.

This controlled environment eliminates the dampness that fosters mold growth, wood rot, and pest infestations.

Mold Prevention: A Healthier Home

Mold thrives in damp, dark environments. Crawl spaces, with their inherent moisture and lack of sunlight, are prime breeding grounds for mold spores.

Encapsulation effectively eliminates the conditions necessary for mold growth, creating a healthier living environment for you and your family. This is especially important for individuals with allergies or respiratory sensitivities.

Energy Efficiency: Saving Money and Resources

A damp crawl space can significantly impact your home’s energy efficiency. Moisture increases humidity levels, making it harder to heat or cool your home.

Encapsulation helps to regulate temperature and reduce humidity, allowing your HVAC system to operate more efficiently. This translates into lower energy bills and a reduced carbon footprint.

Improved Air Quality: Breathing Easier

Did you know that a significant portion of the air you breathe in your home originates in the crawl space?

If your crawl space is damp and moldy, those contaminants can make their way into your living areas, affecting your indoor air quality.

Encapsulation prevents these pollutants from entering your home, leading to cleaner, healthier air to breathe.

Structural Integrity: Protecting Your Investment

Excessive moisture can wreak havoc on your home’s structural components, particularly wooden beams and supports in the crawl space.

Wood rot, caused by fungal growth in damp wood, can weaken these essential structures, potentially leading to costly repairs.

Encapsulation protects your home’s structural integrity by preventing moisture damage and ensuring the longevity of its foundation.

Your Comprehensive Guide to Crawl Space Encapsulation

This guide is designed to provide you with a thorough understanding of crawl space encapsulation, from the essential materials used to the step-by-step process of installation.

We will delve into the specifics of vapor barriers, insulation, dehumidifiers, and sump pumps, explaining their roles in creating a dry and healthy crawl space.

Whether you’re a homeowner considering DIY encapsulation or looking to hire a professional contractor, this guide will equip you with the knowledge you need to make informed decisions and protect your home for years to come.

The benefits of encapsulation might seem clear now, but to truly appreciate its value, it’s essential to understand the conditions it’s designed to combat. A closer look at the typical crawl space environment reveals why encapsulation isn’t just an upgrade—it’s often a necessity for protecting your home and your health.

Why Encapsulate? The Damp Truth About Crawl Spaces

Crawl spaces, often relegated to the realm of forgotten spaces, frequently exist in a state of neglect, creating a breeding ground for problems that can significantly impact your home’s health and structural integrity.

The Anatomy of a Problematic Crawl Space

Imagine a space beneath your home, shrouded in darkness, with a dirt floor exposed to the earth’s moisture. This is the reality for many crawl spaces.

These areas are often poorly ventilated, allowing humidity to build up, creating a damp environment ripe for mold growth and pest infestations.

The combination of darkness, moisture, and organic materials (like wood floor joists) creates an ideal habitat for a host of unwanted guests.

The Crucial Role of Moisture Control

Moisture control is paramount to a healthy home, and the crawl space is often the first line of defense (or attack) in this battle.

Excessive moisture in the crawl space doesn’t just stay there. It seeps into the living areas of your home, affecting air quality and potentially causing structural damage.

Controlling moisture at the source, within the crawl space, is a proactive approach to maintaining a healthy and comfortable living environment.

The Dangers of a Damp Crawl Space

The consequences of neglecting your crawl space can be far-reaching and costly.

• Mold and Mildew Havens: Damp environments are breeding grounds for mold and mildew. These fungi can release spores into the air, leading to respiratory problems, allergies, and other health issues. Mold prevention becomes a critical concern.

• Wood Rot and Structural Damage: Excessive moisture can lead to wood rot, weakening the structural integrity of your home’s foundation and support beams. This can result in costly repairs and even compromise the safety of your home.

• Pest Infestations: Damp crawl spaces attract pests like termites, rodents, and insects. These unwanted guests can cause further damage to your home’s structure and introduce allergens and diseases.

• Compromised Indoor Air Quality: A significant portion of the air in your home originates from the crawl space. Damp, moldy crawl spaces release musty odors and allergens into the air you breathe, negatively impacting indoor air quality and potentially exacerbating respiratory issues.

Encapsulation: A Preventative Solution

Crawl space encapsulation directly addresses these problems by creating a barrier between the crawl space and the outside environment.

By sealing off vents, installing a vapor barrier, and controlling humidity with a dehumidifier, encapsulation prevents moisture from entering the space and causing damage.

This controlled environment inhibits mold growth, deters pests, and prevents wood rot, ensuring a healthier and more durable home. Encapsulation essentially transforms a liability into an asset, protecting your home from the ground up.

Key Encapsulation Materials: Your Arsenal Against Moisture

Controlling the dampness and preventing its associated problems requires a strategic approach. The effectiveness of crawl space encapsulation hinges on selecting the right materials and installing them correctly. Think of these materials as your arsenal against moisture, each playing a vital role in creating a dry, healthy, and energy-efficient space beneath your home.

Vapor Barriers: The Foundation of a Dry Crawl Space

At the heart of any successful crawl space encapsulation is the vapor barrier. This seemingly simple sheet of material is your primary defense against ground moisture evaporating into the crawl space.

A vapor barrier is a material, typically plastic, that is impermeable to moisture. It prevents water vapor from passing through it. By creating a physical barrier between the damp earth and the air in your crawl space, you dramatically reduce humidity levels and prevent many of the problems associated with excessive moisture.

Without a properly installed vapor barrier, the benefits of other encapsulation measures are significantly diminished.

Types of Vapor Barrier Materials: Polyethylene Sheeting

Polyethylene sheeting is the most common and cost-effective material used for crawl space vapor barriers. It’s available in various thicknesses, measured in "mils" (one mil equals one-thousandth of an inch). The appropriate thickness depends on the specific conditions of your crawl space.

Mil Thickness Options: Pros and Cons

• 6-mil Polyethylene: This is the thinnest option and suitable for crawl spaces with minimal moisture issues and light foot traffic. While budget-friendly, it’s more prone to tears and punctures.

• 10-mil Polyethylene: A step up in durability, 10-mil offers better resistance to damage and is suitable for moderate moisture conditions.

• 12-mil Polyethylene: This is a good middle-ground option, providing a balance between cost and durability for most crawl spaces.

• 20-mil Polyethylene: The thickest and most durable option. It’s ideal for crawl spaces with high moisture levels, rocky soil, or frequent foot traffic. It offers the best protection against punctures and tears.

When choosing a mil thickness, consider the long-term benefits of a more robust barrier. A thicker vapor barrier might cost more upfront, but it can save you money on repairs and replacements down the road.

Polyethylene Sheeting Installation Best Practices

Proper installation is just as important as selecting the right material. A poorly installed vapor barrier will be ineffective, regardless of its thickness.

Ensuring a Continuous and Effective Vapor Barrier

For a vapor barrier to work effectively, it must be continuous, meaning it covers the entire crawl space floor and extends up the walls.

• Overlapping Seams: Overlap seams by at least 6-12 inches and use a high-quality seam tape specifically designed for polyethylene to create an airtight seal.

• Sealing Edges: Seal the edges of the vapor barrier to the foundation walls and around any piers or protrusions using construction adhesive or specialized butyl tape.

• Securing to Walls and Piers: Mechanically fasten the vapor barrier to the walls and piers using nails, screws, or specialized fasteners designed for this purpose. Space fasteners every 12-18 inches to ensure a secure attachment.

Insulation: Temperature and Condensation Control

While the vapor barrier addresses moisture coming from the ground, insulation helps control temperature fluctuations and prevents condensation on crawl space surfaces.

Insulating crawl space walls helps to isolate the crawl space from the outside temperature, reducing energy loss and preventing cold surfaces from attracting condensation.

Insulation (Rigid Foam): Types, R-Values, and Applications

Rigid foam insulation is a popular choice for crawl space walls due to its moisture resistance and high R-value (a measure of thermal resistance). There are three main types:

• Extruded Polystyrene (XPS): XPS has a closed-cell structure, making it highly water-resistant and durable. It offers a good R-value per inch and is a good all-around choice.

• Expanded Polystyrene (EPS): EPS is less expensive than XPS but also less water-resistant. It’s still a viable option for crawl spaces with low moisture levels.

• Polyisocyanurate (Polyiso): Polyiso offers the highest R-value per inch of the three, making it a good choice where space is limited. It’s also more expensive and can be susceptible to moisture if not properly installed.

When selecting rigid foam insulation, choose a type with an appropriate R-value for your climate and energy efficiency goals.

Proper Cutting and Fitting Techniques

Accurate cutting and fitting of rigid foam insulation are crucial for maximizing its effectiveness.

• Use a sharp utility knife or a specialized foam cutting tool to ensure clean, precise cuts.

• Measure carefully and cut the insulation slightly larger than the space it will occupy. This allows for a tight fit and prevents gaps.

• Seal any gaps or cracks with expanding foam sealant to prevent air leakage and moisture intrusion.

Insulation (Spray Foam): Closed-Cell vs. Open-Cell

Spray foam insulation is another option for crawl space walls, offering excellent insulation and air sealing properties. There are two main types:

• Closed-Cell Spray Foam: Closed-cell spray foam is denser and more water-resistant than open-cell foam. It has a higher R-value per inch and provides excellent air sealing.

• Open-Cell Spray Foam: Open-cell spray foam is less expensive than closed-cell foam but also less water-resistant. It has a lower R-value per inch and is more suitable for drier climates.

Advantages and Disadvantages

Closed-cell spray foam offers superior insulation and moisture resistance, but it’s more expensive and requires professional installation. Open-cell spray foam is more affordable and can be DIY-friendly, but it’s not suitable for crawl spaces with high moisture levels.

Professional Application Considerations

Spray foam insulation requires specialized equipment and expertise to install properly. It’s generally recommended to hire a professional contractor for spray foam installation to ensure proper application and avoid potential problems.

Dehumidifiers: Maintaining Optimal Humidity Levels

Even with a vapor barrier and insulation, some moisture may still find its way into the crawl space. A dehumidifier is essential for maintaining optimal humidity levels and preventing mold growth.

A dehumidifier removes excess moisture from the air, preventing condensation and creating an environment that is inhospitable to mold and pests.

Sizing a Dehumidifier for a Crawl Space

Choosing the right size dehumidifier is crucial for its effectiveness.

Consider the square footage of your crawl space, the climate you live in, and the existing moisture levels when selecting a dehumidifier. A general rule of thumb is to choose a dehumidifier with a capacity of at least 30 pints per day for a 1,000 square foot crawl space.

For particularly damp crawl spaces, a larger capacity dehumidifier may be necessary.

Features to Look for in a Crawl Space Dehumidifier

• Automatic Operation: Look for a dehumidifier with automatic operation, which allows it to turn on and off as needed to maintain a set humidity level.

• Drainage Options: Choose a dehumidifier with a drainage option, either a hose connection for continuous drainage or a large-capacity reservoir that can be emptied manually.

• Energy Efficiency: Look for a dehumidifier with a high energy efficiency rating to minimize energy consumption and operating costs.

Sump Pumps: Managing Standing Water

In some cases, a vapor barrier and dehumidifier may not be enough to control moisture in the crawl space. If you have a high water table, drainage issues, or a potential for flooding, a sump pump is necessary.

A sump pump removes standing water from the crawl space, preventing structural damage and mold growth.

Types of Sump Pumps: Submersible vs. Pedestal

• Submersible Sump Pumps: Submersible sump pumps are installed inside a sump pit and are designed to be submerged in water. They are more powerful and efficient than pedestal pumps and are less likely to clog.

• Pedestal Sump Pumps: Pedestal sump pumps are installed above the sump pit, with a hose extending into the water. They are less expensive than submersible pumps but also less powerful and more prone to clogging.

When choosing a sump pump, consider the depth of the sump pit, the amount of water that needs to be pumped, and the frequency of use.

Proper Installation and Maintenance of a Sump Pump System

Proper installation and maintenance are crucial for ensuring the reliable operation of a sump pump system.

• Install the sump pump in a properly sized sump pit with a gravel base to prevent sediment from clogging the pump.

• Ensure that the discharge pipe is properly connected and slopes away from the foundation to prevent water from flowing back into the crawl space.

• Test the sump pump regularly to ensure it is working properly.

• Clean the sump pit and pump periodically to remove debris and sediment.

By carefully selecting and installing these key encapsulation materials, you can create a dry, healthy, and energy-efficient crawl space that protects your home from moisture damage and improves your indoor air quality.

The Encapsulation Process: A Step-by-Step Guide

Having armed yourself with the appropriate materials, it’s time to put theory into practice. Encapsulating your crawl space is a multi-stage process that demands meticulous execution. Each step is crucial in establishing a long-lasting barrier against moisture and its associated problems.

Preparing the Crawl Space: The Foundation for Success

The initial preparation phase is perhaps the most critical, setting the stage for a successful encapsulation. Rushing this stage can compromise the entire project.

Debris Removal: Clearing the Path

Begin by thoroughly removing all debris from the crawl space. This includes old insulation, wood scraps, rocks, and any other foreign objects.

A clean surface is essential for proper vapor barrier installation and will also reduce the risk of punctures or tears.

Leveling the Ground: Creating a Smooth Surface

Ideally, the ground should be as level as possible. While perfect flatness isn’t always achievable, filling in major depressions and removing large rocks will prevent stress points on the vapor barrier.

Consider using a tamper to compact the soil for a more stable base.

Addressing Existing Moisture Problems: Tackling the Root Cause

Before encapsulation, it’s imperative to identify and resolve any existing sources of moisture.

This may involve repairing plumbing leaks, improving exterior drainage, or addressing foundation cracks.

Ignoring these issues will render the encapsulation less effective, as trapped moisture can still cause damage.

Installing the Vapor Barrier: Creating an Impermeable Shield

With the crawl space prepared, the next step is to install the vapor barrier. This is the primary defense against ground moisture and should be approached with careful attention to detail.

Overlapping Seams: Ensuring a Continuous Barrier

When installing the polyethylene sheeting, ensure that the seams overlap by at least 12 inches. This prevents moisture from seeping through the joints.

The overlapping sections should then be sealed with a high-quality seam tape specifically designed for polyethylene.

Sealing Edges: Preventing Air and Moisture Intrusion

The edges of the vapor barrier must be sealed tightly to the foundation walls and support piers. This can be achieved using construction adhesive or specialized sealing tape.

The goal is to create an airtight seal that prevents air and moisture from entering the crawl space.

Securing the Polyethylene Sheeting: Preventing Movement and Damage

The vapor barrier should be secured to the walls and piers using mechanical fasteners, such as cap nails or staples.

This prevents the sheeting from shifting or tearing over time.

Pay particular attention to areas where the vapor barrier comes into contact with sharp objects or uneven surfaces.

Insulating the Walls: Regulating Temperature and Preventing Condensation

Insulating the crawl space walls is crucial for controlling temperature fluctuations and preventing condensation.

Cutting and Fitting the Insulation: Achieving a Snug Fit

Whether you choose rigid foam or spray foam insulation, precise cutting and fitting are essential.

Measure each section of the wall carefully and cut the insulation to fit snugly between the floor joists and the foundation.

Gaps and voids will reduce the insulation’s effectiveness and create potential areas for condensation.

Securing the Insulation: Ensuring Long-Term Stability

Rigid foam insulation can be secured to the walls using construction adhesive and/or mechanical fasteners.

Spray foam insulation, on the other hand, adheres directly to the surface and does not require additional fasteners.

Ensure that the insulation is properly supported to prevent sagging or detachment over time.

Installing the Dehumidifier: Maintaining Optimal Humidity Levels

Even with a properly encapsulated crawl space, a dehumidifier is often necessary to maintain ideal humidity levels.

Dehumidifier Placement: Optimizing Airflow

Place the dehumidifier in a central location within the crawl space to ensure optimal airflow.

Avoid placing it in a corner or against a wall, as this can restrict airflow and reduce its effectiveness.

Drainage Considerations: Ensuring Proper Water Removal

The dehumidifier must be equipped with a drainage system to remove the collected moisture.

This can be achieved by connecting a hose to a nearby drain or using a condensate pump to discharge the water outside the crawl space.

Electrical Considerations: Safe and Reliable Power Supply

Ensure that the dehumidifier is plugged into a dedicated electrical circuit with adequate amperage.

Avoid using extension cords, as they can overheat and pose a fire hazard. Consider having a qualified electrician install a dedicated outlet if necessary.

Sealing Vents and Access Doors: Completing the Encapsulation

The final step in the encapsulation process is to seal all vents and access doors. This prevents outside air and moisture from entering the crawl space.

Vents can be sealed with rigid foam insulation or vent covers. Access doors should be weatherstripped and tightly sealed to create an airtight barrier.

Maintaining Your Encapsulated Crawl Space: Ensuring Long-Term Protection

The job isn’t done once the encapsulation is complete. Think of your encapsulated crawl space like any other system in your home – it requires regular attention to function optimally. Neglecting maintenance can negate the initial investment and allow moisture and other problems to creep back in. The key to a long-lasting encapsulated crawl space lies in consistent monitoring, timely repairs, and proactive prevention.

Regular Inspections: Your First Line of Defense

Routine inspections are the cornerstone of any good maintenance plan. These inspections allow you to catch minor issues before they escalate into costly repairs. Make it a habit to inspect your crawl space at least twice a year – ideally in the spring and fall.

• What to Look For: During your inspection, pay close attention to these key areas:
  • Moisture: Check for any signs of standing water, damp spots, or condensation on the vapor barrier, walls, or insulation. Even a small amount of moisture can indicate a leak or other problem.
  • Damage: Inspect the vapor barrier for punctures, tears, or loose seams. Also, examine the insulation for any signs of damage from pests or moisture.
  • Mold: Look for any visible signs of mold growth on the walls, insulation, or wood framing. Mold can spread quickly and cause significant damage if left unchecked.
  • Pest Infestation: Look for signs of pests such as rodents, insects, or termites. Early detection is key to preventing infestations from damaging your crawl space.

Monitoring Your Equipment: Dehumidifiers and Sump Pumps

If you’ve installed a dehumidifier or sump pump in your crawl space, it’s crucial to monitor their performance regularly. These devices play a vital role in maintaining a dry and healthy environment.

Dehumidifier Maintenance

• Check the Humidity Levels: Use a hygrometer to monitor the humidity level in your crawl space. Aim to keep it below 60% to prevent mold growth.
• Inspect the Drainage System: Ensure that the dehumidifier is draining properly and that the drainage line is not clogged or kinked. A blocked drain can cause the dehumidifier to overflow and create a moisture problem.
• Clean the Filter: Clean the dehumidifier’s air filter regularly to ensure optimal performance and energy efficiency. A dirty filter can restrict airflow and cause the dehumidifier to work harder.
• Annual Servicing: Consider having your dehumidifier professionally serviced once a year to ensure that it is functioning correctly and efficiently.

Sump Pump Maintenance

• Test the Pump Regularly: Test the sump pump at least once a month to ensure that it is working properly. Pour water into the sump pit to trigger the pump and check that it is draining the water effectively.
• Inspect the Intake Screen: Check the sump pump’s intake screen regularly and remove any debris that may be blocking it. A clogged screen can prevent the pump from working properly.
• Clean the Sump Pit: Clean the sump pit periodically to remove any sediment or debris that may have accumulated. This will help to prevent the pump from clogging or malfunctioning.
• Battery Backup: If you have a battery backup for your sump pump, test it regularly to ensure that it is working properly. A battery backup can be a lifesaver during power outages.

Addressing Issues Promptly: Preventing Further Damage

The key to long-term crawl space protection is to address any issues promptly. Ignoring even minor problems can lead to more significant and costly repairs down the road.

• Repairing Vapor Barrier Damage: If you find any punctures or tears in the vapor barrier, repair them immediately with vapor barrier tape.
• Mold Remediation: If you find mold growth, address it immediately. Small areas of mold can often be cleaned with a mold-killing solution. However, larger infestations may require professional remediation.
• Pest Control: If you find signs of pests, take steps to eliminate them. This may involve setting traps, applying pesticides, or hiring a professional pest control service.
• Water Leaks: If you find any water leaks, identify the source and repair them as soon as possible. This may involve repairing plumbing leaks, sealing foundation cracks, or improving exterior drainage.

By implementing a consistent maintenance plan and addressing issues promptly, you can ensure that your encapsulated crawl space remains dry, healthy, and protected for years to come. This proactive approach not only safeguards your investment but also contributes to a healthier and more comfortable living environment for your entire home.

DIY vs. Professional Encapsulation: Making the Right Choice for Your Home

Having explored the materials and process of crawl space encapsulation, you’re likely considering the next step: implementation. But a crucial question remains: should you tackle this project yourself, or hire a professional contractor? The answer isn’t always straightforward and depends heavily on your individual circumstances, skills, and tolerance for risk.

Considerations for the DIY Enthusiast

Embarking on a crawl space encapsulation project as a DIY endeavor can be appealing, especially for homeowners comfortable with home improvement projects. It offers the potential for significant cost savings, and the satisfaction of completing the job yourself. However, it’s essential to conduct a realistic self-assessment before diving in.

Skill Level and Physical Demands

Crawl space encapsulation isn’t a simple weekend task. It requires a moderate to high level of construction and DIY skills. Experience with measuring, cutting, sealing, and fastening materials is crucial.

The work itself is physically demanding, often involving crawling in confined spaces, working in awkward positions, and lifting heavy materials. Consider your physical limitations and overall health before committing to the project.

Time Commitment

Encapsulating a crawl space is a time-intensive project. From initial assessment and planning, to material procurement and installation, expect to dedicate a significant amount of time, potentially spanning several days or even weeks, depending on the size and complexity of the crawl space.

Are you prepared to sacrifice your free time and potentially disrupt your daily routine? Factor in potential delays due to unforeseen issues or material shortages.

Tool Requirements and Material Access

Proper crawl space encapsulation demands specialized tools. A basic toolkit won’t suffice; you’ll likely need items like a heavy-duty staple gun, seam tape applicator, moisture meter, and potentially a concrete drill. Assess whether you already own these tools or need to purchase/rent them.

Securing quality encapsulation materials is also crucial. While big-box stores offer some options, professional-grade vapor barriers, insulation, and dehumidifiers might be harder to source. Consider the accessibility and cost of acquiring the necessary materials.

The Benefits of Hiring a Professional Contractor

Engaging a professional contractor for crawl space encapsulation offers numerous advantages, albeit at a higher cost.

Expertise and Experience

Professional contractors bring years of experience and specialized knowledge to the table. They can accurately assess the unique challenges of your crawl space, recommend the most appropriate solutions, and execute the encapsulation process efficiently and effectively.

They are familiar with building codes, best practices, and potential pitfalls, minimizing the risk of errors that could compromise the effectiveness of the encapsulation.

Efficiency and Time Savings

Contractors work quickly and efficiently, leveraging their expertise and specialized equipment to complete the project in a fraction of the time it would take a DIY enthusiast. This can be particularly beneficial if you have a busy schedule or need the job completed urgently.

Warranty and Peace of Mind

Reputable contractors typically offer warranties on their workmanship and materials. This provides valuable peace of mind, knowing that you’re protected against potential defects or failures. A warranty can save you significant money and hassle in the long run if issues arise after the encapsulation.

Identifying and Addressing Underlying Issues

A professional can identify underlying issues that may not be immediately apparent to a homeowner, such as drainage problems, structural weaknesses, or pest infestations. Addressing these issues before encapsulation is crucial for ensuring the long-term success of the project.

Choosing between DIY and professional encapsulation depends on your individual circumstances. Carefully weigh the factors outlined above to make an informed decision that aligns with your skills, budget, and risk tolerance.

So, that’s the scoop on crawl space encapsulation materials! Hopefully, this guide helped you figure out what you need to know to get your project off the ground. Good luck, and stay dry down there!