Rather than a conductor passing directly passing through the roof and wicking water into the structure interior, a through roof is a sealable method of connecting interior and exterior conductors. Class I through roof connectors are for structures less than 75 feet in height.  Class II through connecotrs are for structures greater than 75 feet in height.

UL Listed

1150E

Copper through roof connector for 1" SCH 40 PVC

UL Listed

1150AE

Aluminum through roof connector for 1" SCH 40 PVC

UL Listed

1150B

Bimetallic through roof connector for 1" SCH 40 PVC

UL Listed

1151

Through roof sleeve for 1150E series connectors

UL Listed

1152E

Class I copper 18" through roof connector.  Supplied with 1" flashing adaptor and mounting hardware.

UL Listed

1152AE

Aluminum 18" through roof connector. Supplied with 1" flashing adaptor and mounting hardware.

UL Listed

1152BE

Bimetallic 18" through roof connector. Supplied with 1" flashing adaptor and mounting hardware.

UL Listed

1153E

Copper 18" through roof air terminal base. Supplied with 1" flashing adaptor and mounting hardware.

UL Listed

1153AE

Aluminum 18" through roof air terminal base. Supplied with 1" flashing adapter and mounting hardware.

UL Listed

1153BE

Bimetallic 18" through roof air terminal base. Supplied with 1" flashing adaptor and mounting hardware.

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Performance of Sharp vs. Blunt Lightning Rods

Hartono overlooks conventional system failures

IEEE & Abdul Mousa

NLP has a new address

Lightning Damage Claims

Costs of Lightning Strike Claims Rise Dramatically

Rapid Growth of World ESE Market

After the Lightning Strike

Lightning Threat a Growing Worry

Weather Warnings

International Lightning Protection Association

Gimelec

Lightning Damage