Billowing: Things to Know

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Window treatments require 3” of depth behind and in front of the track to both operate properly and hang aesthetically. Therefore, a two track treatment (ex. sheer and blackout) will place the front most drapery 6” into the guestroom.

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Drapery treatments are also specified to finish 1/2” to 3/4” above the finished floor or window sill, minimizing the light escaping below the treatments.

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If PTAC units have vertical louvers or inadequate depth behind the vent, drapery treatments will often sit directly above air flow, minimizing the flow of air into the room.

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Displaced air (often trapped behind the drapery) prevents the room from properly cooling and billows the drapery into the room.

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If unable to extend depth behind vent opening and/or unable to redirect discharge louvers, a PTAC deflector will likely be required.

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Offered in various widths, depths, and angles, deflectors allow air to properly vent the room without affecting drapery treatments.

Callie England