Hello all, first time posting. Is anyone on hear familiar with the Washington DC plumbing or building code? Is cast iron waste/vent piping required in commercial buildings, even more specific parking garages. And if PVC is acceptable does it have to be insulated for fire protection...
cast iron in a commercial building
Monday, October 28, 2013
cast iron in a commercial building
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment