What is the psi value?
The psi value (Ψ) is the extra heat loss per metre of a linear thermal bridge, in W/(m·K). How to use it, how it is determined and how to reduce it.
What is a corbelled vault?
A corbelled vault (false vault) looks like a vault but is built from courses of stone that each project a little further. How it works, famous examples and its limits.
What is a pseudo-transept?
A pseudo-transept looks like a transept from outside, but has no crossing and is lower than the nave. Learn how it differs from a true transept and how to spot one.
Building a Pétanque Court in the Garden
Building a pétanque court in the garden? Dimensions, a 3-layer build-up, which gravel, costs and material calculation. Fred’s complete guide.
Connecting an induction hob: Perilex, cooker circuit or single phase?
Connecting an induction hob: will it run on your existing 16A circuit, or do you need Perilex and 400V? Real values, cable sizes and safe DIY.
What is a pseudo-basilica?
A pseudo-basilica is a church whose nave is higher than the aisles but has no windows of its own above the aisle roofs — in other words, no clerestory.
What is EPS foundation formwork?
EPS foundation formwork is permanent formwork of expanded polystyrene: the elements form the mould for the ground beam and stay in place as perimeter insulation.
What is brooming of a pile head?
Brooming is the splaying and fraying of the head of a timber pile that has been driven for too long: the fibres spread out like a broom and the head loses its function.
What is a pronaos?
The pronaos is the roofed front porch of a classical temple: the space between the columns of the front and the door of the naos or cella.
What is a property developer?
A property developer initiates and organises building projects at their own expense and risk: from land acquisition and planning through to construction and sale.