Rooflight End Lap Detail - Installation Guide (Bottom)

Geometric Steels provides a detailed guide for bottom-end lap installation of METAhybrid thermal insulated roofing sheets, ensuring superior sealing and structural integrity.

Key Components

Extension Plate
  • Material: 1.5 mm galvanized steel
  • Length: 3 meters (standard)
  • Reinforces the roof for extended support and durability.
Mastic Tape Application
  • Specification: 10x5 mm mastic tape (3 runs)
  • Essential for enhanced waterproofing, sealing the joint to prevent water ingress.
Primary Fastener
  • Specification: 5.5 mm diameter, 65 mm / 25 mm length self-drilling xylon-coated fastener with EPDM washer
  • Ensures reliable, weather-resistant fastening and long-term stability.
  • Additional Component: Extension Spacer
  • Material: 1.5 mm galvanized steel
  • Length: 5 meters (standard)
  • Provides extra reinforcement to ensure strong lap connections.

For complete instructions, visit www.metahybrid.in. Trust METAhybrid by Geometric Steels for a robust and watertight roofing system.

Enquiry