Premium Crawl Space Encapsulation Supplies
Trusted by Contractors Across North Carolina
You need reliable crawl space materials, fast shipping, and expert support. That’s where we come in. The Crawlspace Supply Company helps contractors across North Carolina build better systems, win more jobs, and finish installs faster.
The Viper CS Premium Class A Woven is a high-performance, heavy-duty material designed for crawl space and foundation applications. Made with premium, woven fabric, this product offers superior durability, strength, and long-lasting performance in harsh environments. It’s perfect for wall and pier curtain installations, providing exceptional protection against moisture and vapor.
Key Features:
Class A Fire Rating for superior fire protection
Heavy-Duty Woven Construction to withstand tough environments
Moisture and Vapor Barrier designed to prevent moisture buildup and mitigate mold growth
UV Resistant to ensure long-lasting use even in high-exposure areas
Easy Installation with lightweight and flexible material
Available Sizes and Thicknesses:
6.5 mil. CS – 12’ x 100’ (1,200 sq ft)
10 mil. CS – 6’ x 100’ (600 sq ft)
12 mil. CS – 4’ x 200’ (800 sq ft)
12 mil. CS – 12’ x 100’ (1,200 sq ft)
16 mil. CS – 12’ x 100’ (1,200 sq ft)
20 mil. CS – 12’ x 100’ (1,200 sq ft)
This product is ideal for use in crawl spaces, foundations, and other demanding applications where moisture protection and durability are crucial. Its high tensile strength and flexibility make it perfect for custom-fit installations in both residential and commercial environments.
Vapor Barriers
Heavy-duty crawl space vapor barriers designed to block moisture, improve energy efficiency, and protect against mold and mildew.
Protect your crawl space from excess moisture and standing water with our Crawl Space Sump Kit—a professional-grade drainage solution designed for durability and performance. This all-in-one kit includes everything you need for a reliable sump pump installation, making it ideal for contractors and homeowners tackling crawl space waterproofing projects.
Kit Includes:
1 – Glentronics CIS-33V 1/3 HP Cast Iron Submersible Sump Pump
1 – Coupling
1 – 2 ft. 1/2 in. PVC Pipe
Sump Pumps
Reliable sump pumps, drain systems, and accessories that help manage groundwater and prevent standing water in crawl spaces.
Tackle high humidity and improve air quality in large crawl spaces and basements with the Aprilaire E100. This powerful 100-pint dehumidifier is engineered for professional-grade performance, making it a top choice for contractors and homeowners looking to protect their property from excess moisture. Its durable build and quiet operation make it ideal for long-term crawl space or basement encapsulation projects.
Removes up to 12.5 gallons of moisture per day
Perfect for large crawl spaces and basement environments
Low-maintenance, energy-efficient performance
Dimensions: 14" (W) X 15" (H) X 26" (D)
Dehumidifiers
High-performance crawl space dehumidifiers built for durability and efficiency in moisture-prone environments — ideal for long-term humidity control.
Seal and protect large crawlspaces with this complete Insulated Crawlspace Encapsulation Kit, designed to cover 1,100 to 2,100 sq ft with an average wall height of 3'. This bundle includes everything needed for moisture control, insulation, and air quality enhancement—ideal for contractors or homeowners looking for a premium, all-in-one solution.
Kit Includes:
3 – Encoat Seam Tape
Coverage:
Crawlspaces between 1,100 – 2,100 sq ft
Average wall height: 3’
Need a Custom Package?
Have a smaller, larger, or uniquely shaped crawl space? No problem! Give us a call, and we’ll customize your kit to perfectly fit your space and needs.
Encapsulation Kits
Protect your home from moisture, mold, and musty odors with our all-in-one Crawl Space Encapsulation Kits—trusted by contractors for lasting performance and easy installation.
The Insul Barrier Foundation Blanket is a high-performance insulation and vapor barrier solution designed specifically for crawl space and basement applications. This 4-foot by 25-foot roll provides 100 square feet of thermal protection and moisture control, helping to improve energy efficiency and reduce humidity in your foundation space.
Made from durable closed-cell foam with a heavy-duty reflective facing, this blanket reflects radiant heat while acting as a moisture barrier against ground vapor. It’s flexible, lightweight, and easy to cut and install with mechanical fasteners or adhesive.
Key Features:
Covers 100 sq ft (4 ft x 25 ft roll)
Ideal for crawl space and basement wall insulation
Acts as a vapor barrier and thermal reflector
Closed-cell foam core resists moisture, mold, and mildew
Increases home energy efficiency and indoor air quality
Easy to install on walls, rim joists, and foundation surfaces
Applications:
Crawl Space Wall Insulation
Basement Foundation Blanket
Vapor Barrier Under Skirting or Between Floor Joists
Residential & Light Commercial Use
Insulation
Insulation solutions that resist moisture, improve thermal performance, and are made specifically for crawl space encapsulation systems.
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
Tapes & Adhesives
Installation-ready sealants, adhesives, and fastening materials made for securing vapor barriers, insulation, and liners with lasting strength.
Industry Leaders for Over 30 Years
We know what it takes to encapsulate a crawl space — because we’ve done it in some of the toughest, wettest environments in the U.S. Our durable, easy-to-install materials help contractors work faster and offer better warranties. We provide free delivery, bulk pricing, and expert guidance tailored to your project. Our top priority is serving North Carolina contractors with fast, reliable support.