BASC Search | Building America Solution Center

Right - Flood resistant slab and crawlspace foundations elevate the floor above the design flood elevation.

Publication Date

Wed, 12/01/2010 - 12:00

FORTIFIED Home Eligibility Requirements—Foundations - Eligibility Requirements and Retrofit Requirements for Elevated-Floor (Not Slab-on-Grade) Houses

Author(s)

Insurance Institute for Business and Home Safety

Organization(s)

IBHS

Publication Date

April, 2017

Checklist intending to clarify FORTIFIED Home™ eligibility requirements that relate to a home’s foundation.

Patio Slabs, Porch Slabs, Walkways, and Driveways Slope Away from House

Guide describing how to correctly slope solid surfaces outside a home so rainwater flows away from the home.

Building Enclosure: Foundation Overview

Constructability of Elevating Concrete Slabs on Grade

Publication Date

April, 2019

Author(s)

American Concrete Institute

Organization(s)

ACI

Video from American Concrete Institute explaining the differences between foundation construction strategies and heights to mitigate damage from flooding.

Elevated slab construction with no water sensitive materials on first level

Publication Date

Sun, 10/01/2006 - 12:00

Final Grade Slopes Away from Foundation

Guide describing how to properly grade a site so water will flow away from the foundation.

Right – The drain slopes away from the foundation and terminates at the proper distance

Publication Date

Tue, 02/01/2011 - 12:00

Wrong – Drain pipe has been cut and foundation penetration has not been properly sealed

Publication Date

Tue, 02/01/2011 - 12:00

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.

Publication Date

Thu, 03/01/2012 - 12:00

Poor drainage conditions can enable water to pool around the home.

Wrong – Driveway is not sloped away from the house

Publication Date

Tue, 02/01/2011 - 12:00

Right – Driveway is installed to slope water away from the house

Publication Date

Tue, 02/01/2011 - 12:00

Wrong – The final grade does not slope away from the house

Publication Date

Tue, 02/01/2011 - 12:00

Right – The final grade slopes away from the house

Publication Date

Tue, 02/01/2011 - 12:00

Comprehensive water management features include a capillary break (≥ 6-mil polyethylene sheeting) at all crawlspace floors

Publication Date

Fri, 05/01/2009 - 12:00

Safe Rooms and Storm Shelters

Guide describing design for shelter-in-place spaces during windstorm storm events.

FEMA P-320 Safe Room Design Concrete Plans and Details

PDF

Design and Retrofit for Flood Protection

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

Gutters and Downspouts

Guide describing the installation of gutters, downspouts, and alternate options for managing rainwater run-off from roofs.

Flooding Overview

Overview guide describing residential floodproofing steps.

Swales, Drains, and Site Grading for Stormwater Control

Guide describing the use of swales, French drains, and site grading to minimize saturation of foundations and ponding of stormwater runoff on sites.