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SECTION -
 
 
ARCHITECTURAL MUNTIN GRIDS FOR STOREFRONTS AND CURTAIN WALLS
Copyright 2017 - 2017 ARCAT, Inc. - All rights reserved
** NOTE TO SPECIFIER ** Bacon's Architectural Muntins; architectural muntin grids for storefronts and curtain walls.
This section is based on the products of Bacon's Architectural Muntins ('BAM'®), which is located at:
801 South Neil Street.
Champaign IL 61820-5205
Toll Free Tel: 800-747-6471
Tel: 217-356-6471
Fax: 217-352-7267
Email: info@bamuntins.com
Web: www.bamuntins.com
[ HYPERLINK 'http://www.arcat.com/arcatcos/cos48/arc48573.html'Click Here ] for additional information.
Designed to accent and enhance aluminum storefront and curtain wall systems, Bacon's Architectural Muntins are custom extruded, finished and fully assembled aluminum muntin grids.
With our applied systems, Bacon's Architectural Muntins give the designer and building owner the look of true divided lite muntins for a fraction of their cost while reducing the installing glazier's field labor costs.
Achieve historic renovation or create an exciting new vision with our custom aluminum applied muntins. Enduring and maintenance-free, Bacon's Architectural Muntins gives your building your unique design signature.
 
PART 1 GENERAL
 
1.1
SECTION INCLUDES
A.
Architectural aluminum extruded muntin grids of the following types:
 
** NOTE TO SPECIFIER ** Delete items below not required for project.
 
1.
Screw-applied muntin grids.
2.
Glazed-in muntin grids.
3.
Tape-applied muntin grids.
1.2
RELATED SECTIONS
 
** NOTE TO SPECIFIER ** Delete any sections below not relevant to this project; add others as required.
 
A.
Section 08 41 13 - Aluminum-Framed Entrances and Storefronts.
B.
Section 08 44 13 - Glazed Aluminum Curtain Walls.
1.3
SUBMITTALS
A.
Submit under provisions of Section 01 30 00 - Administrative Requirements.
B.
Product Data: Manufacturer's data sheets on each product to be used, including:
1.
Manufacturer's printed installation instructions, showing required preparation and installation procedures.
2.
Storage and handling requirements and recommendations.
3.
Installation methods.
4.
Cleaning and maintenance instructions.
C.
Verification Samples: Submit representative sample of profiles and color proposed for use. Assembled aluminum muntin grids must be reviewed and approved prior to bid.
D.
Closeout Submittals: Documentation of manufacturer's finish and workmanship warranties.
1.4
QUALITY ASSURANCE
A.
Manufacturer: Minimum 10 years experience with fabricating similar muntin systems for storefront and curtain wall framing.
B.
Pre-Installation Meetings: Conduct a pre-installation meeting with Installer to verify project requirements, substrate conditions, construction documents, details and manufacturer's warranty requirements.
 
** NOTE TO SPECIFIER ** Delete mock-up if not required.
 
C.
Mockups:
1.
Mock-ups of fully-assembled grids are required for approval prior to permanent installation.
2.
Approved mockups may become part of the completed Work if undisturbed at time of Substantial Completion.
1.5
DELIVERY, STORAGE, AND HANDLING
A.
Deliver, store and handle materials as recommended by manufacturer.
1.6
WARRANTY
A.
Manufacturer's Warranty: Provide manufacturer's standard limited warranty.
PART 2 PRODUCTS
 
2.1
MANUFACTURERS
A.
Acceptable Manufacturer: Bacon's Architectural Muntins, which is located at: 801 South Neil Street, Champaign, IL 61820; ASD. Toll Free Tel: 800-747-6471; Tel: 217-356-6471; Fax: 217-352-7267; Email: info@bamuntins.com ; Web: bamuntins.com.
 
** NOTE TO SPECIFIER ** Delete one of the following two paragraphs; coordinate with requirements of Division 01 section on product options and substitutions.
 
B.
Substitutions: Not permitted.
C.
Requests for substitutions will be considered in accordance with provisions of Section 01 60 00 - Product Requirements.
2.2
ARCHITECTURAL MUNTIN GRIDS FOR STOREFRONTS AND CURTAIN WALLS
A.
General Requirements:
1.
Assembled, extruded aluminum muntin grids for field-installation over glass glazing in aluminum frames or shop-installation over pre-glazed frames.
2.
Manufactured nominal 1/8 inch (1.6 to 3 mm) smaller in width and height overall than the ' daylight opening' of the glazing area.
3.
Perimeter Profile: Sloped, resembling the mid-muntins and not interfering with adjacent glazing vinyl.
4.
Pattern and Profile: As shown on the Drawings.
 
** NOTE TO SPECIFIER ** Delete finishes not required.
 
5.
Finish and Color: Match aluminum frames in which muntin grids are to be placed unless otherwise specified on Drawings.
6.
Finish and Color: ______.
7.
Finish and Color: As selected by Architect from manufacturer's full range.
 
** NOTE TO SPECIFIER ** Delete if not required.
 
8.
Spacers within Insulating Glass: Color as selected by Architect, aligned with muntins to provide a ' true-divided-lite' appearance.
 
** NOTE TO SPECIFIER ** Recommended for standard tubular storefront framing. Delete if not required
 
B.
Screw Applied Muntins:
1.
Removable allowing for future glass washing or glass replacement.
2.
Not anchored through the sill or positioned as to cause leakage within the adjacent framing.
3.
Cushion Buttons: Clear or same-colored silicone buttons with single-side adhesive on grid intersections at the surface of muntin grids adjacent to glass preventing noise and allow for positive water-wash.
4.
Anchoring Locations: Screw-anchored at no less than two locations per side of grids, and not less than one location at the top of the grid at midpoint to the surrounding framing.
5.
Anchor Screws: Rust-resistant aluminum, stainless steel or nickel. Touch-up paint screw-heads in the field as needed.
 
** NOTE TO SPECIFIER ** Recommended for partial grids and unique settings. Delete if not required.
 
C.
Glaze-In System: Apply a thin (0.040 - 0.031 inch) single-sided tape to the back sides of the perimeter so as to separate the muntin system from making contact with the glass.
D.
Tape Applied Muntin Grids: Clean glass surfaces and use 3M VHB double-sided muntin tape or approved equal to permanently apply grids to glass in strict accordance with the application requirements of the tape manufacturer.
PART 3 EXECUTION
 
3.1
EXAMINATION AND PREPARATION
A.
If preparation is the responsibility of another installer, notify Architect in writing of deviations from manufacturer's recommended installation tolerances and conditions.
B.
Do not proceed with installation until substrates have been properly prepared and deviations from manufacturer's recommended tolerances are corrected. Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions.
C.
Commencement of installation constitutes acceptance of conditions.
3.2
INSTALLATION
A.
Install products in strict accordance with manufacturer's instructions and approved submittals.
1.
Exterior and interior grids shall be aligned exactly back-to-back to simulate divided lites.
 
** NOTE TO SPECIFIER ** For screw applied application. Delete if not required.
 
2.
Muntins shall be centered in width and height when installing, nominal gaps around the grid assuring water and cleaning solutions have a positive flow when running down glass surfaces.
3.
Touch up anchor screws to match aluminum framing after installation as needed.
 
** NOTE TO SPECIFIER ** For tape applied application. Delete if not required.
 
4.
Clean glass prior to taping to glass surfaces.
3.3
CLEANING AND PROTECTION
A.
Protect installed grids from damage during for remainder of construction period, in accordance with manufacturer's recommendations.
END OF SECTION