![Spray foam insulation extends down the foundation wall to the slab, which has been retrofitted by cutting the slab to install drainage mat against the wall and a new perimeter footing drain, Spray foam insulation extends down the foundation wall to the slab, which has been retrofitted by cutting the slab to install drainage mat against the wall and a new perimeter footing drain,](https://basc.pnnl.gov/sites/default/files/images/TE7233_SprayFoamFoundation-4_BSC_09-10-2015.jpg)
Spray foam insulation extends down the foundation wall to the slab, which has been retrofitted by cutting the slab to install drainage mat against the wall and a new perimeter footing drain,
![A plastic fiber drainage mat rainscreen provides uniform support for the siding and allows moisture to flow horizontally and diagonally in addition to vertically. | Building America Solution Center A plastic fiber drainage mat rainscreen provides uniform support for the siding and allows moisture to flow horizontally and diagonally in addition to vertically. | Building America Solution Center](https://basc.pnnl.gov/sites/default/files/images/PlasticFiberDrainMatSupportSiding_NAHB_ResilientSiding.png)
A plastic fiber drainage mat rainscreen provides uniform support for the siding and allows moisture to flow horizontally and diagonally in addition to vertically. | Building America Solution Center
![Wall section // vertical board siding // above stucco exterior // 1" rigid insulation // drainage mat - GreenBuildingAdvisor Wall section // vertical board siding // above stucco exterior // 1" rigid insulation // drainage mat - GreenBuildingAdvisor](https://s3.amazonaws.com/greenbuildingadvisor.s3.tauntoncloud.com/app/uploads/2018/07/25002733/2-02514-main.png)
Wall section // vertical board siding // above stucco exterior // 1" rigid insulation // drainage mat - GreenBuildingAdvisor
![Hdpe Rainscreen Retaining Wall Drainage Mat - Buy Drainage Mat,Wall Drainage Mat,Retaining Wall Drainage Mat Product on Alibaba.com Hdpe Rainscreen Retaining Wall Drainage Mat - Buy Drainage Mat,Wall Drainage Mat,Retaining Wall Drainage Mat Product on Alibaba.com](https://sc01.alicdn.com/kf/HTB1Q5cWJpXXXXa.XVXXq6xXFXXXx/201194453/HTB1Q5cWJpXXXXa.XVXXq6xXFXXXx.jpg)