The Canadian Commission on Building and Fire Codes, part of the National Research Council, updated its regulations as recently as 2015.
A drunk man has been hailed as an unlikely hero in the Grenfell Tower fire tragedy after he discovered the blaze by pressing the wrong elevator button.
Service on two London Underground lines has been partially suspended because of concerns about the safety of the high-rise in the fire that killed at least 30 people. And as NPR's Frank Langfitt in London, police are hoping that the death toll will not reach the triple digits.
Flames raced up the outside of the tower Wednesday, triggering speculation that the new panels contributed to the disaster.
A memorial wall has been created for people to write messages to the missing.
Areas near the blaze are covered in posters showing missing persons.
Mrs May spent nearly an hour speaking to patients and staff at London's Chelsea and Westminster Hospital, a day after visiting the scene of the blaze in west London to talk to firefighters, police and other emergency workers.
There was nothing to suggest the fire was started deliberately, police said.
He also said survivors from the tower would be re-housed in the local area. He asked anyone who was in the tower and survived to contact police immediately.
Grief is turning to outrage in the wake of London's deadly Grenfell Tower apartment block fire, with British Prime Minister Theresa May confronted by protesters and a crowd of angry locals storming the local town hall.
One woman wept saying it was because the Prime Minister declined to speak to anyone outside the meeting which lasted less than hour. More than 3 million pounds ($3.8 million) has been raised for the victims, and the British government has announced a 5 million-pound ($6.3 million) emergency fund.
"I had no idea how many people had got out by that stage, how many were trapped".More news: Oil Falls to Three-Week Low on Rising U.S. Output
He says tower residents who survived fear a cover-up will keep the truth from coming out.
Forensic experts said the fire at Grenfell was so hot that could be compared to a cremation - a development that's going to make it hard to identify all the victims.
The 23-year-old Alhajali is the only victim to be officially named as the process of identifying remains continues.
Officials are using dental records, fingerprints, DNA samples, tattoos and scars to try and positively identify victims.
The tragedy cast a pall on the Trooping the Color festivities that mark the official birthday of Queen Elizabeth II. The monarch has expressed her sympathies to families of victims of the blaze.
"It's a bad tragedy for which no one is taking responsibility", she said.
Hundreds of people marched from Kensington town hall toward the gutted tower on Friday evening, some brandishing Socialist Worker Party placards emblazoned with slogans including "Defy Tory Rule" and "no justice, no peace" and 'the rich, the rich, we've got to get the rich'.
The government has promised a full public inquiry, but that has done little to ease a sense of frustration at the lack of information about how the fire moved so quickly to engulf the building.
Did cheap cladding panels fuel the fire?
The tragedy has provoked a enormous response from nearby communities that have donated food and shelter to the victim.
"We can't afford to wait many years for those answers", he said.
"We were aware the place was filling up with more and more smoke, we were not supposed to be starting off in smoky environments but there wasn't a safe zone to go to". There is ample food and water, but very little privacy or proper bedding.