Wood filler for decking
Maniacs in the woods
Top step carpet stairs to wood floor transition
1 Hour Fire Rated Floor Ceiling Assembly Wood
1 Hour Fire-rated Wood Beam Specifying Firerated Walls Engineered Blog
An additional difference between the two assemblies is that p522 allows insulation in. The first is one layer gwb with metal furring strips or resilient channel, and the second is two layers gwb board.