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Cast Aluminum Vents

CAST ALUMINUM WALL VENTS

(Specifier Note:  The purpose of this guide specification is to assist the specifier in correctly specifying brick and foundation wall vent products and their installation.  The specifier needs to edit the guide specifications to fit the needs of specific projects.  Contact a Sunvent Industries Product Representative to assist in appropriate product selections.  Throughout the guide specification, there are Specifier Notes to assist in the editing of the file.

 

References have been made within the text of the specification to current MasterFormat section numbers and titles, specifier needs to coordinate these numbers and titles with sections included for the specific project.  Brackets [ ] have been used to indicate when a selection is required.

 

SECTION 08 95 16

WALL VENTS

Sunvent Industries

C Series Cast Aluminum Wall Vents

PART 1 - GENERAL

1.1                   SECTION INCLUDES

  1. Cast aluminum wall vents with fixed louvers for installation in [masonry] [concrete] [framed] [insert wall description] walls for ventilation.
  2. Accessories:  Insect screens [, adjustable damper,] [duct extension,] [and] [inside register].

1.2                   REFERENCES

  1. ASTM International
  2. ASTM B26 – Standard Specification for Aluminum Alloy Sand Castings.
  3. ASTM B85 – Standard Specification for Aluminum Alloy Die Castings.
  4. ASTM B209 – Standard Specification for Aluminum and Aluminum Alloy Sheet and Plate.
  5. International Residential Code (IRC): Current edition.
  6. International Building Code (IBC): Current edition.

1.3                   SUBMITTALS

(Specifier Note: DELETE Submittal Procedures paragraph when not required. Coordinate requirements with Division 01, Section 01 33 00 – Submittal Procedures.)

  1. Refer to Section [01 33 00 Submittal Procedures] [insert section number and title].
  2. Product Data: Submit manufacturer current technical literature for each type of product.
  3. Shop Drawings: Submit detailed drawings showing vent construction, dimensions, and installation details.
  4. Samples: Provide minimum 3 x 5 inch of each color indicated. 

(Specifier Note:  DELETE LEED submittal requirements when project is not pursuing LEED certification.  LEED-NC v2.2 credits are in red LEED-NC v3 credits are in red bold.)

  1. LEED Submittals:
  2. Material and Resources (MR)
  3. Product Certificates for Credit [MR 4] [MR 4.1[and Credit MR 4.2]]: For products having recycled content, documentation indicating percentages by weight of postconsumer and preconsumer recycled content.
  4. Product Certificates for Credit [MR 5] [MR 5.1[and Credit MR 5.2]]:  For products and materials required to comply with requirements for regionally manufactured materials.  Include statement indicating cost, location of manufacturer, and distance to Project for each regionally manufactured material.

PART 2 - PRODUCTS

(Specifier Note: If wall vents are to be included in a Division 3 – Concrete, Division 4 – Masonry or Division 07 – Thermal and Moisture Protection section copy “Wall Vents” article into appropriate Section and delete “Substitution Limitations” and “Materials” paragraphs, edit remaining paragraphs for project conditions.)

2.1                   WALL VENTS

  1. Manufacturer:  Sunvent Industries, a division of Sylro Sales Corporation, 1 Industrial Drive, No. 26, Pelham, New Hampshire 03076; 800-325-4115; www.sunventindustries.com.
  2. Model:  C Series Cast Aluminum Wall Vent.

(Specifier Note: DELETE or COORDINATE Substitution Limitations paragraph if substitutions are addressed in Division 01, Section 01 21 00 – Substitution Procedures.)

  1. Substitution Limitations:
  2. Submit written request for approval of substitutions to the Architect [a minimum of [14] days prior to the date for receipt of bids] [Insert time period]. 
  3. Substitutions following award of contract are not allowed except as stipulated in Division 01 – General Requirements.
  4. Materials:
  5. Aluminum castings:  0.25 inch minimum thickness cast aluminum complying with ASTM B26 or ASTM B85, Alloy No. 319.
  6. Sheet aluminum:  0.040 inch minimum thickness complying with ASTM B209.
  7. Fasteners:  Type, size, and spacing as recommended by vent manufacturer for project conditions. 

(Specifier Note: Include sealant paragraph if vents are to be installed with sealant.)

  1. Sealant and backer rod:  Type as [specified in Section 07 92 00 - Joint Sealants] [Insert section number and title] [recommended by vent manufacturer].

(Specifier Note: Wall vents can be ordered in standard sizes ranging from 8 1/8 inch wide by 2 1/4 inch high to 16 inches wide by 7 3/4 inch tall.  Refer to Sunvent product literature for available stock sizes.)

  1. Nominal standard sizes: 
  2. Width by height:  [8 by 2-1/4] [and] [8-1/4 by 4-15/16] [8 by 7-7/8] [12 by 2-3/4] [12 by 3-1/2] [12 by 5] [12 by 7-3/4] [16-1/2 by 2-3/8][16 by 4-15/16] [16 by 6] [16 by 7-3/4]  inches.
  3. Depth:  4 inches
  4. Construction:  Cast aluminum, load bearing, wall vent with insect screen.
  5. Louver blades:  Fixed, horizontal blades 1 inch deep at 1 inch centers.  Blade set at 45 degrees.
  6. Frame:

1)             Top of frame:  Integral drip edge at front of frame.

2)             Bottom of frame:  Integral water stop at back of frame and integral drip edge at front of frame.

  1. Insect screen:  Aluminum No. 8 mesh screen set behind louvers riveted to frame behind louvers.
  2. [Accessories: 
  3. [Operable flap damper set behind horizontal fixed louver blades and insect screen, damper shall be operable from exterior of vent using stainless steel flat head screw.]

(Specifier Note: Wall vents can be ordered with duct extensions to accommodate various wall thicknesses.)

  1. [Duct extension:  Straight, rectangular aluminum duct extension fastened to wall vent.  Size as indicated on Drawings.]

(Specifier Note: Wall vents can be ordered with inside registers which are shipped loose and attached to inside wall face or attached to duct extensions.)

  1. [Inside register:  Aluminum register with individually adjusted multi-blade register.  Size to accommodate wall vent size.]]
  2. Finish:

(Specifier Note: Mill Finish is the standard finish if no finish is specified.)

  1. [Mill Finish.]

(Specifier Note: Refer to Sunvent Industries product literature for available colors.)

  1. [Painted Finish: 
  2. Thermoset polyester enamel.
  3. Color:  [Insert color choice] [As selected by Architect from manufacturer's standard range] [Custom color as designated by Architect].]

(Specifier Note: Delete if no duct extensions or inside registers are required.)

  1. Insect Screen[,] [and] [Operable flap damper,] [Duct extension,] [Inside Register]:  Mill finish.

PART 3 - EXECUTION

3.1                   EXAMINATION

  1. Provide field measurements as required to achieve proper fit of wall vents.
  2. Concrete foundations:  Verify that block-outs have been provided in foundation wall formwork.

3.2                   PREPARATION

  1. Masonry Construction: 
  2. [Install vents as masonry work progresses verify construction schedule and have wall vents delivered so as to avoid delays.]
  3. [When vents are to be installed after masonry work has been completed verify that masonry has support to span vent opening.]

3.3                   INSTALLATION

  1. General:
  2. Install vents that are not damaged or scratched. Replace damaged and scratched vents.
  3. Install vents secure, level, and plumb.

(Specifier Note: Include “Masonry Construction” paragraph if vents are to be built into masonry wall.  Delete paragraph if vents are installed after masonry wall has been constructed.)

  1. Masonry construction: 
  2. Build vents into wall with mortar as part of masonry construction specified in Section [04 20 00 – Unit Masonry] [insert section number and title].
  3. Protect exposed vent surfaces from wet mortar.
  4. Install vents, [and duct extensions] in accordance with manufacturer's installation instructions and approved shop drawings.

(Specifier Note: Include “Masonry construction” or “Concrete foundation walls”paragraph if vents are to be installed after wall is constructed and finished.  Delete paragraph if vents are installed as masonry wall is constructed.)

  1. [Masonry construction] [and] [Concrete foundation] walls:
  2. Install vents, [and duct extensions] in accordance with manufacturer's installation instructions and approved shop drawings.

(Specifier Note: Choose from 2 attachment methods, mechanical attachment at rear of vent is preferred by manufacturer.)

  1. [Mechanical attachment:  Mechanically secure vents to wall substrate at rear of vent.]

(Specifier Note: Clip angle attachment method is used when fasteners at rear of vent are not possible to install.)

  1. [Clip angles:  Mechanically secure vents to wall substrate using two clip angles, minimum.  Fabricate wall angles to suit wall thickness and mechanically attach to rear of vent box for concealed attachment.]
  2. Seal around perimeter of vent with sealant.
  3. Attach inside registers to [duct extensions] [inside face of wall] in accordance with manufacturer's installation instructions and approved shop drawings.

3.4                   CLEANING AND PROTECTION

  1. Allow wet mortar or cement plaster on exposed vent surfaces to harden, but not set, prior to removal.  Mortar or cement plaster shall be cleaned from vent with dry burlap rag to prevent scratching.
  2. Remove excess sealant with mineral spirits or other solvent acceptable to sealant manufacturer.
  3. Wash exposed surfaces with solution of mild detergent applied with soft cloth.  Remove dirt from corners.  Wipe surfaces clean.

END OF SECTION