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Wall Layer Priorities

  • Updated

You assign each layer a priority value so the layer can join to its corresponding priority value layer.
The priority is a region ranging to a minimum of 1 to a maximum of so called Core layer. 

Wall Layer Properties (Edit Compound Walls)

General Information

  • Total thickness: e.g. 130 mm – calculated from all included layers.

  • U-value: e.g. 4.72 W/(m²K) – calculated from all included layers.

Column Description Notes
Layer (index) Order of layers from exterior → interior. In the screenshot: Layer 1 (exterior render), Layer 2 (brick core), Layer 3 (interior render).
Function Structural or non-structural priority,  (values like “Very low”, “Core”, etc.). Used for cleanup at joins. Higher = dominates intersections.
Material Material assigned (e.g., Render – Smooth, Brick3). Controls 3D rendering and BIM material data.
Thickness Layer thickness in mm. In this example: 10 mm + 110 mm + 10 mm = 130 mm total.
Base offset (TS) Vertical offset of the layer from story base. Typically 0 mm unless stepped.
Height (BS) Height assigned to the layer relative to base story. Normally follows wall height.
Fill pattern Hatch pattern used in 2D cut/section views. E.g., “Stonewall” for masonry, “No hatch” for render. Used in floor plan drawings and details.
Name Custom text label for the layer. “Render” or “Brick” used for scheduling clarity.
Layer endings Controls wrapping of this layer at free wall ends. “Previous” means it follows wall default settings.
Visible in 3D Checkbox to toggle whether the layer appears in 3D model. Keep active for real construction layers; turn off for hidden membranes. 
Useful for membranes/technical layers that should only show in 2D.
Phase (new)

With the Phase property, you can manage walls for renovation projects. Visible only if wall is in existing phase.

1. Options to control a wall in Existing Phase: 

Defines whether the layer belongs to an Existing or Demolished construction phase.

2. Options to control a wall in New construction Phase: 

This is the way to add new layer to an existing wall:

This wall layer will be visible only in New Construction phase.

This allows renovation projects to control number of layers, visibility and filtering.

 

Rules for managing wall layers in phases (Existing or Demolished, or New):
At least one layer must remain in the existing phase. (It is recommended to use a different wall style to change the phase of each layer.)
The phases of the layers can be changed. You can always switch from the outer layer inwards to change the phase of the layers to a decomposable or new phase.
Switching back to an existing phase can always be in the opposite direction, from the inside out.
According to the operation of the phase filter, the wall layer to be demolished cannot be demolished in the new construction phase plan, and there can be no new wall layer in the phase representing the existing state.

Tip.
If you only need to change the thickness of one layer: copy the existing phase layer and then move the original layer to the phase to be broken down in the existing state. Switch to the new construction state and move the newly created layer to a new construction phase.
Then change the thickness of the new layer.
In this way, it is possible to achieve that in the two states the old and the new layer appear with the same parameters, only with different thicknesses.

Finish Face: Exterior / Interior

  • Defines the outermost material seen on each face.

Layer Editing Controls (buttons below the table)

  • Add Layer (+) – Insert a new layer.

  • Delete Layer (–) – Remove selected layer.

  • Move Up/Down (arrows) – Change layer order.

  • Duplicate Layer – Copy selected layer.

  • Mirror Layer – Mirror layer structure.

  • Apply height – Apply selected layer height to the other layers.

Options (bottom left)

  • Fill pattern orientation – Controls hatch alignment.

    • Edit: Choose a hatch patter

    • Copy from hatch on section

    • Copy from hatch on 3D.

    • No hatch: reamins empty on floor plan.

  • Collision of layers with the same priority – Resolves conflicts if two layers overlap with equal strength.

  • Collision of layers upon difference of materials or heights – Controls cleanup if heights differ.

  • Apply layer endings – Enable wrapping at free ends/openings.

Layer Line Properties (bottom right)

Defines the 2D representation for layer boundaries.

    • Preview window shows how wall layers are represented in floor plan.

Layer Wrapping (end conditions)

Dropdown: Layer wrapping at free wall ends

  • Options define how finishes return around wall ends.

Wall Layer Wrapping at Free Wall Ends

This dialog controls whether finish layers (plaster, render, cladding) wrap around the edge of a wall when it stops freely. Wrapping ensures that insulation or cores are not left exposed in plans, sections, or 3D.

General Options (top of dialog)

Field Description Notes
Left side / Right side checkboxes Defines whether wrapping is applied at the left and/or right free ends of the wall. You can enable one side only or both.
Number of wall layers to affect (On inner side) Specifies how many interior layers should wrap at the free end. Example: “1” means only the interior finish wraps; “2” would include finish + insulation.
Number of wall layers to affect (On outer side) Specifies how many exterior layers wrap at the free end. Example: “1” = just the outer render; “3” could wrap all exterior build-up layers.

Layer Wrapping List (middle table)

The dialog displays two sections: On inner side and On outer side.

Column Description Example from screenshot
No. Order of wrapping layers (1 = first layer to wrap). 1
Thickness of layer Defines how much of the layer returns. Options: Full thickness, or custom. “Wall layer thickness” (full).
End of revealed layer Defines the reference side from the current layer or from the other side of the wall. “From the current layer” (default).
Number of wall layers to cross Defines how many layers are included in the return. 1 (just the selected finish layer).
Phase Indicates whether the wrapping belongs to an Existing or Demolished phase. “Existing” (all layers in screenshot).

Preview Panel (right side)

  • Shows a schematic view of the wall section.

  • Finish Face: Exterior and Finish Face: Interior labels indicate which side of the wall the return belongs to.

  • The pink shading highlights wrapped layers.

Practical Use

  • Interior plaster return → Wrap 1 layer on the inner side.

  • Exterior render return → Wrap 1 layer on the outer side.

  • Cladding or insulation return → Increase the number of layers affected (e.g., 2 or 3).

  • Asymmetric wrapping → Different values for inside vs. outside (e.g., inside plaster wraps, outside brick stops).

Wall_Priority sample project

Connection rules for wall layers:
- Higher priority layers will cut through lower priority layers.
- ARCHLine.XP connects layers with the highest priority first before connecting layers with a lower priority.

 

 

Priorities View

 

 

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