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Seal your crawl space with confidence using our Crawl Space Liner Seam Tape. Designed for high-performance adhesion, this tape creates airtight seals along vapor barrier seams, preventing moisture and air leaks. Its durable, weather-resistant material ensures a secure bond that lasts for years, even in challenging environments. With its wide design and easy application, this seam tape is the perfect finishing touch for your crawl space encapsulation project.
Seam tape is used to create a waterproof seal along liner seams. Tape roll measures 4″ wide by 180′ in length.
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Faye Jaime (verified owner) – July 11, 2018
Very strong sticky tape. Works great. Buy more then you think because once it sticks to itself it’s nearly impossible to separate. And having good scissors makes a world of difference, but have paint thinner or some kind of goo remover on hand as your scissors will bind after a bit of cutting.
Julie layton (verified owner) – March 29, 2021
Love this tape, it is super heavy duty, after I had taped all my seams my crawl got full of water twice and this tape held up all the way…..
Mark Wirgau – May 24, 2025
This is the best Tape I have ever used !!
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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 ... Read Moreis no water tray to be emptied!Read Less
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 D... Read MoreIYRead Less
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 fit... Read Mores perfectly in my low crawl space.Read Less
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 ... Read Morerepeat customer.Read Less
This liner was great. I needed help installing it and Crawl Space was able to give me some pointers over the phone.
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
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.
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