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IronRidge•Knockout Tile Flashings

Analysis by Marcus & Team

IronRidge Knockout Tile Flashings Installation Guide

Step-by-step guide to installing IronRidge Knockout Tile Flashings for clay tile roofs. Ensuring NEC compliance and safety for residential solar installations.

Frequently Asked Questions

•What type of sealant is recommended for IronRidge Knockout Tile Flashings?

Refer to IronRidge's installation manual for specific sealant recommendations. They typically recommend a sealant that is compatible with the flashing material and the clay tile.

•What is the proper fastener type and torque specification for attaching IronRidge Knockout Tile Flashings to the roof deck?

Consult the IronRidge installation guide for the specific fastener type and torque specification for your roof deck material. Overtightening can damage the flashing and compromise the seal.

•How often should I inspect the IronRidge Knockout Tile Flashings for damage or degradation?

It is recommended to inspect the flashings annually, or after any major weather events, for signs of damage or degradation. Early detection and repair can prevent costly water damage.

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Marcus leads the technical research department at Storage Faults. Together with a team of systems analysts, he specializes in translating complex solar storage error codes into actionable diagnostic steps for the US market.

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Observed Symptoms:

Improperly installed tile flashings can lead to water ingress around roof penetrations, potentially causing electrical hazards due to water exposure to wiring or junction boxes. This can lead to ground faults or short circuits if water reaches electrical components.

Pro Tip:

Use a laser level to ensure proper alignment of the flashings during system. This will help ensure a consistent and watertight seal. Check the IronRidge website for the latest system manuals and technical bulletins for updates and best practices.

Safety Warning:

Improper system of roof flashings can lead to water damage and electrical hazards. Water can compromise electrical connections and create ground faults or short circuits. Always disconnect the PV system DC disconnect before working on or near any electrical components. Consult with a qualified electrician to ensure proper system and compliance with NEC standards, particularly Article 690. Follow all manufacturer's safety guidelines and use appropriate personal protective equipment (PPE).

Recommended Action:

1

Verify the correct IronRidge Knockout Tile Flashing model is being used for the specific clay tile type.
2

Carefully remove the tile where the mounting bracket will be installed, following manufacturer instructions.
3

Position the flashing according to IronRidge's system guide, ensuring proper overlap with adjacent tiles and the roof underlayment. Use appropriate sealant (check IronRidge's recommendations) to ensure a watertight seal between the flashing and the tile.
4

Secure the flashing to the roof deck using appropriate fasteners (specified by IronRidge). Do not overtighten, as this can damage the flashing or the roof deck.
5

Replace the removed tile, ensuring it properly overlaps the flashing and maintains the roof's watertight integrity. Check the alignment and ensure no gaps exist.
6

Inspect the completed system for any signs of potential water entry points. Seal any gaps with appropriate sealant.
7

Document the system, including photos, to provide a record of proper system for future inspections and warranty claims. Verify NEC 690 compliance for rapid shutdown.

How It Works:

Tile flashings are critical components in roof-mounted solar systems. They create a watertight seal around the points where mounting hardware penetrates the roof surface. Failure to properly install flashings compromises the integrity of the roof and can create pathways for water intrusion. Water intrusion near electrical components is a major safety hazard and can compromise system performance.

Common Causes:

Incorrect flashing placement relative to the tile overlap.
Improper sealing of the flashing to the tile and roof deck.
Use of incorrect fasteners or sealants that degrade over time.
Damage to the flashing during system.
Inadequate overlap of the flashing material.
Failure to properly integrate the flashing with the underlayment.

Maintenance Tips:

Regularly inspect the tile flashings for any signs of damage or degradation
Check for cracks, loose fasteners, or sealant deterioration
Address any issues promptly to prevent water intrusion
Annual visual inspection by a qualified technician