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The basement is constructed with precast concrete walls lined with R-21.3 foil-faced rigid foam while an R-10 layer of XPS rigid foam covers the ground under the slab.

The basement is constructed with precast concrete walls lined with R-21.3 foil-faced rigid foam while an R-10 layer of XPS rigid foam covers the ground under the slab.

Residential Buildings: Foundations

Author(s)

U.S. Department of Energy

Organization(s)

DOE

Publication Date

August, 2022

Website describing the U.S. Department of Energy's residential buildings program.

Right – This wall is constructed with the sill plate overhanging the top of the foundation wall so that when rigid foam is installed on the exterior of the foundation wall, its surface will align with the surface of the wall sheathing.

Publication Date

Mon, 09/30/2019 - 12:00

Polyethylene Over Aggregate

Polyethylene Over Aggregate

Drainage techniques for slab-on-grade foundations

Drainage techniques for slab-on-grade foundations

Publication Date

Tue, 01/01/2013 - 12:00

Slab-on-grade radon control techniques

Slab-on-grade radon control techniques

Publication Date

Tue, 01/01/2013 - 12:00

Right - Basement slab with a capillary break of either gravel or a drainage mat.

Right - Basement slab with a capillary break of either gravel or a drainage mat.

Publication Date

Thu, 02/01/2018 - 12:00

Polyethylene sheeting covers the aggregate and extends down and under the footing to provide a capillary break between the ground and the slab and monolithic footing

Polyethylene sheeting covers the aggregate and extends down and under the footing to provide a capillary break between the ground and the slab and monolithic footing

Structural system components of slab-on-grade foundation with grade beam

Structural system components of slab-on-grade foundation with grade beam

Publication Date

Tue, 01/01/2013 - 12:00

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

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

Publication Date

Thu, 03/01/2012 - 12:00

Radon Fan

Guide describing how to install a radon mitigation fan with various types of house foundations.

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.

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.

Publication Date

Mon, 07/01/2013 - 12:00

Flood-Resistant Raised-Slab Foundations

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

Vertical Radon Ventilation Pipe

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

Capillary Break at Crawlspace Floor - Polyethylene Sheeting under Concrete Slab

Guide describing how to install a capillary break to help manage moisture in foundations.

Footing Drain Pipe

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