What is water level management?
Water level management is the deliberate control of surface water levels in ditches and polders, which in turn affects groundwater under houses and foundations.
What is the datum level?
The datum level is the zero point for every height dimension on a construction drawing, usually the top of the finished ground floor, marked as 0.000.
What is the PEI rating?
The PEI rating is the abrasion class of glazed ceramic tiles, from PEI 1 to PEI 5, showing how much foot traffic the glaze can take.
What is a phase change material (PCM)?
A PCM stores heat by melting and releases it again by solidifying, flattening indoor temperature peaks in lightweight buildings.
What is PCC mortar?
PCC mortar is a cement-bound repair mortar with a polymer addition, giving better adhesion, lower shrinkage and lower water absorption than ordinary mortar.
What is PC mortar?
PC mortar is a reactive resin mortar for concrete repair in which synthetic resin replaces cement as the binder — fast setting, strong, but only in thin layers.
How to Cast Your Own Concrete Planter: The Complete Guide
Casting your own concrete planter? Mix ratio, moulds, reinforcement, drainage, curing time and common mistakes. Get it right the first time.
Installing a bank revetment along a pond or ditch: the complete guide
Installing a bank revetment along your pond or ditch yourself? Step-by-step guide, materials, cost per metre and the rules explained. Get it right.
What is PBA (polyurethane bonded aggregate)?
PBA stands for polyurethane bonded aggregate: mineral particles — usually rock armour — glued together with polyurethane into a continuous but porous revetment. In hydraulic engineering it is used as a facing on dykes, embankments and structures exposed to wave attack. What makes it different Unlike a revetment of grouted asphalt or concrete, PBA leaves […]
What is patination?
Patination is the deliberate creation of an aged, worn appearance on a surface, so that it looks as though it has been in place for a long time. Where patina forms by itself, patination is an applied treatment — chemical, painted or mechanical. Methods Chemical patination of metal — copper and bronze are treated with […]