SECTION 04 21 00
CLAY MASONRY UNITS
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** NOTE TO SPECIFIER ** Meridian™ Brick
Formerly Forterra Brick; brick, clay masonry units.
This section is based on the products of Meridian™ Brick
Formerly Forterra Brick, which is located at:
200 Mansell Court E. Suite 305
Roswell, GA 30076
Toll Free Tel: 866-259-6923
866-263-6229 CA
Email: request info ()
Web: www.meridianbrick.com | www.meridianbrick.ca
[ Click Here ] for additional information.
Forterra Brick is one of North America's largest brick manufacturers with a total capacity of more than 1.7 billion bricks. Headquartered in Charlotte, North Carolina, we employ approximately 1,200 people. Our brick facilities in the United States are located in Kentucky, Michigan, North Carolina, South Carolina, Virginia and Texas. In Canada, we operate facilities in Ontario and Quebec.
Forterra Brick provides superior selection and service, and more than 1,000 styles of brick in four regional brick collections. Among architects and builders across the U.S. and Canada, we are known for: Innovation in our products, people, and service; Service that is straightforward, honest and reliable in all business relationships; Influence, leading the industry in experience, knowledge, and skills.
To learn more about Forterra's sustainability efforts and quality products, services, and building technology, visit www.forterrabrick.com .
PART 1 GENERAL
1.1 SECTION INCLUDES
A. Clay masonry units, mortar, and accessories.
1.2 RELATED SECTIONS
** NOTE TO SPECIFIER ** Delete any sections below not relevant to this project; add others as required.
A. Section 03 30 00 - Cast-in-Place Concrete.
B. Section 04 20 00 - Unit Masonry.
C. Section 05 50 00 - Metal Fabrications.
D. Section 06 10 00 - Rough Carpentry.
E. Section 07 60 00 - Flashing and Sheet Metal.
F. Section 07 91 26 - Joint Fillers.
G. Division 08 - Openings: Exterior doors and windows.
1.3 REFERENCES
** NOTE TO SPECIFIER ** Delete references from the list below that are not actually required by the text of the edited section.
A. ASTM International:
1. ASTM A615 - Standard Specification for Deformed and Plain Carbon-Steel Bars for Concrete Reinforcement.
2. ASTM C67 - Standard Test Methods for Sampling and Testing Brick and Structural Clay Tile.
3. ASTM C144 - Standard Specification for Aggregate for Masonry.
4. ASTM C150 - Standard Specification for Portland Cement.
5. ASTM C207 - Standard Specification for Hydrated Lime for Masonry Purposes.
6. ASTM C216 - Standard Specification for Facing Brick (Solid Masonry Units Made from Clay or Shale).
7. ASTM C270 - Standard Specification for Mortar for Unit Masonry.
8. ASTM C652 - Standard Specification for Hollow Brick (Hollow Masonry Units Made from Clay or Shale).
9. ASTM C780 - Standard Test Method for Preconstruction and Construction Evaluation of Mortars for Plain and Reinforced Masonry.
10. ASTM C1019 - Standard Test Method for Sampling and Testing Grout.
11. ASTM D1056 - Standard Specification for Flexible Cellular Materials, Sponge or Expanded Rubber.
12. ASTM D2240 - Standard Test Method for Rubber Property, Durometer Hardness.
B. Brick Industry Association (BIA):
1. Technical Notes on Brick Construction.
1.4 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. Preparation instructions and recommendations.
2. Storage and handling requirements and recommendations.
3. Installation and cleaning methods.
C. Shop Drawings:
1. Submit general placing drawings to indicate unit sizes, layout and bond patterns, spacing, location and quantities of reinforcement and connectors, and structural movement related to masonry assemblies.
2. Include overall dimensions, framed opening requirements and tolerances, adjacent construction, affected related work, expansion and contraction joint locations, flashing accessories, and project specific details.
** NOTE TO SPECIFIER ** Delete selection samples if colors have already been selected.
D. Selection Samples: For each exposed product to be used, furnish not less than five individual brick samples, showing full range of color and texture to be expected in the finished work.
E. Verification Samples: Submit full size samples of masonry and mortar using manufacturers standard physical samples, printed materials will not be accepted.
F. Test Reports:
1. Submit test reports completed by a qualified independent laboratory for each type of building and facing brick to demonstrate the following:
** NOTE TO SPECIFIER ** Brick are not required to meet the saturation coefficient requirement of ASTM C216 if it meets the physical requirements of section 6.1.2 of ASTM C216. Brick are not required to meet the 5 hour boil absorption and/or saturation coefficient requirements of ASTM C216 if it meets the physical requirements of section 6.1.3 of ASTM C216.
a. Compressive strength in accordance with ASTM C216.
b. 24 hour cold water absorption.
c. 5 hour boil absorption.
d. Saturation coefficient.
** NOTE TO SPECIFIER ** No limit is placed on initial rate of absorption (suction). Units having initial rates of absorption exceeding 30 g/min/30 sq. in. should be wetted prior to laying. For cold weather masonry construction, higher suctions may be tolerated (up to 30-40 g.) than for normal construction.
e. Initial rate of absorption (suction).
f. Efflorescence.
G. Certificates:
1. Submit manufacturer's signed certificates signed that materials comply with specified performance and project design criteria and physical requirements.
1.5 QUALITY ASSURANCE
A. Test bricks in accordance with ASTM C67 with the following additional requirements:
1. For engineered brick masonry, if the coefficient of variation of the compression samples tested exceeds 12%, obtain compressive strength by multiplying average compressive strength of specimens by: 1 - 1.5 (v/100 - .12) where v is the coefficient of variation of sample tested.
B. Mortar shall comply with ASTM C270 and the following:
1. For field construction, use materials and mix by proportions in accordance with BIA Technical Note 8, measuring materials by volume.
2. Laboratory mortar testing to ASTM C780 may be required to establish mortar properties before or during construction to maintain quality control during mortar production in the field.
C. Manufacturer Qualifications:
1. Minimum 10 years experience manufacturing similar products and with production capability to meet the Project schedule.
2. Primary products specified in this section will be supplied by a single manufacturer.
D. Installer Qualifications: As required by the local building authority.
** NOTE TO SPECIFIER ** Include a mock-up if the project size or quality warrant taking such a precaution. When deciding on the extent of the mock-up, consider all the major different types of work on the project. Coordinate mock-up extents and locations with the Drawings. Edit below as required.
E. Mock-Ups (Sample Panel): Provide one or more mock-ups for evaluation of surface preparation techniques and application workmanship as indicated on the Drawings.
1. As soon as unit masonry and mortar samples have been approved, deliver sufficient quantities of the materials to be used to the Project site to construct mock-up in location shown on the Drawings, minimum size 48 inches (1200 mm) long by 36 inches (914 mm) high by full wall thickness.
2. Mock-up shall be a sample of in place construction unless indicated on the Drawings to stand alone and be removed from the Project site after final installation is approved.
3. Mock-ups to include unit masonry, back up construction, mortar, reinforcing and support, provisions for expansion and drainage, tooling and finishing techniques, sealants, and flashing.
a. When required, provide a separate mock-up for each type of brick or mortar.
4. The Architect will visually review mock-up for masonry unit quality, color, texture, blending, relationship of mortar and sealant colors to masonry colors, joint tooling, aesthetic qualities, workmanship, general material and construction methods.
5. Do not proceed with remaining work until mock-up is approved by Architect.
6. Refinish mock-up area as required to produce acceptable work.
7. Accepted mock-ups may remain as part of the completed work and will set the standard of acceptance for remaining work including bond, mortar, workmanship, appearance and project specific criteria indicated by the Architect.
8. Approval of mock-up does not constitute approval of deviations from the Contract Documents unless specifically approved by Architect in writing.
1.6 PRE-INSTALLATION MEETINGS
A. Convene at the Project site minimum two weeks prior to starting work of this section to discuss:
1. Method and sequence of masonry construction.
2. Special masonry details.
3. Standard of workmanship.
4. Quality control requirements.
5. Job organization.
B. Attendance is mandatory for:
1. General Contractor job superintendent.
2. Masonry subcontractor job superintendent.
3. Masonry subcontractor foreman.
4. At least two masons.
5. Authorized representative of the brick supplier.
6. Mortar material suppliers.
1.7 DELIVERY, STORAGE, AND HANDLING
A. Deliver materials in the manufacturer's unopened packaging with manufacturer's identification and labels in tact until ready for installation.
B. Store in accordance with the manufacturer's instructions.
1. Store units off the ground in a clean, dry, well-ventilated area covered to prevent masonry units and related materials from getting saturated before installation.
2. Protect from surface damage, mud, dust or materials likely to cause staining or other defects.
3. Place sand on plastic and tarps, cover with plastic at the end of each day.
4. Protect reinforcement from the elements.
5. Remove damaged or deteriorated materials from the Project site and replace with new materials to meet specified requirements.
C. Handle materials in accordance with the manufacturer's instructions.
1.8 PROJECT CONDITIONS
A. Take field measurements to ensure proper fit of clay unit masonry assemblies with adjacent construction.
B. Protection during construction:
1. Cover walls to prevent mortar joint wash out and water entering walls including:
a. During erection, cover top of wall with strong waterproof membrane at end of each day or construction shutdown.
b. Cover partially completed walls when work is not in progress.
c. Extend cover minimum of 24 inches (609 mm) down both sides of walls.
d. Hold cover securely in place.
2. Load application:
a. Do not apply uniform floor or roof loading for at least 12 hours after building masonry columns or walls.
b. Do not apply concentrated loads for at least 3 days after building masonry columns or walls.
3. Provide temporary bracing during masonry erection. Maintain in place until building structure provides permanent bracing.
C. Stain prevention:
1. Prevent grout or mortar from staining the face of masonry.
a. Remove immediately grout or mortar in contact with face of masonry.
b. Protect openings, sills, ledges and projections from droppings of mortar, protect door jambs and corners from damage during construction.
2. Protect the base of the wall from rain splashed mud and mortar splatter using straw, sawdust or plastic spread along the base.
3. Turn scaffold boards near the on edge at the end of each day.
D. Cold Weather Protection:
1. Comply with manufacturer's weatherproofing recommendations.
E. Hot Weather Protection:
1. When the ambient air temperature may exceed 100 degrees F (37.7 deg C) or 90 degrees F (32.2 deg C) with a wind velocity greater than 8 mph (12.8 kph) , mortar beds shall not be spread more than 4 feet (1219 mm) ahead of the masonry units.
2. Units shall be laid within one minute of spreading mortar.
F. Do not install products under environmental conditions outside manufacturer's recommended limits. Avoid excessive moisture, trapped moisture and spalling by ensuring no more moisture that can dry out of the assembly before the assembly freezes due to ambient temperature conditions.
1.9 SEQUENCING
A. Ensure that products of this section are supplied to affected trades in time to prevent interruption of construction progress.
1.10 WARRANTY
A. Clay Unit Masonry: Provide Manufacturer's Standard 101 year product warranty.
B. Setting Systems: Provide manufacturers standard product warranties, minimum 1 year.
PART 2 PRODUCTS
2.1 MANUFACTURERS
A. Acceptable Manufacturer: Meridian™ Brick; Formerly Forterra Brick, which is located at: 200 Mansell Court E. Suite 305; Roswell, GA 30076; Toll Free Tel: 866-259-6923; 866-263-6229 CA; Email: request info (); Web: www.meridianbrick.com | www.meridianbrick.ca .
** NOTE TO SPECIFIER ** Delete one of the following two paragraphs; coordinate with requirements of Division 1 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 GENERAL
A. All units shall be sound and free of cracks or other defects that interfere with the proper placement of units or significantly impair strength or performance. Minor cracks incidental to the usual method of manufacturer or minor chipping resulting from customary methods of handling in shipment and delivery are not grounds for rejections.
** NOTE TO SPECIFIER ** Retain the following for face brick to ensure masonry is assessed on the overall aesthetics and not on minor imperfections.
1. Where face brick units are used in exposed wall construction, the face or faces that are exposed shall not show chips or cracks other imperfections that are not explicitly permitted when viewed at a distance of 20 feet.
B. Clay masonry units shall be made of natural, non-toxic, inert elements that are not flammable, will not react with other materials, and will not release Volatile Organic Compounds (VOC) or other chemicals.
** NOTE TO SPECIFIER ** Assign types (Brick-1, Brick-2) if more than one size or color are used.
2.3 FACE BRICKS
A. Provide the following clay face bricks to ASTM C216:
** NOTE TO SPECIFIER ** Select grade SW for severe weathering, MW for moderate weathering. SW is required in most parts of the US and Canada based on freeze/thaw cycling. Delete grade not required.
1. Grade: SW.
2. Grade: MW.
** NOTE TO SPECIFIER ** Type of brick refers to appearance, resistance to chippage, and number of bricks allowed to have defects. FBX requires the most precision, FBS requires average precision, FBA allows non-uniformity in size and texture. Allowable imperfections are governed by ASTM C216Delete types not required.
3. Type: FBX.
4. Type: FBS.
5. Type: FBA.
** NOTE TO SPECIFIER ** Sizes below are US Standard Production Sizes. Delete sizes not required.
6. Size: Big John 8-5/8 inch wide by 2-5/8 inch high by 3 inch deep (219 mm wide by 67 mm high by 76 mm deep).
7. Size: Closure 7-5/8 inch wide by 3-5/8 inch high by 3-1/2 inch deep (193 mm wide by 92 mm high by 89 mm deep).
8. Size: Engineer Modular 7-5/8 inch wide by 2-3/4 inch high by 3-1/2 inch deep (193 mm wide by 70 mm high by 89 mm deep).
9. Size: Executive 10 inch wide by 3 inch high by 3 inch deep (254 mm wide by 76 mm high by 76 mm deep).
10. Size: Modular 7-5/8 inch wide by 2-1/4 inch high by 3-1/2 inch deep (193 mm wide by 57 mm high by 89 mm deep).
11. Size: Norman 11-5/8 inch wide by 2-1/4 inch high by 3-1/2 inch deep (295 mm wide by 57 mm high by 89 mm deep).