Post frame (wood) vs typical metal building, re: fumes from welding

My cousin is planning on building a 5000 sq ft work shop. In one section comprising 1/3rd of the shop (which will be isolated,  have a ventilation system and be… My cousin is planning on building a 5000 sq ft work shop. In one section comprising 1/3rd of the shop (which will be isolated,  have a ventilation system and be…Read MoreGreenBuildingAdvisor