Masonry
Brickwork, flooring, wall finishes and demolition.
Real differences between porcelain stoneware, laminate flooring and SPC vinyl flooring, the slip-resistance class each room requires and the material margin for each.
When standard C1 tile adhesive is enough for flooring and when to move up to C2, and the specific adhesive for glued vinyl.
What the waterproofing tape is for at the floor-wall junction of a shower, and which trim profile material to choose depending on the aesthetic requirement.
How many bricks or concrete blocks are needed per square metre of masonry, how much mortar they use and what margin to add for breakage.
How to calculate the tile area by format and cutting margin, and how much tile cement or C2 adhesive each tiled m² uses.
The difference between cement render, gypsum plaster and one-coat facade render, how many bags each needs per m² and when corner beads or fibre mesh are needed.
When sheeting protection is a municipal requirement, not an option, and why the edges of interior protective plastic must be properly sealed.
How much rubble a bathroom renovation generates, how many metres of chase are opened per hour and when hiring a skip is better than several van trips.
What distinguishes a simple partition demolition from a structural demolition with propping, and which waste management and protection items must not be forgotten.