Nov 9, 2023 · I’ve done basement slabs with 2″ vertical foam around the edge, but here we have CMU walls with massive hold-down bolts making foam around the edge next to impossible. This article …

Aug 26, 2014 · The BRANZ House Insulation Guide Fifth Edition includes waffle pod slab systems, and a concrete slab edge insulation update. I review the options.

Oct 1, 2023 · The purpose of perimeter slab-edge insulation is to reduce heat conduction through the ground to the upper layer of soil and/or ambient air. Perimeter insulation which extends to a depth of …

Insulation requirements for slab on grade floors is further specified in IECC section 402.2.8. R-5 shall be added to the required slab edge R-values for heated slabs. Special Insulation exceptions related to …

EXPOL’s range of concrete floor (slab) edge insulation products provide thermal insulation and strength where it counts. Up to 10% of heat loss from a building is through the concrete slab. A building with …

Heated slab interior applies to concrete slab floors (both on and below grade) that incorporate a radiant heating system within the slab. Insulation shall be installed underneath the entire slab.

To determine the F-Factor for a vertical insulation assembly, determine the R-value and depth of the slab edge insulation. Vertical slab edge insulation extends from the top of the slab downward.

What? In cold climates, rigid insulation is installed on the edge of slabs during the construction of the slab. The insulation must extend to the top of the slab. Proper installation minimizes thermal bridging, …

The top edge of the insulation installed between the exterior wall and the edge of the interior slab shall be permitted to be cut at a 45-degree (0.79 rad) angle away from the exterior wall. Slab-edge …

Slab insulation must extend to the top of the slab to provide a complete thermal break. If the top edge of the insulation is installed between the exterior wall and the edge of the interior slab, it is permitted to …

The vertical (slab edge) insulation construction details you specify in this screen and in the envelope table should represent the insulation that starts at the top of the slab edge and extends downward or …

Most concrete floor slabs have a floor level 100 mm or more above ground and this exposed edge is subject to these surface temperature fluctuations, even if there is under-slab insulation. Putting aside …

Aug 5, 2025 · Learn more about concrete slab insulation and slab edge insulation to be best informed when it comes to under slab insulation.

Slab Insulation Slabs can be big culprits for energy loss from heat that is conducted outward through the perimeter of the slab. Properly insulating slab edges can save up to 8% on heating use1 and …