Subfloor ventilation for suspended timber floors: keeping the underside dry
The space under a suspended timber floor is a moisture management system, not a leftover void. Get the airflow and ground cover right and the floor above stays stable; get it wrong and you will be back replacing bearers.
11 min read
Blog
Sustainability and Energy
Energy-efficient, all-electric and resilient homes are becoming the default. This is the practical side: what the rules ask for, what the products do, and how to build it well.
Subfloor ventilation for suspended timber floors: keeping the underside dry
The space under a suspended timber floor is a moisture management system, not a leftover void. Get the airflow and ground cover right and the floor above stays stable; get it wrong and you will be back replacing bearers.
11 min read
Roof ventilation and condensation risk in NSW homes
Condensation in a roof space is a ventilation problem before it is a waterproofing problem. Getting the roof space and ceiling detail right at frame stage is cheaper than fixing stained ceilings after handover.
13 min read
Specifying glazing for thermal comfort: a builder’s procurement and verification checklist
Glazing performance is decided long before the frames are fixed. This is a procurement and verification process: set the performance target, specify it in a way suppliers can price, and check what actually turns up on site.
11 min read
Thermal bridging in steel framing: fixes that actually work
A steel frame does not just hold the building up — it moves heat through the envelope wherever it crosses the insulation line. The remedies are detailing decisions, not product choices.
13 min read
Air sealing a residential envelope: where builders lose points
Air sealing fails for reasons that have nothing to do with the sealant. It fails because the sequence was wrong, the junctions were never detailed, and the defects were closed up before anyone could check them.
14 min read
NatHERS assessments and what they mean for your build
A NatHERS certificate is a design document, not a formality. It commits you to specific insulation, glazing and sealing outcomes that have to survive contact with the site.
10 min read
BASIX certificate NSW: what builders need before you start
A BASIX certificate is a commitment about the finished house, not a design report. If the built outcome does not match it, the problem lands on you.
12 min read