Crawl Space Encapsulation Supplies From Crawl Space DIY Shop Our Best-Selling Products Kickstart your project with Crawl Space DIY, your go-to source for the best encapsulation and insulation supplies featuring vapor barriers, dehumidifiers, insulation, sump pumps, and so much more! Shop now Project Bundles Prepare For Summer Rain! All Westinghouse Products 10% off Westinghouse | WH50BBU | 1/2 HP Compact Primary and Battery Backup Pump System The Westinghouse 1/2 HP compact primary and battery backup pump system is designed to protect basements from flooding during power outages or high water volume instances. Its durable stainless steel and cast iron design provide you with the comfort to know Westinghouse Compact primary and Backup pump system are continually working to protect your family’s biggest asset. The 10% discount for Westinghouse products will be applied at the checkout page. $499.00 –1+ Add to cart Crawl Space Supplies By Categories Air Quality Crawl Space Foundation Waterproofing Insulation Sump Pump Mold Check out our featured Crawl Space Products Westinghouse | WH25UP21 | 2-in-1 Utility Pump $139.99 –1+ Add to cart Westinghouse | WH50BBU | 1/2 HP Compact Primary and Battery Backup Pump System $499.00 –1+ Add to cart Aprilaire E070 Pro Complete Kit – 70 Pint Dehumidifier Bundle $1,505.99 –1+ Add to cart Crawl Space Premium Drainage Matting | 4’x50’ | Crawl Space DIY $119.99 –1+ Add to cart Westinghouse | WH25UP21 | 2-in-1 Utility Pump $139.99 –1+ Add to cart Westinghouse | WH50BBU | 1/2 HP Compact Primary and Battery Backup Pump System $499.00 –1+ Add to cart We Have All The Brands You Trust Testimonials from Our customers Chad Roberts I received this dehumidifier a few weeks ago for my basement and I can’t be any happier with the product. The best part is that there is no wate… Read Morer tray to be emptied!Read Less Brittney Amos Fast Shipping, I just got it installed yesterday but so far I love being able to control it with my phone. Will buy again from Crawl Space DIY Eli Weiss The main reason I bought from this company is due to free shipping. I went with this dehumidifier due to the ultra-compact design and it fits perfectl… Read Morey in my low crawl space.Read Less John Doe I couldn’t believe how fast this dehumidifier arrived at my home and it being free shipping was the cherry on top for me. I will be a repeat cus… Read Moretomer.Read Less Cody Stevenson This liner was great. I needed help installing it and Crawl Space was able to give me some pointers over the phone. Mike Stiers I really like this white drainage matting. Looks great in my crawl space! The price was the best of found for this quality of product.… Read MoreRead Less View All Write a reviewHelpful product & installation guides From Crawl Space DIY Whether you’re looking to encapsulate your crawl space or just install a dehumidifier, Crawl Space DIY offers expert advice and step-by-step instructions to simplify the process and save time and money on your next project. DIY Guides