Duratherm Insulated Foundation System Calculator

Job Address

My project is located in this Territorial Authorities Region?

Floor Slab Area :

Floor Slab Perimeter :

I have measured the floor slab :

To the outside edge of the floor slab To the inside edge of the wall structure

What thickness is the wall structure I have in mm (ie. 90 for standard framing) :

Slab edge insulation is installed :

Prior to pouring the slab (Cast in the foundation) After the slab has been poured

Duratherm Series:-

Duratherm Gold 22mm – Pre-Pour Installation

Duratherm Blue 33mm – Pre-Pour Installation

Duratherm Blue 33mm – Post-Pour Installation

Underslab insulation is installed :

No underslab insulation is required

Around the perimeter 0.3m under the slab

Fully under the floor slab and foundation wall

Am I constructing a step-down rebate in the slab for Masonry Veneer or similar :

No need for a rebate, my facade is hanging passed the foundation I want a rebate

I am going to pour a :

NZS3604 Slab
220mm Pod Slab
300mm Pod Slab
260mm Cupolex Pod Slab