HB41

4N1 Hard Base Roof Flashing
Underlayments & Flashing
MPN: HB41 HB41

Hard base flashing is a one piece construction with a thermoplastic base.

This 4N1 flashing offers 4 sizes in 1 for on-the-job convenience – fits pipes 1.25'' to 4''.

It also features a large base and nailing flange for extra coverage in freeze-thaw climates, and a flexible PVC collar conforms to vent pipes to create a water-tight seal.

  • Fits pipes 1.25'' to 4''
  • Vent sizes of 1-1/2", 2", or 3"
  • Large base and nailing flange for extra coverage in freeze-thaw climates
  • 20 per box
  • Backed by a life of the roof warranty