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Step 8. Preparing The Slab or floor system.

Depending on what type of building block you have and what kind of house you have selected to build on it will determine whether you require a slab or floor system. Each has its own preparation requirements outlined.


A drainage plan should be supplied to you with your approved plans when they come back from council. If not they can be obtained by calling the local council. This plan can then be given to the plumber for accurate set-out to mains connection.


If you are going to employ a sub-contractor to complete foundation work, make sure that you get a written quote that explains exactly what work is to be carried out and a total quotation for this work.

Concrete prep - digging holes and laying reinforcingSlab Preparation

Installing footings and postsStumps

Footing Preparation

Now you will follow your site specific engineer's drawings which will have detailed information as to any special footing requirements, foundation and slab details. The report will also specify the size of the slab mesh, steel reinforcing bars in the footing etc.

The information in this report must be adhered to in the slab construction. The footing specifications will be different when building a brick veneer home against building a Hardiplank or Cedar Weatherboard home.

Your home may also be using an advanced footing system that does not require a concrete slab. But either way you will most likely be digging holes or building form work with possibly some form of reinforcing steel. If your footings are specialised you may be calling a contractor such as CV Substructures to engineer and install posts on your behalf.

It is very important to check that the overall measurements on the construction drawings tally up with the overall slab measurements.

REMEMBER: Call for council inspection before laying any concrete.

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Can I modify the standard plans or provide my own design?

Yes. All standard plans can be modified to suit your needs. You can change the number of rooms, increase or decrease the size of the house or if you prefer, you can bring your own plans for costing. more »

What is included in the kit?

A full inclusions list can be found here. In general however, the kit includes all materials required for lockup but does not include on-site labour, transport and delivery charges, site survey, site clearing, PC items, concrete for footings, Electrical and plumbing etc. more »

Where do you deliver to?

Delivery areas include all Australian states and territories. Arrangements can also be made for international deliveries excluding some countries. more »

In general how much could I expect to save if I decide to build a kit home as an owner builder?

As an owner builder/manager you are effectively cutting out the builder and therefore should make a saving of 20% to 30%. If you choose to be more hands on and undertake some of the manual tasks such as erecting the walls and roof trusses, installing windows, doors and painting the internal and externals etc, your savings will be increased further. more »

Is it hard to become an owner builder?

The process to obtain an owner builders permit is usually very straight forward. There are a few requirements and depending on which state you are building in, may also require you to undergo a short course (usually a weekend course), either online or at a training school. In most states a small application fee is payable. Click here for more owner builder information. more »

Are kit homes suitable for areas prone to cyclones?

Yes. Cyclonic kits can be purchased at an additional cost. These kits are manufactured with extra reinforcements that will make then suitable for areas prone to cyclones. All standard kits can be upgraded to cyclonic kits. All standard kits can be manufactured to meet with the cyclonic rating required for your area. more »

What is the turnaround time, from ordering the kit to onsite delivery?

This is determined by the size of the home. Generally we can have the kit on site within three to five weeks from time of ordering. more »

How will my kit home be delivered?

The entire kit can be delivered to your site in a shipping container, or part container and part by truck. Delivery can also be made in stages upon request. It is up to you what is more suited to your build plan. more »

How long does it take to build a kit home?

This depends upon the amount of labour and skill level. As a guide, a non-skilled owner builder can erect frames and roof trusses for an average size home in two to three days then the remainder of the build is similar to that of normal build times. A smaller kit can be built to lock up within a month. Larger, more complex homes will take longer. You should allow ten to twelve weeks on site for an average home. more »

Does the kit home come with warranty?

The steel frame is Backed by a 50 year BlueScope Steel warranty and all other components of the build have their individual manufacturers warranties. more »