Master Flash Roof Flashing Base 8x8 Inches With Closed To 5-3/4 Inch Pipe, Multi-Size Sealing Range, EPDM Collar, Molds To Metal Or Plastic, Type B Approved, Weatherproof Roof Seal For 45 Degree Pitches

Roof Flashing Base 8x8 in (single unit) for pipes up to 4 in
✔️ EPDM collar seals pipe sizes 1/4 in to 4 in (6.35-101.6 mm)

The roof flashing base slides over a pipe and is designed for use with pitched roofs up to 45 degrees. It seals around penetrations on metal or plastic surfaces, offering a weatherproof seal and accommodating pipe movement from expansion and contraction.

✅ Multi-size sealing range: 1/4 in to 4 in (6.35 mm to 101.6 mm)
✅ Molds to metal or plastic surfaces for a snug seal
✅ EPDM collar provides a non-fading, weatherproof seal
✅ Type B approved for roof installations
✅ Continuous temp rating 212°F; intermittent 275°F
✅ Slides over pipe and uses silicone sealant between base and surface; secure with screws
✅ Not for hot-mopped or built-up roofs

💡 What is a roof flashing base used for on pitched roofs with pipe penetrations?

A handy explanation for homeowners and pros considering proper pipe penetration sealing.

- EPDM collar accommodates pipes from 1/4 in to 4 in (6.35-101.6 mm) on metal or plastic surfaces
- Provides a weatherproof seal on slopes up to 45° to prevent leaks
- Type B approval ensures code-friendly installation
- Designed to withstand ozone and UV exposure for long-term durability