​Subgrade Waterproofing Services

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Because of our specific expertise and ability to quickly and efficiently install high quality roof systems, deck systems, and waterproofing systems, Ewell Construction is frequently applying sub grade water to homes and businesses..

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Sub Grade Waterproofing Examples:

High Quality Waterproof Deck

Sub Grade Waterproof Testing

Waterproof Testing on Deck

Sub Grade Installation

​What is the subgrade waterproofing procedure?​

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• ​A crew will excavate the area as the contractor stores the soil on the location or elsewhere if necessary.
• The crew will prepare the wall for waterproofing as the contractor will scrape, grind, and chip the area to remove any loose particles from the wall.
• After the wall has been prepared, the crew will install three coats of Vulkem 201R waterproofing membrane on the prepared area.
•  A ¼” foam board will then be installed to protect the waterproofing membrane from the soil.
•  The crew will re-compact the soil.​