Dimple Mat And Foam Board

The detail below shows the latter approach.

Dimple mat and foam board.

Geo mat 6 9 geo mat 8 geo mat 4 color. Vacuum formed dimpled pattern allows incidental water to flow into footing drain. 1 xps over dimple mat over the floor. Superseal dimpled membrane provides the maximum protection for your insulated concrete forms and is fast becoming the preferred choice.

6 9 8 4 dimple height. 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. Other installers put the dimple mat on the exterior side of the rigid foam between the rigid foam and the backfill. Spray on waterproofing may require a protection board on the icf due to its softness.

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. The above slab drainage layer must be connected to an interior sump pit. The dimpled drainage board can help reduce intermittent hydrostatic pressure because it moves water away before pressure can build against the foundation. 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.

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. Virgin hdpe outside layer and recycled hdpe core make it the most durable dimpled membrane on the market. It comes from the building america solution center. 50 50 50 roll height.

The protective board can a dimpled mat or a foam or fibrous insulation board. One test i apply is if it sounds too good to be true it probably is. Insulate over concrete walls with 2 xps foam board on top of dimple mat. 2x4 framing wood or metal haven t decided on top of dimplemat with insulations between studs with drywall on top.

Dimpled membrane made from high density polyethylene hdpe a co extruded product 60 recycled hdpe and 40 virgin hdpe. Without a protection board the spray on coating could be damaged from backfill. I ll be using metal siding above grade. Goal is maximum thermal comfort for little kids to play in the basement.