Ground Floor Slab Insulation

Alternative solutions 4 and 5 for continuous insulation of on ground concrete floor slabs.

Ground floor slab insulation.

Ground floor insulation below concrete slab thermal insulation is usually installed below the floor slab in buildings featuring continuous low level heating. 4 10 2012 3 climate zones e301 1 6 5 8 4 slab r value table 402 1 1 insulation and fenestration requirements by component e402 1 1 climatezone slab r valued 4 10 2 ft 5 10 2 ft 6 10 4 ft 9. Submitted in 2016 for drc step 3 construction documentation review was an. Suitable product for concrete slab on ground floor.

Our businesses in australia. Insulating a solid ground floor below the ground bearing concrete slab can be done using either pir insulation boards or eps insulation boards. Design considerations such as existing ground conditions the presence of radon gas or methane gas and the intended use of the building are among the factors that will dictate the choice of ground floor and also the insulation used within them. A recent caller to the branz helpline asked why the branz house insulation guide does not include examples of a slab on ground floor insulated using either polystyrene under the entire floor slab or a much thicker layer of insulation.

In a solid or ground bearing because it is continuously supported by the ground across its whole area concrete floor the choice of insulation position relative to the concrete slab is commonly linked to the building s heating system. With solutions ranging from our optim r vacuum insulation panels to our kooltherm phenolic insulation boards to therma pir insulation boards we can provide the best solution for solid floors below the screed or below the slab including floors with. These overall r values do not account for the heat sinking effect of concrete piers where they are included to support a slab footing from below. Eps can be a cost effective alternative to pir for floor insulation and the same thermal performance can be achieved with increased thickness.

Ground floors are usually constructed as either solid ground floors or suspended ground floors. Kooltherm k3 floorboard is a super high performance fibre free rigid thermoset closed cell phenolic insulation for solid concrete ground based floors. The answer is simply that the thermal performance achieved is essentially the same as only adding insulation under the floor slab for the first 1 2 m from the. Once the ground bearing concrete slab has been laid allow it to dry fully and ensure it is level and smooth free from projections.

For the floors of industrial. Use a thin sand blinding to level floors if required.