A drainage mesh or dimple plastic mat is installed over the existing slab then covered with rigid foam and a floating subfloor see figure 1.
Dimple mat and foam board.
Vacuum formed dimpled pattern allows incidental water to flow into footing drain.
Spray on waterproofing may require a protection board on the icf due to its softness.
The detail below shows the latter approach.
I ll be using metal siding above grade.
The protective board can a dimpled mat or a foam or fibrous insulation board.
Platon is made from tough durable high density polyethylene hdpe certainteed platon is a waterproofing membrane that provides superior moisture protection for all types of foundations in residential basement applications.
Insulate over concrete walls with 2 xps foam board on top of dimple mat.
Mar flex neofoam insulation board with neopor technology is a astm 578 pib 3028 expandable polystyrene foam board that has considerably better thermal insulation capability than.
6 9 8 4 dimple height.
Some installers sandwich the dimple mat between the concrete wall and the rigid foam.
It comes from the building america solution center.
1 xps over dimple mat over the floor.
Geo mat 6 9 geo mat 8 geo mat 4 color.
2x4 framing wood or metal haven t decided on top of dimplemat with insulations between studs with drywall on top.
A dampproofing coating is advisable behind drainage boards to prevent incidental moisture infiltration as long as it doesn t interfere with performance or the manufacturer s specifications.
Virgin hdpe outside layer and recycled hdpe core make it the most durable dimpled membrane on the market.
My current plan is to construct the foundation wall apply a parge coat probably with quikrete surface bond cement coat that with thoroseal then secure a superseal dimple mat up to grade then 3 of foam board or roxul insulation before backfilling.
Superseal dimpled membrane provides the maximum protection for your insulated concrete forms and is fast becoming the preferred choice.
One test i apply is if it sounds too good to be true it probably is.
Dimpled membrane made from high density polyethylene hdpe a co extruded product 60 recycled hdpe and 40 virgin hdpe.
Goal is maximum thermal comfort for little kids to play in the basement.
Without a protection board the spray on coating could be damaged from backfill.
Some elastomeric coatings claim that they do not need a protective layer and some dimpled mats are marketed as complete waterproofing system without a membrane but i am skeptical.
The above slab drainage layer must be connected to an interior sump pit.