Basement Construction Checklist: Ten and Eleven - The Concrete Network

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The geological characteristics of your area are the most important factors in determining whether or not you have a radon gas problem. Check with your state Environmental Protection Agency (EPA) office to help determine the likelihood of a potential radon problem.

The following recommendation for venting radon is commonly accepted and can be installed at the time of construction for a very low cost. To ventilate radon, passively vent the soil and gravel beneath the basement slab via a PVC pipe to the outside through the roof. Then, if needed, and a fan in the PVC pipe at the attic level to pull the radon through. For specific recommendations, consult your state EPA office or your local building authorities.

lintel

The addition of porches, patios, crawl spaces, after the waterproofing is installed requires some care. Do not allow porches and stoops to crush and block the drainage system. Do not allow lintels or patios to be installed by penetrating the waterproofing. Arrange to have Tuff-N-Dri membrane applied prior to installation of lintel. Your local Tremco Barrier Solutions Contractor should be involved in the planning and construction of lintel tie in to ensure that all exposed wall space is thoroughly sealed to prevent water seepage. Patios, porches, stoops, and driveways should slope away from the foundation. If not, water can pool and enter in the unprotected areas above or around the waterproofing.