I can get you some better pic. 2morrow.
Its a 8x8x13. I have (4) 75,000 BTU tube heaters under it. going side to side.
http://www.cecoatings.com/images/Equipment/
http://www.cecoatings.com/images/Equ...enandbooth.jpg
Im in the middle of building a 6x6x8 also and im using (1) 100,000 BTU heater
Daytons like this just 75k and 1000k BTU units
http://secure.data-comm.com/RBIS/Detail.bok?no=207893