Thermal Break Concrete Foundatoin Wall

Detail of tss thermal break concrete slab solution showing structural load bearing anchor design.

Thermal break concrete foundatoin wall.

Foundations are part of a buildings thermal envelope. High points are ground down to ensure a completely level perimeter ready to receive the bottom plate. This reduces the exterior wall s effective r value. Foundation wall thermal break.

Looking over the plans our concrete sub is worried about the 7 thermal break between the basement and garage foundations no physical connection as currently drawn on the plans. Seams must be lapped 12 inches see figures 2 1 and 4 6. The separation is there in order to allow us to attach 5 of roxul comfortboard 80 to the basement foundation we ll be doing the same for the whole exterior perimeter of the basement foundation. The intersection at a slab on grade to foundation wall and exterior wall to foundation transition are both areas where heat flows out of a building.

The walls of the basement foundation 9 and garage foundation are scheduled to be poured next week. Thermal modeling has shown that the r value of the exterior wall can be reduced by as much as 70 due to thermal bridging where the wall foundation and interior floor slab meet. External to internal structural connections large area rain screen cladding and façade systems can impose thermal load on a main structure. Thermal break solution for foundation wall the wall to foundation transition is often overlooked as a source of heat loss within the building envelope.

Thermal break blocks reduce heat loss at foundation to wall transitions and roof to parapet intersections. Thermal bridging at foundation wall transitions creates heat loss at the foundation perimeter. This photo below shows the notched eps thermal break in detail before the surrounding concrete stem wall had been poured. Foundation wall and drainage scott describes the basement wall assembly.

Thermal break material tbm 1 a high strength thermal break material that reduces heat loss at balcony canopy shelf angle roof post and other structural steel connections where larger forces exist due to moment and dead loads. The as poured thermal break system is shown below. The above images show the placement of the first 140mm bottom plate and hold down straps. The thermal break is still visible below the thin layer of concrete spill and this will be cleaned up as the foundation wall is checked for any high points.

Must extend to the foundation wall. Used to create a thermal break see figure 2 3 for possible detail 502 1 6 7 ground cover. Concrete stem wall liquid water proof barrier black 8 eps and a layer of high density drain board tied into a drain at the toe of the footing.