BCLP-094- Revit Essentials -Curtain Systems and Curtain Properties

Curtain Systems

·?????? A curtain system is a structural element utilized in architectural design, composed of panels, curtain grids, and mullions. Unlike conventional walls, curtain systems typically possess non-rectangular shapes, offering versatility in design and functionality.

Creation of Curtain Systems:

·?????? Selection of Element Faces: Curtain systems are established by selecting specific element faces within a design environment.

·?????? Addition of Curtain Grids and Mullions: Once the curtain system is generated, further enhancements can be made by incorporating curtain grids and mullions using similar methodologies as with curtain walls.

Curtain Grids:

·?????? Addition to Existing Systems: When a curtain system is initially created without utilizing automatic grid generation, curtain grids can be added subsequently.

·?????? Purpose: Curtain grids aid in the precise placement of mullions, ensuring structural integrity and aesthetic coherence.

·?????? Adjustment: Grid lines within a curtain system, particularly those generated automatically, can be modified as required to accommodate design alterations or structural optimizations.

Mullions:

·?????? Placement: Following the establishment of a curtain system, mullions are installed along designated grid lines.

·?????? Function: Mullions serve both aesthetic and functional purposes, contributing to the overall visual appeal while reinforcing the structural integrity of the curtain system.

Customization and Adaptation:

·?????? Grid Layout Adjustment:

o?? The layout of curtain grids within a system can be customized by altering type properties or by individually relocating grid lines, offering flexibility in design implementation.

·?????? Design Iterations:

o?? The ability to modify curtain systems facilitates iterative design processes, allowing architects and designers to refine and adapt structures in response to evolving project requirements or client preferences.

·?????? In summary, curtain systems represent a dynamic and adaptable architectural element, offering designers a versatile tool for creating visually striking and structurally sound building facades.

Curtain Wall Instance Properties

Constraints:

·?????? Base Constraint:

o?? Determines the base level of the curtain wall, such as "Level 1."

·?????? Base Offset:

o?? Sets the height of the curtain wall from its base constraint, applicable when Base Constraint is set to a level.

·?????? Base is Attached:

o?? Indicates if the base of the curtain wall is connected to another component, like a floor (read-only).

·?????? Top Constraint:

o?? Specifies the top level to which the curtain wall extends.

·?????? Unconnected Height:

o?? The height of the curtain wall when initially sketched.

·?????? Top Offset:

o?? Sets the offset of the curtain wall from the top level.

·?????? Top is Attached:

o?? Indicates if the top of the curtain wall is attached to another component, like a roof or ceiling (read-only).

Room Bounding:

o?? Determines if the curtain wall is part of a room boundary.

Cross-Section:

·?????? Vertical/Slanted:

-????????? Defines whether the wall is vertical or slanted.

·?????? Angle From Vertical:

-????????? Specifies the angle for a slanted wall, ranging from 90° to -90°.

Vertical/Horizontal Grid Pattern:

·?????? Number:

o?? Specifies the number of curtain grids on the instance, maximum value being 200.

·?????? Justification:

o?? Determines spacing adjustment of grids along the face, and which gridlines are first modified.

·?????? Angle:

o?? Rotates curtain grids by the specified angle.

·?????? Offset:

o?? Starts grid placement at a set distance from the justification point.

Structural:

·?????? Structural Usage: Sets the structural purpose of the curtain wall.

Dimensions:

·?????? Length:

o?? Length of the curtain wall (read-only).

·?????? Area:

o?? Area covered by the curtain wall (read-only).

Identity Data:

·?????? Comments:

o?? Additional comments about the curtain wall.

·?????? Mark:

o?? A unique label for the curtain wall within a project.

Phasing:

·?????? Phase Created:

o?? Phase when the curtain wall was created.

·?????? Phase Demolished:

o?? Phase when the curtain wall was demolished.

Curtain Wall Type Properties

Construction:

·?????? Function:

o?? Specifies the purpose of the curtain wall (e.g., exterior, interior, foundation).

·?????? Automatically Embed:

o?? Indicates if the curtain wall automatically embeds into the surrounding walls.

·?????? Curtain Panel:

o?? Defines the type of curtain panel used within the curtain element.

·?????? Join Condition:

o?? Controls how mullions intersect within the curtain wall type.

Vertical/Horizontal Grid Pattern:

·?????? Layout:

o?? Determines the automatic layout of vertical/horizontal grid lines along the curtain wall length.

·?????? Fixed Distance:

o?? Places curtain grids at an exact specified spacing, adjusting for justification.

·?????? Fixed Number:

o?? Allows different numbers of curtain grids for various instances.

·?????? Maximum Spacing:

o?? Places curtain grids at even intervals up to a specified maximum spacing.

·?????? Spacing:

o?? Specifies the distance between curtain grids, enabled when Layout is set to Fixed Distance or Maximum Spacing.

·?????? Adjust for Mullion Size:

o?? Ensures equal-sized curtain panels by adjusting gridline positions to accommodate mullion size variations.

Vertical Mullions:

·?????? Interior Type:

o?? Specifies the mullion family for interior vertical mullions.

·?????? Border 1 Type:

o?? Specifies the mullion family for vertical mullions on the left border.

·?????? Border 2 Type:

o?? Specifies the mullion family for vertical mullions on the right border.

Horizontal Mullions:

·?????? Interior Type:

o?? Specifies the mullion family for interior horizontal mullions.

·?????? Border 1 Type:

o?? Specifies the mullion family for horizontal mullions on the bottom border.

·?????? Border 2 Type:

o?? Specifies the mullion family for horizontal mullions on the top border.

Identity Data:

·?????? Keynote:

o?? Adds or edits the curtain wall keynote.

·?????? Model:

o?? The model type for the curtain wall, may not be applicable.

·?????? Manufacturer:

o?? Manufacturer for the curtain wall materials, may not be applicable.

·?????? Type Comments:

-????????? Specific comments on the curtain wall type.

·?????? URL: A web link to the manufacturer or other relevant page.

o?? Description: Describes the curtain wall type.

·?????? Assembly Description:

-????????? Description of the assembly based on the assembly code selection.

·?????? Assembly Code:

-????????? Uniformat assembly code selected from a hierarchical list.

·?????? Type Mark:

-????????? Designates the specific curtain wall type, must be unique within a project.

·?????? Fire Rating:

-????????? Specifies the fire rating of the curtain wall.

·?????? Cost:

-????????? Material cost for the curtain wall.

Type-Driven Curtain Element Layout Instance Properties

Vertical Grid Pattern:

·?????? Number:

-????????? Specifies the number of curtain grids for the curtain instance when Layout is set to Fixed Number, with a maximum value of 200.

·?????? Justification:

-????????? Determines the spacing of grids along the curtain element face when grid spacing does not evenly divide into the face length.

·?????? Beginning:

-????????? Adds space to the end of the face before placing the first grid.

·?????? Center:

-????????? Adds an even amount of space at both the beginning and end of the face.

·?????? End:

-????????? Adds space from the beginning of the face before placing the first grid.

·?????? Angle:

-????????? Rotates the curtain grids to the specified angle (valid values between 89 and -89). If specified for individual faces, no value is displayed in this field.

·?????? Offset:

-????????? Starts grid placement at the specified distance from the justification point of the grids.

·?????? Example:

-????????? If Justification is set as Beginning and the offset is 5', the first grid is placed 5' from the beginning of the face. If specified for a face, this field will not display a value.

Measurement Line (curtain system only):

·?????? An imaginary line defining the point from which to measure grid spacing on faces where grid spacing may vary.

·?????? Where grids intersect this line, the distance between the grids equals the grid spacing value (for Fixed Distance layouts) or up to the grid spacing value (for Maximum Spacing layouts).

·?????? If grids do not intersect this line, they can be placed at values either higher or lower than the value for Spacing.

Type-Driven Curtain Element Layout Type Properties

Construction:

·?????? Automatically Embed (curtain walls only):

o?? Determines if the curtain wall embeds into other walls.

·?????? Curtain Panel:

o?? Specifies the curtain panel family type for the curtain element.

·?????? Join Condition:

o?? Controls which mullions break at intersections on the curtain element type.Vertical Grid Pattern (for curtain walls) or Grid 1 Pattern (for curtain systems and sloped glazing):

·?????? Layout:

o?? Specifies the automatic layout for curtain grid lines along the length of a face on a curtain element.

·?????? Fixed Distance:

o?? Places curtain grids at the exact specified spacing, adjusting for justification.

·?????? Fixed Number:

o?? Allows specifying different numbers of curtain grids for different curtain instances.

·?????? Maximum Spacing:

o?? Places curtain grids at even intervals along the face, up to the specified value for Spacing.

·?????? Spacing:

o?? Enabled when Layout is set to Fixed Distance or Maximum Spacing. Specifies the distance between curtain grids.

·?????? Adjust for Mullion Size:

o?? Ensures equal-sized curtain panels by adjusting the position of type-driven gridlines, particularly important when mullions are placed on curtain hosts. Vertical Mullions (for curtain walls) or Grid 1 Mullions (for curtain systems and sloped glazing):

·?????? Interior Type:

o?? Specifies the mullion family for interior vertical mullions.

·?????? Border 1 Type:

o?? Specifies the mullion family for vertical mullions on the left border.

·?????? Border 2 Type:

o?? Specifies the mullion family for vertical mullions on the right border. Horizontal Mullions (for curtain walls) or Grid 2 Mullions (for curtain systems and sloped glazing):

·?????? Interior Type:

o?? Specifies the mullion family for interior horizontal mullions.

·?????? Border 1 Type:

o?? Specifies the mullion family for horizontal mullions on the bottom border.

·?????? Border 2 Type:

o?? Specifies the mullion family for horizontal mullions on the top border.

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