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Right - Closed-cell spray foam is used to retrofit an existing rubble basement foundation wall.

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A concrete slab floor can be elevated above local grade as a strategy to prevent flood damage.

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Spray foam extends down the inside of the foundation wall to the uninsulated slab; because the wall lacked exterior perimeter drainage, the slab was cut and an interior footing drain was installed.

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The goal of foundation moisture management is to construct the basement, crawlspace, or slab in a way that keeps moisture from getting in in the first place

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Revised Builder’s Guide to Frost Protected Shallow Foundations

Reference

Report describing how to construct a frost protected shallow foundation (FPSF) as a practical alternative to a deeper, more-costly foundation in cold regions with seasonal ground freezing and the potential for frost heave.

Radon Fan

Guide

Guide describing how to install a radon mitigation fan to actively remove radon from the home.

Vertical Radon Ventilation Pipe

Guide

Guide describing how to install a radon-mitigating vertical ventilation pipe in new and existing homes with various types of house foundations.

Design and Retrofit for Flood Protection

Information Guide

Information guide describing flood protection measures to minimize damage and increase structural resilience of homes during a flood.

Footing Drain Pipe

Guide

Guide describing how to help drain water away from the perimeter footing.

Safe Rooms and Storm Shelters

Guide

Guide describing the design of a shelter-in-place room in a home for protection during hurricanes and tornadoes.