The grand combat brought together other wrestlers as part of the Gambia’s 59th independence anniversary celebration.
The Serrekunda Mbolo wrestler accelerated the bout, making the first attack on his opponent.
The Banjul-based wrestler also stood on the ground as they exchanged some blows.
However, Building later took some steps backward to try to resist but he was helplessly overpowered and sent to the ground.
The victory confirmed France’s supremacy over Building to claim the flag named after President Adama Barrow.
In the earlier fights, Bebe Buwassor of Bundung Kai Bakh defeated Rasta of Yundum Mbolo through warning 1-3.
It was a dominant display by the Bundung-based wrestler.
Serri Boy of Bundung Nusrat defeated Lichorr of Ama Academy.
Fire of Club Tallinding Japoo defeated Bebe Bala of Club Jabang Mbolo.
The Tallinding Japoo fighter has continued his extraordinary form with a stunning victory over Bebe Bala.
In the other bouts, Kartus of Club Fekeh Magi Boleh beat Suro of Club Mara in a flag named Hon. Abdoulie Njai, National Assembly Member for Banjul Central Constituency.
Meanwhile, Reug Reug of Tallinding Japoo defeated Sita of Club Latrikunda Mbolo in the much-anticipated special combat.
The event was attended by thousands of wrestling enthusiasts, including President Adama Barrow and his cabinet ministers.
The wrestling contest was organised by Ala Promotion.