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RESTORATION |
| All that was left following the Oklahoma
City Murrah Building bombing were shards of glass. The artists at
Loman Studios used these pieces along with pictures to replicate the
windows originally installed in 1904. |
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| Right - broken pieces taken after the
Murrah Fed. Building disaster. Left -
glass restored by the artists at Loman Studios. |
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Stained glass window - Faceted glass
The following steps are used in producing faceted glass windows.
I. Glass- cathedral glass, hand cast into 8" x 12" x 1" blocks. The glass is cut to shape using a 14" circular wet saw. Optionally, the glass can be scored and anvil-broken.
II. Epoxy - a two part resin compound with similar coefficient of expansion to glass. Once the glass pieces are cut and placed on the pattern, sand or similar aggregate is poured between the glass approximately 3/16" thick. The epoxy is mixed and poured onto the aggregate approximately 2" thick filling the void between the glass pieces. A second layer of aggregate may be applied to allow for texture on both sides of the panel. Both the epoxy and aggregate are available in several colors.
III. Frames - frames for faceted glass windows follow the same general guidelines as leaded windows. Due to the varying thickness of faceted glass panels, metal frames with snap-in stops are not recommended.
IV. Caulking - clear silicone glazing sealant is best suited to this application.
V. Overglazing - Typically not used for faceted glass windows due to the weather and vandal resistant nature of the panel. Overglazing may be used if thermal loss is a major concern of the building design.
VI. Lighting - follows the same criteria as leaded glass windows.
Various finishes classified as stained glass include:
Etched, Carved Glass
I. Sandblasting or etching the surface of clear glass that is either tempered or annealed. Typical etched glass thickness ranges from 1/8" to 2". Etching may also be placed in the inside surfaces of insulated glass units to provide a maintenance free etched window.
II. Tempered glass can be surface etched only.
III. Carving is usually done in 1/4" to 2" thick glass that is not tempered yet. Can be tempered after carving is completed with risk - it may break during tempering process.
IV. Etched glass on doors, cabinet doors, logos, glass walls, conference tables, etc. to name a few applications, is very effective especially when lit with either indirect or direct lighting.
For additional steps in making religious stained glass
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