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Epitome foundation walls were developed by a builder who was tired of scheduling delays caused by a shortage of concrete subcontractors, according to the manufacturer. Glenn Schiffmann began looking at alternatives, including precast concrete. But in the end, he settled on a composite with a core of rigid foam insulation.
Insulation can be applied on either side of the foundation wall, and the code permits both continuous insulation (like rigid foam) and cavity insulation (such as fiberglass placed in a stud wall on the inside of the foundation). Code requirements are summarized in Table R402.1.3, but here are the basics: Climate zone 3: R-5 of continuous ...
The seals in Superior Walls may see much less stress than when polyurethane liquid sealant is used above grade. That's a good thing. The warranty for Superior Walls is provided not by the manufacturer, but by the individual franchise. You have posed a question to GBA that you should also pose to your pre-cast wall dealer.
for basement walls (half below and half above grade) Is it a good choice in terms of moisture management, durability and any VOC that may come from EPS (expanded polystyrene blocks) used for insulation? – Would you recommend still using exterior waterproofing below grade
harrison55 | Feb 29, 2020 07:35pm | #2. Here in Central Virginia builders routinely land the precast walls from Superior in clay soil with no treatment. They say no problems! On my own install, we sealed the precast concrete walls with liquid concrete sealer, just to be extra safe. One year on, no problems at all.
Footings support foundation walls, spreading the weight of the structure evenly on the soil below and preventing foundations and the structures they support from buckling, sinking, or cracking. In many locales, footings are made of steel-reinforced concrete, but the International Residential Code (IRC) also allows footings to be made from ...
The 48-hour graph below shows several periods of the radon level staying at 0.0 or 0.1 pCi/L for hours at a time. Wow! Radon level for 48 hours ending 6 am 4 Mar. 2024, as measured by Airthings Space Plus IAQ monitor. So, we have some significant radon reduction going on here.
The basement uses a precast concrete foundation from Superior Walls, and it will be a conditioned basement. The precast wall system is easy to insulate, except at the edge of the slab floor. For structural reasons, the slab is poured inside the precast wall and the slab needs to be tied into the bottom plate of the precast wall.
I’m building a house utilizing Superior Walls precast concrete walls for our walkout basement foundation and our above grade exterior walls. We are located in climate zone 3 in North Carolina. The walls are going to be pre-insulated with polyisocyanurate between the studs. The polyisocyanurate is foil faced on the interior side.
require shear walls to provide extra bracing, depend-ing on how tall the walls are and how much backfill will be placed against them. Superior Walls panels come in three standard heights: 8 ft. 2 in., 9 ft., and 10 ft. You also can order custom heights; however, the cost advantage begins to diminish for crawlspace and irregular-foundation details.