Glass and glazing
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*GLASS
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A hard, brittle inorganic substance,
usually transparent or translucent substance,
produced by fusing silica together with a flux, and a stabilizer
into a mass that cools to a rigid condition
without crystallization.
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MANUFACTURING
SHEET GLASS PLATE GLASS FLOAT GLASS
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TYPES OF
GLASS
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REFLECTIVE GLASS
HEAT-ABSORBING GLASS
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WIRE GLASS FIGURE GLASS
CATHEDRAL GLASS LOW- EMISSIVITY GLASS
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ANNEALED GLASS
HEAT-STRENGTHENED GLASS
TEMPERED GLASS
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LAMINATED GLASS
SECURITY GLASS ACOUSTICAL GLASS
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ROLLED PLATE GLASS
INSULATING GLASS
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Classification of Sheet Glass
Window Glass- used for glazing windows doors and storm sash in residential buildings where good light and vision are required at moderate cost.
Heavy Sheet Glass- used for glazing windows and doors where greater strength is required but where slight distortion is not objectionable.
Picture Glass- used for covering pictures, photographs, maps, charts projector slides and instrument dials.
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GLASS PRODUCT GLASS BLOCKS
FUNCTIONAL1. LIGHT DIRECTING BLOCK2. LIGHT DIFFUSING BLOCK3. GENERAL PURPOSES BLOCK
DECORATIVE / ARCHITECTURAL GLASS
SOLID GLASS BRICK
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*GLAZING
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THE PAINS OR SHEETS OF GLASS OR OTHER TRANSPARENT MATERIAL MADE TO BE SET IN FRAMES,
AS IN WINDOWS, DOORS, AND MIRRORS.
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METHODS OF GLAZINGDOUBLE GLAZING
THE INSTALLATION OF TWO PARALLEL PANES OF GLASS WITH A SEALED AIR SPACE BETWEEN TO REDUCE THE TRANSMISSION OF HEAT AND SOUND.
FACE GLAZINGTHE SETTING OF A GLASS PANE IN A
RABBETED FRAME, HOLDING IT IN PLACE WITH GLAZIER’S POINTS, AND SEALING IT WITH A BEVELED BEAD OF PUTTY OR GLAZING COUMPOUND.
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• PUTTY- A COMPOUND OF WHITING AND LINSEED OIL, OF DOUGHLIKE CONSISTENCY WHEN FRESH, USED IN SECURING WINDOWPANES OR PATCHING WOODWORK DEFECTS.
• FACE PUTTY- THE PUTTY OR GLAZING
COMPOUND FORMED ON THE EXTERIOR SIDE OF GLASS AN EVEN BACKING.
• BEDDING- A THIN LAYER OF PUTTY LAID IN THE RABBET IN A WOOD SASH TO GIVE A PANE OF GLASS AN EVEN BACKING.
• GLAZIER’S POINT- A SMALL, POINTED PIECE OF SHEET METAL FOR HOLDING A GLASS PANE IN A WOOD SASH UNTIL THE FACE PUTTY HAS HARDENED.
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WET GLAZINGTHE SETTING OF GLASS IN A WINDOW
FRAME WITH GLAZING TAPE OR A LIQUID SEALANT.
GLAZING TAPE-A PERFORMED RIBBON OF SYNTHETIC RUBBER HAVING ADHESIVE PROPERTIES AND USED IN GLAZING TO FORM A WATERTIGHT SEAL BETWEEN GLASS AND FRAME.
CAP SEALANT-AN ADHESIVE LIQUID OR SYNTHETIC RUBBER INJECTED INTO THE JOINT BETWEEN A GLASS PANE OR UNIT AND A WINDOW FRAME, CURING TO FORM A WATERTIGHT SEAL.
GLAZING BEAD-A WOOD MOLDING OR METAL SECTION SECURED AGAINST THE EDGE OF A GLASS PANE OR UNIT TO HOLD IT IN PLACE.
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DRY GLAZINGTHE SETTING OF A GLASS IN A
WINDOW FRAME WITH COMPRESSION GASKET INSTEAD OF GLAZING TAPE OR A LIQUID SEALANT.
COMPRESSION GASKET- A PERFORMED STRIP OF SYNTHETIC RUBBER OR PLASTIC COMPRESSED BETWEEN A GLASS PNAE OR UNIT AND A WINDOW FRAME.
LOCKSTRIP GASKET- A PERFORMED GASKET OF SYNTHETIC RUBBER FOR SECURING A GLASS PANE OR UNIT IN A WINDOW FRAME OR OPENING HELD IN COMPRESSION BY FORCING A KEYED LOCKING STRIP INTO GROOVE IN THE GASKET.
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• GLASS SIZE –(GLAZING SIZE) THE SIZE OF A GLASS PANE OR UNIT REQUIRED FOR GLAZING AN OPENING, ALLOWING FOR ADEQUATE EDGE CLEARANCE.
• EDGE BLOCK- (CENTERING SHIM, SPACER) ONE OF THE SMALL BLOCKS OF SYNTHETIC RUBBER PLACED BETWEEN THE SIDE EDGES OF A GLASS PANE OR UNIT AND A FRAME TO CENTER IT.
• FACE CLEARANCE- THE DISTANCE BETWEEN THE FACE OF A GLASS PANE OR UNIT AND THE NEAREST FACE OF ITS FRAME OR STOP.,MEASURED NORMAL TO THE PLANE OF THE GLASS.
• BITE- THE AMOUNT OF OVERLAP BETWEEN THE EDGE OF A GLASS PANE OR UNIT AND A WINDOW FRAME.
• EDGE CLEARANCE- THE DISTANCE BETWEEN THE EDGE OF A GLASS PANE OR UNIT AND A WINDOW FRAME.
• SETTING BLOCK- ONE OF THE SMALL BLOCKS OF LEAD OR SYNTHETIC RUBBER PLACED UNDER THE LOW EDGE OF A GLASS PANE OR UNIT TO SUPPORT IT WITHIN A FRAME.
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GLAZING SYSTEMGLASS MULLION SYSTEM
BUTT-JOINT GLAZING
FLUSH GLAZING
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THANK YOU FOR LISTENING
TMF