House slabs in Sale, Victoria

Slabs designed for the soil

Every house slab starts with a soil report and an engineer's design. Much of Sale sits on alluvial clay that swells and shrinks with the seasons, so sites are often classed as moderately or highly reactive, and the design responds with deeper edge beams, stiffening beams, more steel or a waffle pod system. On sandy rises the design may be simpler. We build exactly to the drawings and raise questions early if anything on site does not match the report.

Who we work with

We pour slabs for builders, owner-builders, and families adding an extension, a unit at the back of a block or a granny flat. We coordinate with the plumber for under-slab drainage, the electrician for conduits, the termite installer and the building surveyor so that steel and pre-pour inspections happen on time.

Flood overlays and floor levels

Some parts of Sale and the surrounding district fall within land subject to inundation or flood overlays. In those areas council or the surveyor may set a minimum floor height, which affects fill, slab edge depth and how the site drains. We check the planning information and build to the levels on your plans.

Site preparation

We strip topsoil, cut and fill to level, compact as required by the engineer, and install pods or trench beams, vapour barrier, reinforcement and edge forms. Set-out is checked against the surveyor's marks before any concrete arrives.

Pour and curing

House slabs are poured in one continuous operation, usually with a pump. We finish to the level required for the floor coverings and cure the slab properly, protecting it from heat, wind and frost in the first critical days.

Waffle pod and raft slabs explained

A waffle pod slab sits on a grid of polystyrene void formers with reinforced ribs between them and a thickened edge beam around the outside. It uses less concrete and excavation and suits flat sites on reactive clay. A stiffened raft has deeper beams dug into the ground in a grid under the slab and suits sloping sites or more difficult soils. Your engineer chooses the system; we build either.

What we need from you

Before quoting a house slab we need the engineering drawings, the soil report, the architectural plans showing floor levels and set-out, and any planning conditions such as flood levels. If you are an owner-builder we can talk through the sequence of trades and inspections.

Plumbing and services under the slab

Sewer and stormwater drainage, water and gas lines, electrical conduits and termite collars all go in before concrete. We work with your plumber so pipes are tested and inspected, and protect penetrations through the slab during the pour.

Extensions joined to existing homes

Extensions need a new slab tied to the old house, usually with an engineered connection or articulation joint. Floor levels must line up inside, while outside levels must keep water away from both structures. Access to the back of an existing home often needs a line pump.

Units and granny flats

Small secondary dwellings and units are increasingly common on larger Sale blocks. We pour slabs for these to the engineer's design and can also pour the driveway, paths and patio around them.

Finishing for floor coverings

Slabs finished for tiles, timber, carpet or polished concrete need different tolerances. Tell us the planned floor coverings so the finish suits.

Quality checks before and after the pour

We check set-out against the surveyor's pegs, levels on the pods or beams, steel laps and cover, bar chairs and penetrations before concrete arrives, and confirm the inspection has been passed. After the pour we cure the slab and protect it from early loading.

Weather on pour day

House slabs are large and must be poured in one go, so weather planning is important. In summer we book early morning starts and have evaporation retarder and curing compound ready. In winter we avoid days with frost forecast overnight after the pour, or arrange covers. Heavy rain on pour day means rescheduling, because water on a fresh slab weakens the surface. We keep the builder informed so other trades can adjust their plans, and confirm the concrete order with the plant the afternoon before.

Build specification at a glance

Sale soils, Gippsland weather and Wellington Shire rules

Sale grew on the flats where the Thomson, Latrobe and Avon systems meet the Gippsland Lakes. Close to the rivers, the wetlands and Lake Guthridge, the ground is commonly heavy alluvial clay that holds water through winter and shrinks into deep cracks in a dry summer. On the higher ground and toward Wurruk and Longford there are sandy loams that drain well but loosen when they are disturbed, and along Ninety Mile Beach at Seaspray and the lake shore at Loch Sport the ground turns to fine coastal sand. Summers here regularly push past the high thirties, frosts are common on still winter mornings, and an easterly or a hot northerly can dry a fresh slab quickly. That combination is why we dig a test hole on every job and build the base, mix and curing around what we find.

Inside your own boundary, a driveway, path or patio normally needs no permit. Anything that crosses the nature strip, footpath or kerb needs a permit for works within the road reserve from Wellington Shire Council, which looks after Sale, Maffra, Stratford, Heyfield, Rosedale, Yarram and the lakes and coast townships. Access onto the Princes Highway, the South Gippsland Highway or other arterial roads also involves the state roads authority. Land subject to inundation overlays, house slabs and larger sheds can bring in a building surveyor and an engineer. Your quote states exactly what applies.

Reading a Sale Concreting quote

Every quote we send is itemised line by line. It lists the measured square metres, breaking out and carting away any existing concrete, pavers, asphalt or gravel, the excavation depth, the type and thickness of crushed rock and how it will be compacted, slab depth, the reinforcement and its cover, the finish or stone blend, where the saw cuts go, pits, grates and stormwater work, edging and steps, the sealer, and the Wellington Shire road-reserve permit if a crossover is involved. Extras such as a line pump, a long barrow run, traffic management on the Princes Highway or York Street, or boards to protect a neighbour's lawn appear as their own items so nothing is hidden.

You will not find square-metre rates anywhere on this site. In and around Sale, the same footprint can sit on firm sandy loam in the higher streets, on wet grey river-flat clay near the Thomson and Flooding Creek, or on uncontrolled fill behind an older house, and each needs a different base. A published figure would mislead most people, so we come out, look and price what your site really needs.