Product Data Sheet Show all documents
Open Post Flashing

Open Post Flashing

PREFABRICATED BOOT OPEN ALONG ONE SIDE

Open Post Flashing is 1.5 mm (60 mil) thick prefabricated boot open along one side to provide a simplified flashing solution for rooftop conduits and pipe penetrations when access is obstructed.

  • Time-saving and effective method to flash rooftop conduits and pipe penetrations
  • Factory fabricated
  • Only one open seam to heat weld in the field
Product Data Sheet Show all documents

Usage

For flashing rooftop conduits and pipe penetrations up to 32 mm (1.25 in) in diameter in Sarnafil® and Sikaplan® roofing and waterproofing details    Areas of Application
  • Rooftop conduits/pipes
  • Round diameter obstructed penetrations
 

Advantages

  • Time-saving and effective method to flash rooftop conduits and pipe penetrations
  • Factory fabricated
  • Only one open seam to heat weld in the field

Packaging

Open Post Flashing can be individually ordered.

Colour

White, Tan, or Reflective Grey

Product Details

Product Information

Composition / Manufacturing

Made from Sarnafil® G 410 1.5 mm (60 mil) roofing membrane

Shelf Life

N/A

Storage Conditions

N/A

Dimensions

Part 114610: 12.7 mm (0.5 in) – 19 mm (0.75 in) diameter
Dimensions: 203 mm (8 in) high, 152 mm (6 in) flange, 330 mm (13 in) diameter base

   
Part 185683: 19 mm (0.75 in) – 32 mm (1.25 in) diameter
Dimensions: 203 mm (8 in) high, 152 mm (6 in) flange, 337 mm (13.25 in) diameter base
System information

System Structure

  1. Install insulation and deck sheet tight to the penetration. Secure deck sheet around the penetration according to Sika details. Securement shall be tight to the penetration so that the base plate of the Open Post Flashing will adequately cover the fasteners.
  2. Wrap the Open Post Flashing around the pipe with the vertical portion tight against the penetration.
  3. Mark the penetration at the top edge of the flashing and remove the prefabricated piece.
  4. Place sealant around the entire penetration at the mark.
  5. Wrap the Open Post Flashing around the pipe with the vertical portion tight against the penetration.
  6. Tack weld the back edge of the Open Post Flashing at the slit, being sure that tight contact is maintained between the flashing and the pipe.
  7. Heat weld the entire width of the vertical overlap.
  8. Pre-weld and finish weld the entire base plate to the deck sheet.
  9. Check all welds with a rounded screwdriver.
  10. Install a stainless steel hose clamp flush with the top of the flashing.

Application

Application steps

APPLICATION

  1. Install insulation and deck sheet tight to the penetration. Secure deck sheet around the penetration according to Sika details. Securement shall be tight to the penetration so that the base plate of the Open Post Flashing will adequately cover the fasteners.
  2. Wrap the Open Post Flashing around the pipe with the vertical portion tight against the penetration.
  3. Mark the penetration at the top edge of the flashing and remove the prefabricated piece.
  4. Place sealant around the entire penetration at the mark.
  5. Wrap the Open Post Flashing around the pipe with the vertical portion tight against the penetration.
  6. Tack weld the back edge of the Open Post Flashing at the slit, being sure that tight contact is maintained between the flashing and the pipe.  

  7. Heat weld the entire width of the vertical overlap.
  8. Pre-weld and finish weld the entire base plate to the deck sheet.
  9. Check all welds with a rounded screwdriver.
  10. Install a stainless steel hose clamp flush with the top of the flashing.

Documents