torch down
Advanced (C1)informal
To burn something down using a flame or torch.
"The roofer torched down the felt membrane to create a watertight seal."
Hear it in context

Exploring a Forgotten World In Minecraft…
PrestonPlayz · 5:13
We're putting a torch down.

Exploring a Forgotten World In Minecraft…
PrestonPlayz · 20:22
When I place this torch down, tell me the tunnel's here.

Geography Now - MIDNIGHT LIVESTREAM
Geography Now · 14:04
but it's time to pass the torch down to somebody else.