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Copper Cladding

Copper Cladding has a rich history, being used for centuries in historic churches as well as being a material that is raditional in Canadian architecture. Designing with copper cladding usually starts from from a known line. Architectural cladding drawings will supply the lines that are important to the architect.

For example, horizontal cladding may be required to line up with the finished window size at the head and the sill. The architect will show how many panels are desired to span the window. Dividing the window frame size by the number of panels will give the panel width including any reveal.


Copper cladding is available in sheets as well as brake-formed panels. There are more traditional pure copper panels as well as more recently, copper plated on stainless steel. The latter can be a very cost effective way of gaining the look of copper while staying within tight budgets.

Erection direction

The orientation of the cladding profile is important. In hidden fastener styles of cladding the panels must be installed so that there are no voids that can trap water. Keeping the voids open to the bottom allows the wall to drain.

The installation process has to be planned out on paper to make sure there are no unanticipated changes in direction brought about by site conditions. An arrow indicating erection direction can be placed on each elevation as well as a start indicator to help the installer organize the installation of panels.

Grain Direction

Many types of cladding have a grain that must lie in a specific direction, often specified by the architect. This grain direction must be carried through all the fabrication drawings right from the elevations to the work orders to the unwinding of material from the coil or from the cutting out of sheet.

Fastener Selection and Electrolytic Corrosion

Copper cladding requires matching fasteners. If copper cladding is brought in contact with another metal such as steel, electrolytic corrosion can occur. Steel fasteners for example would be eaten away. For this same reason the flashing material must also be copper.

A wood substrate will be necessary to separate the copper cladding from its steel sub-girt support system. Flashing Coordination with trades is important when flashing.


The responsibility for window head, sill and jamb flashings is often divided among trades based on order of operations. For example it makes sense for the window contractor to be responsible for the sill flashing, since that flashing often has to be installed to make a starting point for window installation. The side jambs and head flashing are often the responsibility of the cladding contractor since these can be added later prior to the window being caulked and even after that has occured.

With materials like copper cladding it may be necessary for the cladding contractor to be responsible for the window sill and in that case there will have to be coordination with the window contractor. Design details must delineate the responsibility for particular flashings especially when working around windows and doors.


> Metal cladding projects

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  • Sketching on a SolidWorks drawing

    If you are new to SolidWorks, there can be times when things are a little frustrating. One of those simple things is adding notes or sketching lines on an exisiting drawing with several views.

    You add your note or centerline and then move one of the views but the note you added stays where it is and you end up having to move it seperately.

    Or you have a note that belongs somewhere else in the drawing that gets moved when you are rearranging views when you dont want it to.

    The solution to these problems is found in these excerpts from the SolidWorks help section.
    Lock View Focus.
    Allows you to add sketch entities to views, even when the pointer is close to another view. You can be sure that the items you are adding belong to the views you want. You can also double-click views to lock the focus.
    So if you want to add a note or a line to views and have them move when you move the view, click in the views, right click and lock the view focus, then add the items you want.

    Once you are finished just click the views and unselect the lock view focus. Now your items should move in lock step with the views.

    What about notes that you want to be part of the sheet. Say you have some general material or heat treatment notes that you dont want to have moved when views are manipulated. You need to use lock sheet focus.

    Lock Sheet Focus.
    Allows you to add sketch entities to the sheet. Otherwise, the sketch entities belong to the view that is closest to where you begin sketching. You can also double-click a sheet to lock the focus. Lock Sheet Focus is available when at least one drawing view is present. When Lock Sheet Focus is enabled, the drawing sheet border is pink.

    Finally if you are in a situation where you want to lock certain projections in postion use lock view position. I find this useful when I want to use a single projection to show an open or closed position by superimposing views on top of each other:

    Create two views of the same part or assembly. Align them horizontally or vertically as required. Right-click anywhere in the desired view and select Lock View Position. Then you can line up the copied views right over top of the original, making it look as if both are the same.
    Following these directions should help so that notes and sketched lines dont end up where they are not supposed to be!