![The existing basement slab is retrofitted by installing a dimple plastic drainage mat, rigid foam insulation, and a floating subfloor | Building America Solution Center The existing basement slab is retrofitted by installing a dimple plastic drainage mat, rigid foam insulation, and a floating subfloor | Building America Solution Center](https://basc.pnnl.gov/sites/default/files/images/TE7242_InsuFoundSlab-1_BSC_09-10-2015.jpg)
The existing basement slab is retrofitted by installing a dimple plastic drainage mat, rigid foam insulation, and a floating subfloor | Building America Solution Center
![Dimple Mat Dimple Plate Waterproofing Drainage Board - China Plastic Drainage Board, Green Roof Drainage Board | Made-in-China.com Dimple Mat Dimple Plate Waterproofing Drainage Board - China Plastic Drainage Board, Green Roof Drainage Board | Made-in-China.com](https://image.made-in-china.com/202f0j00ytfYwBRaTzuE/Dimple-Mat-Dimple-Plate-Waterproofing-Drainage-Board.jpg)
Dimple Mat Dimple Plate Waterproofing Drainage Board - China Plastic Drainage Board, Green Roof Drainage Board | Made-in-China.com
![House Foundation Wall Insulation with Rigid Foam Board and Waterproofing Membrane. Basement Waterproofing with Dimple Mat, Dimple Stock Photo - Image of construction, rigid: 276641908 House Foundation Wall Insulation with Rigid Foam Board and Waterproofing Membrane. Basement Waterproofing with Dimple Mat, Dimple Stock Photo - Image of construction, rigid: 276641908](https://thumbs.dreamstime.com/z/house-foundation-wall-insulation-rigid-foam-board-waterproofing-membrane-basement-dimple-mat-drain-276641908.jpg)