40 MIL Crawl Space Water Barrier
To adhere the HDPE water barrier membrane to the a foundation wall consider utilizing the HDPE Vertical Lock Adhesive or alternatively the self-adhering SubSeal Water Barrier product line.
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Most orders ship same day if placed before 12:00 PM EST. Transit times are displayed in business days, are typical but dependent on stock levels. Please contact us to check stock if your order must arrive on the exact timeframe as shown in the map below.
Need a Longer Roll? We offer our barrier in custom roll lengths of 100' increments. Additional production time and shipping costs bay be required. Please contact us to request a custom quote.
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1. Dig a trench a few inches back from the building's foundation and where you plan to install the water barrier. The trench should be 2” less deep than the depth of the barrier that is to be installed. For example if you are installing a 30” barrier, dig a 28” trench.
2. Place the water barrier in the trench. If connecting two segments of barrier be sure to overlap the segments by 2 feet, use sealant tape vertically and horizontally to connect the seam. The taped overlap will prevent the ground water from flowing through the joint.
HDPE water barrier can also be used as a root guard for trees, bamboo and weeds. When used as a root guard, the HDPE sheet effectively prevents the plant's root from spreading throughout the landscape.