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Specifying the Floor Structure for a Deck

Reference Number: KB-01121 Last Updated: 02-24-2015 12:53 PM

The information in this article applies to:

Chief Architect Premier


QUESTION

When I try to add a floor finish layer to a Deck room, the following Information message displays:

"The deck floor structure typically has two layers: a deck planking layer and a joist layer with a framing material. Planking should not be in the floor finish."

What does this mean?



ANSWER

This message appears because, unlike other room types that use a finish material that spans the entire floor, deck planking is part of the structure and does not require a finish layer.

A finish layer can still be added, but this would be some other type of covering laid over the deck planking, such as astro-turf, deck carpet, etc.