Blocked kitchen sink in Santa Coloma de Gramenet: 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 Santa Coloma de Gramenet
60–150 €
Call-out and mechanical unblocking.
Contexto local · Santa Coloma de Gramenet
In Santa Coloma de Gramenet older buildings have cast-iron stacks.
Santa Coloma de Gramenet is almost entirely 1960s–70s buildings put up for internal migration, with 8–14-storey blocks in Singuerlín, Riu Nord and Llatí. That vintage explains what we see most: carbonation damp on garage ceilings, aluminium wiring that needs checking before any work, and fibre-cement stacks that need a special protocol to touch. In bathroom refurbs we routinely uncover tiling stuck straight to mortar with no membrane, which forces us to chase further than expected. The slope toward the Besòs limits van access on some central streets.
- Comarca: Barcelonès
- Población: 121.278 hab.
- Parque de vivienda predominante: piso-moderno
- Año medio de construcción: 1974
- Códigos postales: 08921, 08922, 08923, 08924
Ciudad densa al norte del Besòs, con torres de viviendas de los 70 y vivienda obrera en Singuerlín y Fondo.
Preguntas frecuentes
Does caustic soda work?
Only for localised grease.
How fast can a plumber arrive in Santa Coloma de Gramenet?
Same day during working hours.
¿Prefieres que vayamos nosotros?
Diagnóstico y presupuesto en Santa Coloma de Gramenet normalmente el mismo día.
Pedir presupuesto gratisProblemas relacionados en Santa Coloma de Gramenet
Más sobre Plumbing: leaks, blockages and water
Sources and regulation
- CTE DB-HS 4 — Suministro de agua — Código Técnico de la Edificación