The fire started around 1:45pm, the Fire Service said
Bangladesh Ambassador Golam Moshi told bdnews24.com the accident occurred near Al-Kharj on Saturday.
The victims are 'Arun' from Kushtia and Jashim Uddin from Madaripur.
“They were working at the construction site when a section of the roof collapsed and injured them.They succumbed to their injuries Sunday morning at a local hospital.”
The envoy said their bodies would be sent back as quickly as possible after local authorities complete their investigations.
Almost 1.3 million Bangladeshis live and work in Saudi Arabia.