Blocked kitchen sink in El Prat de Llobregat: how to unblock without damage
Resumen rápido
80% of kitchen sink blockages are in the trap.
¿Qué está pasando?
Blockages build up in the trap under the sink.
Causas más probables
Grease in the trap
altaPouring oil down the sink is cause #1.
Food in the strainer
altaRice, pasta and coffee grounds swell.
Communal stack blocked
bajaIf neighbours share the issue it's the stack.
Pasos de diagnóstico
- 1
Try hot water + baking soda
Pour baking soda and vinegar.
- 2
Remove the trap over a bucket
Trap nuts loosen by hand.
⚠ Parada de seguridad: Don't force with a wrench. - 3
Use a snake if deeper
Use a manual drain snake.
Cuándo llamar a un profesional
Call if water still won't drain after cleaning the trap.
Coste orientativo en El Prat de Llobregat
60–150 €
Call-out and mechanical unblocking.
Contexto local · El Prat de Llobregat
In El Prat de Llobregat older buildings have cast-iron stacks.
El Prat de Llobregat is heavily shaped by the airport and the industrial belt: 1960s–80s blocks in Centre and Sant Cosme with poor sound insulation drive demand for sound-rated double-glazed joinery. The delta location worsens rising damp in ground-floor flats, so our paint jobs usually include a waterproofing render layer first. There's also a 1990s villa strip in La Seda where garden and blind maintenance is recurring work. Van access is excellent and parking is free on most streets outside the centre.
- Comarca: Baix Llobregat
- Población: 65.840 hab.
- Parque de vivienda predominante: piso-moderno
- Año medio de construcción: 1978
- Códigos postales: 08820
Junto al aeropuerto, con casco urbano denso y nuevas promociones en Sant Cosme y Eixample-Front Marítim.
Preguntas frecuentes
Does caustic soda work?
Only for localised grease.
How fast can a plumber arrive in El Prat de Llobregat?
Same day during working hours.
¿Prefieres que vayamos nosotros?
Diagnóstico y presupuesto en El Prat de Llobregat normalmente el mismo día.
Pedir presupuesto gratisProblemas relacionados en El Prat de Llobregat
Más sobre Plumbing: leaks, blockages and water
Sources and regulation
- CTE DB-HS 4 — Suministro de agua — Código Técnico de la Edificación