What’s that white powdery stuff that can appear on brickwork?
Well the technical name is Efflorecence
It can also appear on concrete!
What Is Efflorescence, & How Is It Caused?
Basically it is caused by water soluble salts contained in either the mortar, or the bricks.
When any water in the wall (that has dissolved [read more…]
The house frame has all been completed, and inspected . . . . and then some idiot plumber drills holes in the frame like this!
Right through the bottom plate, and the top plate, of both storeys of the house!
Holes are often drilled in:
Studs* Plates* Beams /Joists
* see Basic Timber Frame for [read more…]
Some people refer to these as ‘spiderweb’ cracks but the technical name is ‘mapping cracks’.
That’s because they can look like a street map.
Generally they are much more obvious after rain as water seeps doown into the cracks.
These cracks are typically only 2-3mm deep and are as a result of the surface concrete [read more…]
Photo thanks to www.civilblog.org
One simple thing to improve the quality of concrete is to use a spray applied curing membrane. . . it’s a pity that this techniques doesn’t seem to be used much in Australian domestic building.
Purpose of Membrane
These membranes main purpose is to prevent the loss of moisture during [read more…]
Veneer galvanised brick tie
Brick ties, although small, have an important part to play in the structural strength of your new home.
In brick veneer construction, ties are used to pass all the sideways forces across the cavity (such as from wind) to the frame. For double brick construction the ties share the forces [read more…]
An issue with timber frames is making sure that the frame is bedded securely on the floor slab. . . . You don’t want movement of the frame when the house is completed!
Flatness of the Slab
You may think the building slab looks flat but in practice very few slabs are perfectly level.
The [read more…]