Firecrews from Bracknell and Wokingham attended the fire in Wyvern Close, Easthampstead, at around 6.30pm last night.
Crew Manager David Moor of Wokingham, said: “We believe the owner was trying to install a new flat roof on their conservatory. He tried putting the fire out himself, and he got some minor burns to his arm.”
The ambulance was called at around 6.45pm, and they treated the man at the scene for minor burns, who did not require hospitalisation.
Firecrews spent around an hour at the house.