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Toilet in a narrow bathroom under a window
A narrow bathroom in a postwar house.

Don Mills

Stop ยท Don Mills & Lawrence

Plumbing in Don Mills

Don Mills was drawn up on paper as a whole town in the fifties. Its low modernist houses share a family of plumbing quirks.

  • Plumbing calls across Don Mills, house or condo
  • We ask about the age of the building first
  • Drains, leaks, heaters and basement backups
  • Residential and commercial, one phone number
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Built as a set

Between Lawrence and Eglinton, around the Shops at Don Mills, the original houses are low bungalows, split-levels and linked homes, many with carports and big windows. Because builders worked from a few plans, the plumbing layouts repeat from house to house. Once we have worked on one, we usually know where the next one's cleanout is.

Common jobs

  • Original copper supply with pinhole leaks after decades of service
  • Cast iron drains under split-level floors that crack or scale
  • Kitchen sinks on exterior walls that freeze in deep cold
  • Water heaters squeezed into small utility rooms
  • Toilet flanges rusted out on cast iron closet bends

Between Lawrence and Eglinton, around the Shops at Don Mills, the original houses are low bungalows, split-levels and linked homes, many with carports and big windows.

From the counter

Split-level drains

In a split-level, part of the house sits on a crawlspace or partial basement. Drains from the upper bathroom drop through walls and travel under a lower floor before reaching the main. When one clogs, finding the best access point saves hours. We often enter through a cleanout in the lower level rather than the bathroom.

Crawlspace pipes: check them in fall. Insulation that has fallen off a supply line is the first step to a frozen pipe.

Keeping the character

Owners here often care about original features. We open walls from the least visible side and plan repiping routes through closets and the crawlspace to leave finishes alone.

Carport plumbing

Some Don Mills houses have an outside tap mounted under the carport roof, fed by a line running through an unheated wall. Those split in a hard freeze more than any other tap on the house. A frost-free bib with its valve inside the heated space solves it.

Questions

Do Don Mills houses have basements?

Many have full or partial basements; split-levels often have crawlspace sections too.

Is original copper worth replacing?

Only if it is leaking or thinning. One pinhole does not mean the whole system needs to go, but several often do.

How the job runs

  1. You callDescribe what is dripping, backing up or cold, and the cross streets.
  2. We ask questionsAge of the building, pipe type if you know it, where the shut-off is.
  3. We open it upTrap off, clean-out open or wall cut: find the actual fault before quoting the fix.
  4. We test itOpen each tap on that run, watch the joints dry and show you what came out.