Product Guide Foundations Foundation excavation can disturb plants, displace large amounts of soil, and sometimes lead to erosion problems. Photo: John Goldsmith. License: CC BY-SA 2.0. Behind the recommendations Related articles Behind the recommendations Related articles Foundations Responsibly sourced and low-impact foundation products, plus green waterproofing and drainage options More about Foundations Geopier's Low-Impact Foundation Support for Poor Soils Frost-Protected Shallow Foundations Pin Foundations: No Excavation Required How Water Moves Through Buildings EPA Primer on Moisture Control Filled With Strategies, Checklists A free resource outlines basic moisture-management practices for design, construction, and maintenance of both homes and commercial buildings. 30 Years Later – Fixing Those Drainage Problems Finally fixing the basement drainage problems that have plagued my house for 30 years Capillary Breaks: How to Get Them Right the First Time Most people understand that they need drainage—but they forget to plan for the water that flows uphill, and disaster can result.