Manufacturer's Designation: Pipe Collar GW-20.
| Wall: Minimum nominal 2 x 4 wood or steel stud framed gypsum wallboard faced wall assembly, providing a 1 hour rating. |
| Penetrations: Max. 4" diameter SCH 40 or 6" diameter PVC, ABS, DWV or process and supply, cellular core or solid. |
| Metacaulk® Pipe Collar: Size appropriately for pip fastened to both sides of gypsum wall assembly in accordance with Rectorseal Corp. installation instructions. |
| Metacaulk® 1000: Optional - Sealant installed to a depth of 1/2". |