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Waterproofing terms, defined

Plain definitions of the waterproofing words that come up on estimates, inspections and supplier calls, written for waterproofing companies. Each term says where it matters on the job and links the Koira calculator, cost guide or template that goes with it.

C

WaterproofingCrawl space encapsulationCrawl space encapsulation seals the crawl space floor and walls with a heavy vapor barrier, closes the vents and controls humidity, usually with a dehumidifier.

D

WaterproofingDampproofingDampproofing is a coating on the outside of a foundation wall that slows moisture moving through it.Shared with RestorationDehumidifierA dehumidifier pulls moisture out of the air.

E

WaterproofingEfflorescenceEfflorescence is the white, powdery salt deposit left on concrete, brick or block when water moves through it and evaporates at the surface.Shared with Windows and DoorsEgress windowAn egress window is a window big enough and low enough for a person to climb out in a fire and for a firefighter to climb in.

F

WaterproofingFoundation drainA foundation drain is a perforated pipe or gravel drain installed outside the footing during construction to carry groundwater away from the foundation.WaterproofingFrench drainA French drain is a trench filled with gravel around a perforated pipe that collects groundwater or surface water and carries it away.

H

WaterproofingHydrostatic pressureHydrostatic pressure is the push of groundwater against foundation walls and floors when the soil around them is saturated.

I

WaterproofingInterior drain tileInterior drain tile is a perforated pipe set in a trench along the inside of the basement wall, under the floor, that collects water and carries it to a sump.

L

Shared with LandscapingLot gradingLot grading is shaping the ground so rain and snowmelt flow away from the house to a safe place, rather than toward the foundation.

S

Shared with PlumbingSump pumpA sump pump sits in a pit at the low point of a basement or crawl space and pumps out groundwater that collects there.

V

Shared with InsulationVapor retarderA vapor retarder is a material that slows water vapor moving through a wall, ceiling or floor.

W

WaterproofingWindow wellA window well is the metal, plastic or concrete enclosure dug out around a basement window below grade, keeping soil back and letting in light.

More for waterproofing companies: free waterproofing tools, templates and guides and how the trade runs on Koira. Or browse the whole glossary.

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Waterproofing Glossary: Terms and Definitions | Koira