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	SECTION 04812
	NOTE ** Note: This section could also be classified in Division 8 as an aluminum window system under Section 08520 - Aluminum Windows.
	GLASS BLOCK WINDOW AND WALL SYSTEM
	NOTE ** This section is based on the "IBP Glass Block Grid System" manufactured by Innovative Building Products, Inc., headquartered at the following address: 3024 Acme Brick Plaza Fort Worth, TX 76109 Toll Free: (800) 932-2263 Phone: 817-332-4101 Fax: (817) 332-1406 Email: sweddle@ibpglassblock.com Web Site: www.ibpglassblock.com
	PART 1	GENERAL
	1.1	SECTION INCLUDES
	NOTE ** Delete items below not required for project. If assemblies other than conventional windows and walls are covered by this section, add a brief description of those items here. Examples are: shower surrounds, borrow lites.
		A.	Glass block window and wall system, consisting of extruded aluminum grid and glass blocks, and with all other items necessary for a complete assembly.
	1.2	RELATED SECTIONS
	NOTE ** Delete any sections below not relevant to this project; add others as required.
		A.	Section 07600 - Flashing and Sheet Metal.
	1.3	REFERENCES
	NOTE ** Delete references from the list below that are not actually required by the text of the edited section.
		A.	ASTM B 221 - Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Shapes, and Tubes.
	1.4	SUBMITTALS
		A.	Submit under provisions of Section 01300.
		B.	[ Product Data ]: For both grid system and glass block. Indicate materials, sizes, shapes, thicknesses, and finishes. Include installation and assembly instructions.
	NOTE ** Retain shop drawings for custom designed units and for other installations where shop drawings would confirm that the manufacturer and contractor have interpreted the contract documents correctly.
		C.	Shop Drawings: Show methods of construction, location and spacing of anchors, and relationship to adjoining work.
	NOTE ** Delete selection samples if colors and patterns are specified.
		D.	Selection Samples: Manufacturer's full range of finishes and colors, for selection.
	1.5	DELIVERY, STORAGE, AND HANDLING
		A.	Store materials in dry place, off the ground, where temperature will not exceed 90 degrees F. (32 degrees C)
		B.	Handle material in manner that will prevent damage to finished surfaces. Do not install scratched or damaged components.
	1.6	WARRANTY
		A.	Provide manufacturer's standard warranty.
		B.	Provide one year installer's warranty against faulty workmanship and water leakage.
	PART 2	PRODUCTS
	2.1	MANUFACTURERS
		A.	Glass Block Support Grid: Provide "IBP Glass Block Grid System" manufactured by Innovative Building Products, Inc., 3024 Acme Brick Plaza, TX 76109; Toll Free Tel: 800-932-2263; Tel: 817-332-4101; Fax: 817-332-1406; Email: sweddle@ibpglassblock.com; Web Site: www.ibpglassblock.com
		B.	Glass Block: Provide products manufactured by one of the following:
	NOTE ** Coordinate the list of glass block manufacturers with those who can make block of the type (pattern, color, thickness, etc.) that are required.
			1.	Pittsburgh Corning Corp.
			2.	Westerwald Glasstein (Solaris).
			3.	Glashaus 1nc. (Weck).
	2.2	MATERIALS
		A.	Glass Block Support Grid: Factory assembled, extruded aluminum two-way T-bar grid, sized to fit glass block with one block to a module, and hollow perimeter frame with predrilled fastener holes.
			1.	Aluminum: ASTM B 221, 6063-T6 or 6463-T6 alloy.
			2.	Finish: As selected by Architect from manufacturer's standard finishes.
		B.	Glass Block: Partially evacuated hollow units, 7-3/4 inches (196 mm) square by 3-1/8 inches (79 mm) thick.
	NOTE ** Enter the manufacturer's pattern name in the blank.
			1.	Pattern: ___________.
	NOTE ** Select one of the following color paragraphs. Enter a color description in the blank.
			2.	Color: Clear.
			3.	Color: __________.
		C.	Foam Tape: Adhesive backed, closed cell foam, 1/16 inch (1.5 mm) or 3/32 inch (2.5 mm) thick.
		D.	Sealant: Dow Corning Corp. "TradeMate" glass block sealant.
		E.	Accessories: Provide all sealants, flashings, anchors, fasteners, and other items necessary for complete weather- and waterproof installation.
	PART 3	EXECUTION
	3.1	EXAMINATION
		A.	Verify applicable field dimensions and adjust as necessary to accommodate frame.
		B.	Examine supporting structure and correct any conditions that are not in accordance with manufacturer's installation instructions.
	3.2	INSTALLATION
		A.	Install grid system and glass block according to manufacturer's instructions.
		B.	Apply continuous sealant bead to back of window Z-bar.
		C.	Place frame in rough opening and adjust until plumb and level. Fasten frame in place using screws or nails and predrilled holes.
		D.	Adhere foam tape to entire perimeter of each glass block and insert glass block into grid from exterior side so that block is pressed against T-bar without rolling back foam tape.
		E.	Apply sealant around exterior face of glass block completely filling channel. Tool sealant flush with surface.
		F.	Apply sealant between perimeter frame and adjoining construction.
	3.3	CLEANING
		A.	Clean exposed surfaces of aluminum grid with clean, soft cloth and mild hand soap using gentle rubbing action. Do not use abrasive or solvent type cleaners, detergents, or paint removers.
		B.	Remove labels from glass block and clean with soft cloth and water.
	3.4	PROTECTION
		A.	After installation, protect installed work from damage caused by subsequent operations at project site.
	END OF SECTION