Bathroom Renovation in the Algarve: A Plumber’s Checklist for a Flawless Finish
A beautiful bathroom depends on what’s behind the tiles. Before you pick taps and tiles, make sure the plumbing plan is solid. This practical checklist, built around Algarve homes and water conditions, will help you avoid weak showers, slow drains, leaks and expensive rework.
1) START WITH PRESSURE & FLOW
* MEASURE STATIC PRESSURE AND FLOW at key points (kitchen, main bathroom, top floor).
* BALANCE HOT AND COLD SUPPLIES to suit modern mixers and thermostatic showers.
* If you’re dreaming of a LARGE RAINFALL HEAD, confirm you have the flow to feed it, or choose an efficient model designed for lower pressures.
2) LAYOUT: SHORT RUNS, SMART ROUTING
* Keep hot and cold runs AS SHORT AND DIRECT AS POSSIBLE to reduce heat loss and pressure drop.
* Avoid sharp bends that add friction; use sweep fittings and sensible pipe sizing.
* Plan isolation valves at each WC, basin, bath and shower for easier maintenance.
3) WASTE FALLS & VENTING (GOODBYE, DRAIN ODOURS)
* CORRECT GRADIENTS prevent standing water and soap scum build‑up.
* Use the RIGHT TRAP DEPTH for showers (especially low‑profile channels) to resist odour backflow.
* Provide ADEQUATE VENTING/AIR ADMITTANCE where appropriate to stop gurgling and siphoning.
4) THE RIGHT SHOWER SYSTEM
* THERMOSTATIC MIXERS keep temperatures stable and safe.
* Check CARTRIDGE COMPATIBILITY with Algarve water conditions; some models t...
