Showing results 1 - 50 of 62
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Impervious surfaces like patio slabs, sidewalks, and driveways that are within 10 feet of the home should slope away from the house.
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Comprehensive water management features include a capillary break (≥ 6-mil polyethylene sheeting) at all crawlspace floors
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Good water management practices like sloping grade away from house, and installing gutters, perimeter drain pipe, a capillary break, and free-draining soils or drainage mat protect the foundation from water saturation.
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Right - Basement slab with a capillary break of either gravel or a drainage mat.
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Right - Below-grade concrete has been properly sealed against moisture and is now having insulation installed.
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Right – Polyethylene sheeting vapor barrier is installed and sealed to the crawlspace walls with mastic
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Right – The drain slopes away from the foundation and terminates at the proper distance
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Right – The drain tile connects to a sump pump which will pump water away from the foundation
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Right – The drain tile is installed along the bottom of the entire foundation footing
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Right – The drain tile is wrapped in fabric which will prevent it clogging with debris
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Right – The insulated concrete forms that are below-grade have a damp-proof coating to prevent moisture seeping into the foundation
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The below-grade wall assembly includes dampproofing, draining details, and insulation.
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The seams of the rigid insulation are not taped and it will not provide a complete capillary break
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There is polyethylene sheeting installed to provide a capillary break between the ground and slab
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Wrong - Class I vapor retarder over framed basement walls can cause condensation, mold, and rotting because plastic prevents drying to the inside; the outside should have waterproofing and vertical drainage, and the framing should be spaced from the wall.
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Wrong - The below-grade concrete does not have the correct construction to be impermeable to moisture because the lumber is untreated and against the concrete that lacks waterproofing.
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Wrong – A poorly sealed window and window well allow bulk water to enter the crawlspace from ground that slopes toward the structure
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Wrong – Drain pipe has been cut and foundation penetration has not been properly sealed