Sealants, Tapes & Adhesives
Crawlspace Sealants, Tapes & Adhesives
Complete your crawlspace encapsulation project with professional-grade sealants, tapes, and adhesives.
Our collection of wall attachment tapes, seam tapes, and specialized caulks ensures your vapor barrier installation is secure, airtight, and built to last. These products are specifically designed to bond with polyethylene liners, foam insulation, and other crawlspace materials, giving you a moisture-proof and durable seal every time.
The Everkem Pro Series Foam Gun is a high-performance applicator designed for use with gun-dispensed polyurethane foams. Built for contractors and professionals, this foam gun provides superior control and minimal waste—perfect for crawl space encapsulation and basement sealing projects where precision matters.
Its adjustable flow control allows for accurate bead size, while the durable metal body ensures long-lasting performance, even with frequent use. The ergonomic design reduces fatigue during extended use, making it ideal for sealing wall cavities, rim joists, and vapor barriers.
Features:
Designed for use with gun-dispensed foam cans
Adjustable flow control for precise application
Durable metal body for heavy-duty job sites
Ideal for crawl space and basement air sealing
Easy maintenance and long service life
Encoat Heavy Duty Wall Tape is specifically designed for securing vapor barriers and insulation to foundation walls in crawl space encapsulation systems. This 1-inch wide tape is perfect for fine detail work where precision is key, such as vertical seams, wall liner attachment, or sealing overlaps in tight spaces.
Engineered with industrial-strength adhesive and a durable construction, this tape bonds firmly to concrete, masonry, and plastic sheeting to ensure long-lasting moisture protection.
Features:
1" width for targeted wall application and detail work
75-foot roll length for efficient coverage
Heavy-duty adhesive designed for foundation walls
Excellent compatibility with vapor barriers and liners
Ideal for crawl space encapsulation and moisture control
Everkem Window and Door is a low-pressure, minimal-expansion polyurethane foam formulated for precise air sealing around window and door frames, making it ideal for crawl space and basement applications that require controlled fill. Designed for use with a foam gun dispenser, this 24 oz can delivers professional-grade results with excellent adhesion and flexibility.
Unlike high-expansion foams, this formula won’t warp or distort frames and is perfect for sealing gaps around foundation vents, entry points, and rim joists. It bonds to a wide range of building materials and resists moisture infiltration, air leaks, and drafts.
Features:
Minimal expansion prevents warping of frames and materials
Designed for use with foam gun applicators
Seals small gaps and voids in crawl spaces and basements
Great for window and door openings, utility penetrations, rim joists
Excellent adhesion to wood, concrete, metal, and plastic
Moisture and air-resistant for energy efficiency
Tack-free in minutes, cures fully in hours
Everkem Full Fill GP is a versatile, one-component expanding polyurethane foam designed for sealing, insulating, and filling gaps in crawl spaces and basements. This general-purpose foam is ideal for use around foundation penetrations, sill plates, rim joists, vapor barrier edges, and other voids that require a tight, moisture-resistant seal.
Packaged with a convenient straw applicator, this foam expands to fill cracks and crevices—helping to prevent air leaks, moisture intrusion, and pest entry. It cures quickly and adheres to most building materials including wood, concrete, masonry, metal, and plastic.
Features:
General purpose polyurethane expanding foam
Seals gaps around pipes, vapor barriers, insulation, and more
Includes straw applicator for easy application
Ideal for crawl spaces, basements, and foundations
Expands to fill cracks and prevent air and moisture leaks
Bonds to most construction materials
Paintable and sandable after curing
Everkem Thermal Seal is a professional-grade, low-pressure polyurethane foam that functions as an all-in-one air sealant and fire block. Engineered for window and door applications, it’s perfect for sealing gaps, penetrations, and cavities in crawl spaces and basements where both air sealing and fire safety are priorities.
This 24 oz gun-grade can dispenses with precision, ensuring minimal expansion for controlled fills that won’t distort frames. It blocks air infiltration while providing an orange, code-compliant fire barrier seal around pipes, wires, and utility penetrations.
Features:
Minimal expansion ideal for framing, windows, and doors
Fire-block formula helps slow the spread of flames, smoke, and gases
Gun-applied for precise control and reduced waste
Great for crawl space and basement air sealing projects
Excellent adhesion to most building materials
Orange foam for code visibility and compliance
Tack-free in under 10 minutes; fully cures in 4–6 hours
Everkem Full Fill GP is a versatile, one-component expanding polyurethane foam designed for sealing, insulating, and filling gaps in crawl spaces and basements. This general-purpose foam is ideal for use around foundation penetrations, sill plates, rim joists, vapor barrier edges, and other voids that require a tight, moisture-resistant seal.
Packaged with a convenient straw applicator, this foam expands to fill cracks and crevices—helping to prevent air leaks, moisture intrusion, and pest entry. It cures quickly and adheres to most building materials including wood, concrete, masonry, metal, and plastic.
Features:
General purpose polyurethane expanding foam
Seals gaps around pipes, vapor barriers, insulation, and more
Includes straw applicator for easy application
Ideal for crawl spaces, basements, and foundations
Expands to fill cracks and prevent air and moisture leaks
Bonds to most construction materials
Paintable and sandable after curing
Everkem FlameTech is a low-pressure, one-component polyurethane foam specifically formulated as a fire-blocking sealant. Designed for use in construction gaps, penetrations, and joints, this 12 oz can is perfect for crawl space and basement applications where both air sealing and fire safety are critical.
With a bright orange color for easy code inspection, FlameTech meets IRC and IBC fire-blocking requirements. It’s dispensed via an included straw applicator for ease of use and controlled application—ideal for sealing around pipes, wires, and framing cavities in hard-to-reach spaces.
Features:
Fire-blocking formula compliant with building codes
Great for crawl spaces, basements, and framing penetrations
Straw-dispensed for convenient, precise application
Expands to fill gaps and prevent air, gas, and flame movement
Visible orange foam for easy identification
Quick tack-free time; fully cured in 4–6 hours
Evoseal MS is a premium-grade, moisture-curing hybrid polymer sealant engineered for crawl space encapsulation, foundation sealing, and general construction use. This high-performance sealant bonds to a wide variety of substrates including concrete, plastic, metal, and wood—making it an essential component for vapor barrier installation and crawl space waterproofing systems.
With its excellent flexibility and durability, Evo Seal MS creates a weather-resistant, permanent seal that won’t shrink or crack over time. Its low-VOC formulation and paintable finish make it ideal for indoor and outdoor applications.
Features:
High-performance hybrid polymer sealant
Bonds to concrete, poly sheeting, wood, and more
10.1 oz tube in white – easy to apply with standard caulk gun
Flexible, durable, and weather-resistant
Ideal for crawl space encapsulation, seams, and joints
Low odor and VOC compliant
Encoat Heavy Duty Wall Tape is specifically designed for securing vapor barriers and insulation to foundation walls in crawl space encapsulation systems. This 1-inch wide tape is perfect for fine detail work where precision is key, such as vertical seams, wall liner attachment, or sealing overlaps in tight spaces.
Engineered with industrial-strength adhesive and a durable construction, this tape bonds firmly to concrete, masonry, and plastic sheeting to ensure long-lasting moisture protection.
Features:
1" width for targeted wall application and detail work
75-foot roll length for efficient coverage
Heavy-duty adhesive designed for foundation walls
Excellent compatibility with vapor barriers and liners
Ideal for crawl space encapsulation and moisture control
Evoseal MS is a premium-grade, moisture-curing hybrid polymer sealant engineered for crawl space encapsulation, foundation sealing, and general construction use. This high-performance sealant bonds to a wide variety of substrates including concrete, plastic, metal, and wood—making it an essential component for vapor barrier installation and crawl space waterproofing systems.
With its excellent flexibility and durability, Evo Seal MS creates a weather-resistant, permanent seal that won’t shrink or crack over time. Its low-VOC formulation and paintable finish make it ideal for indoor and outdoor applications.
Features:
High-performance hybrid polymer sealant
Bonds to concrete, poly sheeting, wood, and more
10.1 oz tube in white – easy to apply with standard caulk gun
Flexible, durable, and weather-resistant
Ideal for crawl space encapsulation, seams, and joints
Low odor and VOC compliant
Our Premium Seam Tape is a heavy-duty, professional-grade adhesive solution designed for use with vapor barriers, insulation liners, and crawl space encapsulation systems. This tape ensures a secure, long-lasting seal that resists moisture, temperature changes, and wear over time. Perfect for crawl spaces, basements, and other moisture-prone environments, this white seam tape offers excellent adhesion to polyethylene and other common encapsulation materials. It’s ideal for sealing overlaps, patching holes, and reinforcing seams in both residential and commercial applications.
Features:
Strong adhesive for vapor barrier sealing
Designed for crawl space and basement use
Works on polyethylene and other liner materials
White finish for a clean, professional look
Everkem Thermal Seal is a professional-grade, low-pressure polyurethane foam that functions as an all-in-one air sealant and fire block. Engineered for window and door applications, it’s perfect for sealing gaps, penetrations, and cavities in crawl spaces and basements where both air sealing and fire safety are priorities.
This 24 oz gun-grade can dispenses with precision, ensuring minimal expansion for controlled fills that won’t distort frames. It blocks air infiltration while providing an orange, code-compliant fire barrier seal around pipes, wires, and utility penetrations.
Features:
Minimal expansion ideal for framing, windows, and doors
Fire-block formula helps slow the spread of flames, smoke, and gases
Gun-applied for precise control and reduced waste
Great for crawl space and basement air sealing projects
Excellent adhesion to most building materials
Orange foam for code visibility and compliance
Tack-free in under 10 minutes; fully cures in 4–6 hours
Everkem Window and Door is a low-pressure, minimal-expansion polyurethane foam formulated for precise air sealing around window and door frames, making it ideal for crawl space and basement applications that require controlled fill. Designed for use with a foam gun dispenser, this 24 oz can delivers professional-grade results with excellent adhesion and flexibility.
Unlike high-expansion foams, this formula won’t warp or distort frames and is perfect for sealing gaps around foundation vents, entry points, and rim joists. It bonds to a wide range of building materials and resists moisture infiltration, air leaks, and drafts.
Features:
Minimal expansion prevents warping of frames and materials
Designed for use with foam gun applicators
Seals small gaps and voids in crawl spaces and basements
Great for window and door openings, utility penetrations, rim joists
Excellent adhesion to wood, concrete, metal, and plastic
Moisture and air-resistant for energy efficiency
Tack-free in minutes, cures fully in hours
Our Premium Seam Tape is a heavy-duty, professional-grade adhesive solution designed for use with vapor barriers, insulation liners, and crawl space encapsulation systems. This tape ensures a secure, long-lasting seal that resists moisture, temperature changes, and wear over time. Perfect for crawl spaces, basements, and other moisture-prone environments, this white seam tape offers excellent adhesion to polyethylene and other common encapsulation materials. It’s ideal for sealing overlaps, patching holes, and reinforcing seams in both residential and commercial applications.
Features:
Strong adhesive for vapor barrier sealing
Designed for crawl space and basement use
Works on polyethylene and other liner materials
White finish for a clean, professional look
Why Choose Our Crawlspace Adhesives and Tapes?
Strong adhesion to vapor barriers, foam insulation, and masonry surfaces
Designed specifically for crawlspace conditions (humidity, temperature swings, etc.)
Long-lasting, flexible, and waterproof seals
Easy application for DIY or professional installation
A tight seal makes all the difference in preventing moisture intrusion, mold growth, and energy loss. Invest in quality tapes, caulks, and adhesives to protect your home from the ground up!
Sealants, Tapes & Adhesives FAQs
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Our Premium White Seam Tape is ideal for sealing seams between vapor barrier sheets, providing an airtight and waterproof bond.
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We recommend using Wall Attachment Tape paired with Wall and Column Caulk to securely bond the liner to your foundation walls and piers.
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Yes! Caulking and taping create a complete seal, preventing moisture and air leaks that could otherwise compromise the effectiveness of your vapor barrier.