Roof Elements

There are many components when it comes to industrial roofing. The ones you need to know include, deck, insulation, membranes, penetrations and flashing.

 

Common deck types

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steel

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concrete

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light weight insulating concrete


common types of insulation

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Isocyanurate (ISO)

Great R value.

Rigid, Good base for roof system

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Fiber Board/ Cover board

Durable, often used as a cover board for Single Ply systems to provide impact protection for insulation.

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Perlite

Often used in tapered systems to provide slope.


penetrations

Basic Definition: A component that completely penetrates the roof membrane. For example curbs (HVAC, Skylights, expansion joints, etc.), vents, electrical conduits, antennae/ communications equipment, drains, & expansion joints.


Roof flashings

Basic Definition: A vertical component at a membrane termination that transfers water back onto the surface of the membrane  or to drainage.

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penetration flashing

(Pitch pan)

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counter flashing (cap flashing)

& Base flashing