Category Rénovation — Murs & cloisons

Double-buttering by format, spacers, cuts, grout: a straight wall of tiles — and what the rules require.

30 % of heat losses go through the roof: blown wool, minimum R for subsidies, vapour barrier and detail points, summarised.

Fill, skim, smooth, sand: the method to turn a tired wall into a new substrate without lining it with plasterboard.

Mandatory primer, matt/eggshell/satin finishes, drying conditions: the method for a flawless paint job on new boards.

Hollow-wall metal anchor, toggle, through-reinforcement: real capacities per fixing type and the thresholds not to exceed.

Green moisture-resistant board, waterproofing under tiles, exposure classes: what the rules require around a shower or bathtub.

Insulated panel + board bonded with adhesive mortar: the method, dabs every 30 cm, and the cases where bonding is forbidden.

Hangers every 1.20 m, channels every 60 cm, boards screwed across: the rules of a suspended ceiling that never cracks.

Standard grey, green moisture-resistant, blue acoustic, high-impact: the table to pick the right board for each room and use.

Airborne or impact noise? Mass-spring-mass walls, floating floors, suspended ceilings: what really works to get silence back.