Material Moisture

There are a number of materials used in construction that can be significantly affected by their own Moisture content, as well as impact on the ability to bond to other materials. This is fundamentally different to materials that get wet/are water d...

1.1 All timber must be seasoned and brought to the suitable/optimal moisture content for the project or area of the project. 1.2 The ONLY accurate way to assess moisture content is by conducting a Electrical resistance and impedance tests (usi...

2.1 Timber doors and windows are typically supplied without any finish (oil/sealer/paint). 2.2 Some doors are supplied as “redicoat” for internal applications or “duracoat” for external application – which are factory prime coated (undercoated...

3.1 The biggest area of complaints is a beautiful timber floor with shrinkage cracks between the boards or cupping of the boards, warping and splitting timbers. All of these problems are avoidable with care and control of the material to suit the...

4.1 There are several external timber flooring systems that can be adopted to provide a satisfactory outcome 4.2 Virtually all decks are a dark timber and all are sealed and treated. They are all horizontal or near horizontal, and are generall...

5.1 There are several timber cladding systems that will provide a satisfactory outcome 5.2 There are various profiles – which have a slight impact on the shrinkage characteristics, but in reality the important part is the Width – a board that ...

6.1 Timber fences and batten screens are similar to the above elements – they need suitable restraint across the face of the board and supports at close enough centres to resist warping/bowing. 6.2 Timber strip flooring or cladding inside or o...

7.1 Any timber used external of the building/wall must be a timber of a suitable durability class for external use. Refer to tables 1 and 2 below to prevent post construction deterioration and failure of the timber used and suitable for its intend...

8.1 Concrete dries at a rate of around one month per 25mm of slab. So a 100mm slab takes around 4 months to dry out. On a 6 month programme with a 200mm slab, the moisture content is likely to be an issue if there is a lot of wet weather that redu...

9.1 Concrete must reach a moisture content of less than 5.5% or a relative humidity of 70% for the application of vinyl in accordance with Australian Standard 2455. 9.2 Carpet can be laid with adhesives (same requirements as vinyl glue) or lai...

10.1 Typically coloured, exposed, acid washed type feature concrete pavements are sealed to lock in the colour, make it easier to clean and maintain. Note: Many shopping centres and the like clean the concrete daily with a rotary brush cleaner. If...

11.1 Refer to the Render policy 11.2 The render will not be painted until the moisture content in the render is no more than 15% as indicated by an electrical resistance test. Alternatively, it must be left to cure for a period of no less than...

Online Aust Timber Flooring Assoc https://www.atfa.com.au Timber Queensland https://www.timberqueensland.com.au Instrument Supply https://www.instrumentchoice.com.au Cement Concrete & Aggregates Aust. https://www.ccaa.com.au ...