orange blankets on the concrete at a construction site

Hurontario LRT – What’s under the orange construction blankets?

Find out what the orange coverings are for, and how they’re being used for the Hurontario LRT.

Feb 8, 2022

Even as the snow falls and temperatures plunge, transit building continues.

But sometimes it requires a little extra warmth.

If you are driving along Hurontario Street and wonder what those orange tarps are for along the Hurontario light rail transit (HuLRT) route, here’s the answer. 

orange blankets on the concrete at a construction site

A look inside the Hurontario LRT construction site at Port Credit GO Station. (Metrolinx photo)

They are a type of insulation, often called ‘frost blankets’.

These are secured to the walls of the maintenance and storage facility and along the roadways to keep concrete warm during the curing process and to protect shoring and soil from freezing while it’s being worked on.

Orange frost tarps on the road

Orange frost blankets keeping concrete warm in the subzero temperatures. (Metrolinx photo)

It’s just one of the many clever ways that construction crews keep progress going in the depths of winter.

Want to know more about the HuLRT project? Just click here.

by Scott Money Metrolinx editorial content manager