Insulation of slab-on-ground floors must be performed to prevent heat loss through the slab, particularly for heated structures with ductwork running underneath it. This step should be undertaken especially if heated air flows beneath it.

For power trowelling concrete slabs, use float pans under the power trowel's blades in order to preserve the cream layer beneath. Sealers may also be applied for added aesthetic value.


Concrete slabs Melbourne is a durable material and if treated appropriately can last indefinitely. Furthermore, its fire retardant qualities and moisture resistant nature make it perfect for use as flooring material.

Concrete slabs can either be constructed directly in-situ or precast and contain aggregates like rock and sand that provide strength and durability to the finished product. Rebar can also be added for reinforcement purposes to increase load-bearing ability of the structure - an option known as reinforcing steel bars into concrete structures to increase strength.

Although concrete floors are generally utilitarian, they can also be decorated and colored to complement home styles and personal taste. Colour can either be added prior to placement of concrete or added afterward with paints, dyes and staining agents; or polished for an honed finish finish.

Moisture Resistance

Before installing any type of flooring - whether wood or otherwise - the slab must first be dry to ensure success. Excessive moisture levels can lead to numerous complications during installation, including adhesive failure, wood warping or cupping, blistered floor coatings and mold and mildew growth.

Moisture in a concrete slab fluctuates constantly; what may appear dry on the surface may actually be saturated deeper down, making a vapor retarder under your slab essential in helping it dry more rapidly.

Unfortunately, products and construction methods used to accelerate drying may actually block pathways necessary for moisture release from within a slab, leading to an in-situ concrete RH probe like ASTM F2170 in-situ RH probe to provide an accurate measurement of its moisture condition that allows accurate predictions as to when flooring installation can commence. As such, using such a probe and following manufacturer recommendations on its equilibration time provides you with scientifically based, predictive measurements of when floor covering installation can commence on any particular slab surface area - an ideal test!

Thermal Insulation

Concrete slabs provide excellent thermal mass in climates with fluctuating day-night temperature ranges. By absorbing and dissipating heat gradually over time, they can reduce energy use while creating thermal comfort - however for this to work effectively they must remain exposed (not hidden under flooring) and should ideally be insulated underneath or around their edges.

Insulating your slab is a straightforward process with various approaches available for doing it. One popular approach involves applying polyurethane or polyisocyanurate foam insulation directly onto its surface.

ROCKWOOL XPS and EPS insulation materials are often chosen to insulate slab floors directly, with ROCKWOOL XPS typically offering higher R-Value per inch than its competitor EPS. Both have high compressive strength to withstand backfill forces while remaining moisture resistant and fire safe; polyiso under slab insulation costs more but offers greater R-Value with reduced depth, as well as being vapor permanent.

Easy Maintenance

Concrete floor slabs may not be at the forefront of your mind when planning a building, but they play an essential role in stabilising structures. By providing a flat surface and connecting to walls, beams, and columns they provide support and help stabilise structures to prevent collapses and collapses.

Plain concrete that has been properly sealed and honed can be durable and easy to keep clean. Spills must be immediately cleaned to avoid staining; in particular acidsic or caustic liquids which could cause surface etching can stain as soon as they land. Grease stains can also be removed using baking soda or similar solutions.

For added appeal, a basic concrete slab can be polished for an eye-catching shine or stained or dyed for an exclusive decorative effect.