Renovating a wooden staircase: creaks, steps, finishes
Blondel formula, creaks, sanding, sealing or cladding the steps: making a staircase new again without replacing it.
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Replacing windows: full removal or retrofit?
Uw, Sw, full-frame removal vs retrofit installation, PVC/alu/wood: choosing joinery and avoiding the shrinking-glass trap.
Timber decking: joists, spacings and ventilation
Pedestals, joists every 40-50 cm, stainless screws, 1-2 % fall, air gap: building a deck that lasts.
Laying floor tiles: formats, adhesive and joints
Double-buttering from 1,100 cm², movement joints, levelling clips: glued floor tiling by the book.
Walk-in shower: waterproofing, fall and tileable tray
Tile-ready tray, liquid membrane, 1-2 % fall, linear drain: the rules for a level-access shower that never leaks.
Lighting: how many lumens per room?
Lumens per m², colour temperature, CRI, spots and dimmers: designing a renovation lighting plan, with figures.
Sizing hot-water radiators: the method
Watts per m³ by insulation level, delta T, position under the window, bleeding and balancing: sizing radiators right in renovation.
Single-flow or heat-recovery ventilation: choosing and sizing
Humidity-controlled systems, heat-recovery units: regulatory airflows, vents, ducts and the mistakes that make ventilation noisy or useless.
Tiling a bathroom wall: the method and the rules
Double-buttering by format, spacers, cuts, grout: a straight wall of tiles — and what the rules require.
Insulating a loft: blown wool, thicknesses, R ≥ 7
30 % of heat losses go through the roof: blown wool, minimum R for subsidies, vapour barrier and detail points, summarised.