By PlumberDallas.com editorialUpdated
Typical original materials
The 1950s brought a building boom of ranch homes on slab foundations across Dallas. Galvanized supply was still common early in the decade, with copper becoming more common later; cast-iron drains and clay sewer laterals remained typical.
Commonly found: galvanized or copper supply, cast-iron drains under the slab, clay sewer laterals. "Typical" is not a guarantee; confirm what is in your house.
How it is aging
Under-slab cast iron drains in these homes are now decades old and worth a camera inspection.
What to check
- Exposed supply pipe at the water heater and under sinks (magnet sticks to galvanized; copper is reddish; polybutylene is gray plastic)
- Water pressure at several fixtures
- Sewer camera inspection for the drain and lateral
- Age and venting of the water heater
Next steps
When should old plumbing be replaced? · identify galvanized pipe
Cost information
Published ranges with sources: Repiping Cost. These are not quotes.
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