Corrosion protection for steel fixings on coastal sites: choosing the coating
Fixings and connectors are the first parts of a coastal build to rust and the easiest to get wrong. This is how to match the coating to the exposure before the order is placed.
11 min read
Topic
Durability
Articles and news about Durability for Australian builders.
Corrosion protection for steel fixings on coastal sites: choosing the coating
Fixings and connectors are the first parts of a coastal build to rust and the easiest to get wrong. This is how to match the coating to the exposure before the order is placed.
11 min read
Roof sheeting fixings: choosing screws that last
A roof sheet is only as good as the screw holding it, and the screw fails quietly from corrosion, a loose washer or a head driven too far long before anyone looks at the roof again.
11 min read
Efflorescence on face brick: causes and prevention
The white bloom on new brickwork is salt carried to the surface by moisture. Builders can control most of it by managing where the salts come from and where the water goes during construction.
11 min read
Treated timber: picking the right hazard level, cutting it and storing it on site
Hazard levels describe the biological threat a piece of timber will face in service, not how strong it is. Get the level wrong, leave cut ends exposed or store it badly, and the treatment you paid for will not deliver the life you assumed.
13 min read
Galvanic corrosion between dissimilar metals: isolation detailing that survives the warranty period
Galvanic corrosion is a detailing problem, not a materials problem. It starts wherever two dissimilar metals touch and an electrolyte bridges them, and it is almost always created by a fixing or a flashing decision nobody recorded.
11 min read
Wall cladding fixings, clearances and ground levels
Cladding rarely fails because the sheet was the wrong product. It fails because the fixing, the clearance or the ground level under it was set by habit rather than by the manufacturer’s instructions and the NCC.
12 min read
Reinforcement cover and concrete durability in coastal and exposed sites
Cover is not a dimensional detail you check once at pre-pour. On coastal and exposed sites it is the single largest determinant of how long the reinforcement inside a slab, footing or column stays passive.
13 min read