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To control surface water, the land should slope away from the building on all sides

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Elevated slab construction with no water sensitive materials on first level

Elevated slab construction with no water sensitive materials on first level

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New Charleston, SC home's first level used as parking, storage, and access space

New Charleston, SC home's first level used as parking, storage, and access space

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Designing for Floods, BSI-128

Reference

Report providing guidance on designing buildings to be flood resistant.

Rebuilding Houston, BSI–101

Reference

Report covering the reconstruction of flood damaged homes.

Provide a continuous air barrier from the rigid foam below the crawlspace floor joists to the rim joist to the exterior wall above

Provide a continuous air barrier from the rigid foam below the crawlspace floor joists to the rim joist to the exterior wall above

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Closed-cell spray foam insulates the floor above a vented crawlspace; a protection board made of fiber cement is screwed in place under the floor joists to keep out pests

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Flood-Resistant Crawlspace Foundations

Guide

Guide describing how to design or retrofit a crawlspace to reduce the risk of damage during a flood event.

Flood-Resistant Pier, Pile, Post, and Column Foundations

Guide

Guide describing how to construct flood-resistant homes using pier, pile, post, or column foundations.

Flood-Resistant Raised-Slab Foundations

Guide

Guide describing ways to construct a raised-slab foundation to increase a home's resistance to floods.

Flooding Overview

Information Guide

Overview guide describing residential floodproofing steps.

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.