Blog — Page 15 — PresupuestoYa

The Low Voltage Electrotechnical Regulation sets a minimum number of circuits according to the level of electrification. What they are and what each protects.

Concealed corrugated conduit and surface trunking protect the electrical cabling. How to calculate metres and diameters according to the type of circuit.

The point where the damp stain appears doesn't usually match the real origin of the leak. How it is located and what makes the repair more expensive.

Painting ceilings takes longer per m² than painting walls, because of the working posture and the risk of drips. What to take into account when quoting it.

Substrate preparation often takes more hours than the painting itself. What sanding, filling and cleaning a wall before painting includes.

A standard straight cut and a curved or irregular shape have very different processes and prices. What makes cutting made-to-measure glass more expensive.

Many old homes still have a ceramic fuse box. What the change to circuit breakers and RCDs involves, and why it isn't optional in a renovation.

Guideline rates for plasterboard partitions and ceilings per m², and what factors raise the price above the base rate.

Guideline painting rates per m² by type of work, and why it's almost always better to quote by area and not by the hour.