I see a number of Superior installations and now I'm a little worried about the walk-out footings without interior drainage. I'm definately calling the local Superior rep about this. Be interesting to know what caused the failure of the drainage (obvious what caused the failure of the wall). Pretty sure Superior won't approve their own installations without the proper exterior drainage and gravel base but they don't require 3rd party water-proofing since their panels are waterproof and I don't think they address the use of walk-out footings with regard to drainage. If a turned down slab or footing and stem wall was installed for a walk out that may have stopped that drainage.something I hadn't really thought about. On the ones I installed when I was building I put a slope to the soil before I placed the gravel base to allow that drainage. ![]() I think Superior systems are designed to let the subsurface water drain underneath the structure. I have to wonder what caused the need for such drastic remediation in the first place. As mentioned, Superior is a good system but relies on the other components to be installed properly. I would love to see the Superior Wall opinion on this one. I will assume the water proofing contractor just didn't know that, but does now. Superior air-sealing details and vapor diffusion retarders are important for adequate performance. To remove those items a permit was required. Heavy rains came, water table went above normal, basement flooded water pushed on floor, floor cracked and let the water in.Īnyway point being, the floor system is part of the superior walls structure, along with the sub gravel. We did this in August, never hit an once of water. When I built my brothers home with superior walls, we dug the base placed 4" gravel, set in a complete 4" pipe floor system drain under the entire floor area, added the additional gravel base to give 12" plus as per superior walls.ĭrained to the required holding tanks, (water discharge plan) then added another set of 6" drains 24" below grade, roof leaders also with discharge tank. I have done a few Superior walls foundations, the floor system, yet alone the sub gravel should never be removed once back filled.Īs to proper drainage, none of us know what was done pre-wall installation. ![]() Installation companies wrong doing here IMO.
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