
Five Signs Your Main Line Is About to Back Up
A main line almost never fails without warning. Here are the five signals it gives first, and what each one usually means about the pipe.

Straight answers to the questions we get asked on job sites, written for homeowners rather than plumbers.

A main line almost never fails without warning. Here are the five signals it gives first, and what each one usually means about the pipe.

One punches a hole through the blockage. The other scours the pipe back to bare wall. Knowing which one your line needs saves you from paying for both.
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Under-slab supply lines fail quietly for weeks before anything looks wrong. Here's how to catch one early — and why locating it beats opening concrete to look.
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Both are code-legal, both outlast galvanized by decades, and the right answer depends on your house rather than on which one a contractor prefers.
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Not every cold shower means a dead heater. Here's how to tell a cheap repair from a unit that's finished, before you spend on the wrong one.
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