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Emillie - You apparently have a number of issues to deal with. First, You say you have taken measurements. Did you measure just visible light, or did you also measure UV as well, using an appropriate UV meter? Second, the new "fluorescent" lights are more likely new LED versions, which likely have very ...

Deb - Before you make any decisions about replacement, need for UV, etc. it would be very helpful to do a light survey (visible and UV) of the existing situation. Visible light can do almost as much damage as UV. I assume that the new wallpaper and carpets are costing a considerable amount, and that ...

The continued efficacy of the filters depends on the type of filter. Many films are made with dyes, which usually work for about 10 years or so, depending on the amount of daylight, etc. UV filtering Plexiglas is made differently, and is essentially permanent. As an additional protection, the use of ...

Another issue you should check in relation to your HVAC/mold problem is whether the ducts have an internal lining that can support mold growth. The general recommendation is to have no internal lining, and to insulate the ducts on the outside. I have been involved in a number of cases where internally ...

There are a number of things to consider when dealing with your carriage exhibition building. If three walls are to be entirely made of glass, it is possible that single-layer glazing will not meet local code requirements - and that security issue may not be addressed. Thus, laminated glass may be required. ...