SECTION 04210 PART ONE GENERAL 1.1 SECTION INCLUDES A. Brick Masonry. 1.2 DESCRIPTION A. Provide brick masonry where shown on the Drawings, as specified herein, and as needed for complete and proper installation. 1.3 RELATED DOCUMENTS A. Documents affecting work of this Section include, but are not necessarily limited to, General Conditions, Supplementary Conditions, and Sections in Division 01000 of these Specifications. 1.4 QUALIFICATIONS OF WORKMEN A. Use adequate numbers of skilled workmen who are thoroughly trained and experienced in the necessary crafts and who are completely familiar with the specified requirements and the methods needed for proper performance of the work of this Section. 1.5 SUBMITTALS A. Comply with pertinent provisions of Section 01350 ʻSubmittalsʼ. B. Product data: Within 35 calendar days after the Contractor has received the Ownerʼs Notice to Proceed, submit: 1. Materials list of items proposed to be provided under this Section. 2. Manufacturerʼs specifications and other data needed to prove compliance with the specified requirements. 3. Mock-ups: At an area on the site where approved by the Architect, provide mock-up masonry panels. a. Make each mock-up panel approximately 4ʼ0 high and 6ʼ0 long. 04210-1
b. Provide one mock-up panel for each combination of face brick, bond pattern, mortar color, and joint type used in the Work. c. The mock-up panels may be part of the Work, and may be incorporated into the finished Work when so approved in advance by the Architect. d. Revise as necessary to secure the Architectʼs approval. 4. If the mock-up panels are not permitted to be part of the finished Work, completely demolish and remove them from the job site upon completion and acceptance of the other work of this Section. 1.6 PRODUCT HANDLING A. Protection: Use all means necessary to protect the materials of this Section before, during, and after installation and to protect the work and materials of all other trades. 1. Store masonry units above ground on level platforms which allow air circulation under the stacked units. 2. Cover and protect against wetting prior to use. B. Replacements: In the event of damage, immediately make all repairs and replacements necessary to the approval of the Architect and at no additional cost to the Owner. 1.7 QUALITY ASSURANCE A. Meet the following Standards: 1. Face Brick Units: ASTM C 216. 2. Mortar: For properties per ASTM C 270. 3. Grout: For compressive strength per ASTM C 1019. B. Fire-Resistance Ratings: Where indicated, provide materials and construction identical to those of assemblies with fire-resistance ratings determined per ASTM E 119 by a testing and inspecting agency, by equivalent concrete masonry thickness, or by another means, as acceptable to authorities having jurisdiction. 1.8 PROJECT CONDITIONS 04210-2
A. Cold-Weather Requirements: Do not build on frozen substrates. Remove and replace unit masonry damaged by frost or by freezing conditions. Comply with coldweather construction requirements in ACI 530.1/ASCE 6/TMS 602. B. Hot-Weather requirements: When ambient temperature exceeds 100 deg F, or 90 deg F with a wind velocity greater than 8 mph, do not spread mortar beds more than 48 inches ahead of masonry. Set masonry units within one minute of spreading mortar. PART TWO PRODUCTS 2.1 BRICK A. Brick shall be modular size facing brick, 3-5/8" X 2 1/4" X 7-5/8", '" as manufactured by Glen Gery Brick Co., or approved equal. Verify brick style and color with Architect prior to construction. 1. Face Brick: ASTM C 216, Grade SW, Type FBX. a. Unit Compressive Strength: 3000-psi- minimum, average net-area compressive strength. b. Initial Rate of Absorption: Less than 20 g/30 sq. in. per minute when tested per ASTM C 67. c. Efflorescence: When tested per ASTM C 67 and brick is rated "not effloresced." d. Surface Coloring: Brick with surface coloring, other than flashed or sand-finished brick, will withstand 50 cycles of freezing and thawing per ASTM C 67 with no observable difference in the applied finish when viewed from 10 feet. 2. Provide units without cores or frogs and with exposed surfaces finished for ends of sills and caps and for similar applications that would otherwise expose unfinished brick surfaces. 3. Provide special shapes for applications requiring brick of size, form, color, and texture on exposed surfaces that cannot be produced by sawing. B. Provide weep holes as required. Weep holes shall contain cotton rope which shall remain in-place. 2.2 MORTAR 04210-3
A. Portland cement: Comply with ASTM C150, type I or type II, low alkali. Masonry cement will not be acceptable. B. Aggregate: C. Lime: 1. Sand for mortar: Comply with ASTM C144. 2. Clean white sand only is to be used with white mortar. 1. Quick lime: Comply with ASTM C5. 2. Hydrated lime: Comply with ASTM C207, Type S. D. Coloring pigment: Provide pure ground mineral oxides, non-fading and alkali proof. Color approved by the Architect. E. Water: Provide potable water, free from injurious amounts of acids, alkalis, oil, and organic matter. F. Admixtures: 1. Use only such admixtures as are specifically approved in advance by the Architect and by governmental agencies having jurisdiction. 2.3 REINFORCING STEEL A. Reinforcing Bars: ASTM A 615, Grade 60. B. Deformed Reinforcing Wire: ASTM A 496. 1. Deformed Welded Wire Fabric: ASTM A 497. 2.4 JOINT REINFORCING A. Welded wire with deformed side rods. 1. Steel Wire: 9 gage galvanized steel. 2. Type: Ladder or truss type. 3. Dur-o-wall or approved equal. 04210-4
2.5 TIES AND ANCHORS A. Bent Wire Ties: Galvanized steel. B. Rigid Anchors: Galvanized steel straps. C. Adjustable Masonry Veneer Anchors: Screw-attached two-piece galvanized triangular or rectangular wire tie and metal anchor. D. Unit Type Masonry Inserts in Concrete: Malleable iron. E. Dovetail Slots: Galvanized sheet metal. F. Anchor Bolts: ASTM A 307, Grade A, galvanized. G. Postinstalled Anchors: Chemical or expansion anchors. 2.6 MASONRY ACCESSORIES A. Nonmetallic expansion joint strips. B. Pre-formed control joint gaskets. C. Bond breaker strips. D. Plastic tubing for weeps. E. Cotton sash cord for weeps. F. Open head-joint weeps. 2.7 EMBEDDED FLASHING MATERIALS A. Metal Flashing and Accessories: Fabricated to complying with requirements specified in Section 07620 ʻSheet Metal Flashing and Trimʼ. 1. Material: Stainless steel, 0.0156 inch thick. 2. Metal Drip Edges: Extending at least 3 inches into wall and 1/2 inch out from wall, with a hemmed outer edge bent down 30 degrees. 3. Flashing Terminations: Extending at least 3 inches into wall and out to exterior face of wall. At exterior face of wall, bend metal back on itself for 3/4 04210-5
inch and then down into joint 3/8 inch to form a stop for retaining sealant backer rod. B. Contractor's Option for Concealed Flashing: For flashing partly exposed to the exterior, use metal flashing specified above. For flashing not exposed to the exterior, use the following, unless otherwise indicated: 1. Rubberized-Asphalt Flashing: Manufacturer's standard composite flashing product consisting of a pliable and highly adhesive rubberized-asphalt compound, bonded to a high-density, cross-laminated polyethylene film to produce an overall thickness of 0.030 inch. a. Products: i. Grace, W. R. & Co., Construction Products Division; Perm-A- Barrier Wall Flashing. 2. Elastomeric Thermoplastic Flashing: Manufacturer's standard composite flashing product consisting of a polyester-reinforced ethylene interpolymer alloy 0.025 inch thick with a 0.015-inch- thick layer of rubberized-asphalt adhesive. a. Products: i. Hyload Cloaked Flashing System; Hyload Flashing Membrane. 3. EPDM Flashing: Manufacturer's standard flashing product formed from a terpolymer of ethylene-propylene diene, complying with ASTM D 4637, 0.040 inch thick. a. Products: i. Firestone Building Products; FlashGuard. 2.8 MISCELLANEOUS MASONRY ACCESSORIES A. Compressible Filler: Premolded filler strips complying with ASTM D 1056, Grade 2A1; compressible up to 35 percent; formulated from neoprene, urethane or PVC. B. Preformed Control-Joint Gaskets: Designed to fit standard sash block and to maintain lateral stability in masonry wall. Made from styrene-butadiene-rubber compound complying with ASTM D 2000, Designation M2AA-805. 04210-6
C. Bond-Breaker Strips: Asphalt-saturated, organic roofing felt complying with ASTM D 226, Type I (No. 15 asphalt felt). D. Wicking Material: Cotton or polyester rope, 1/4 to 3/8 inch in diameter, in length required to produce 2-inch exposure on exterior and 18 inches in cavity between wythes. E. Cavity Drainage Material: 2-inch- thick, free-draining mesh; made from polyethylene strands. F. Products: 1. Advanced Building Products, Inc.; Mortar Break. 2. CavClear; CavClear Masonry Mat. 3. Mortar Net USA, Ltd.; Mortar Net. 4. Polytite Manufacturing Corp.; Mortar Stop. 2.9 MASONRY CLEANERS A. Job-Mixed Detergent Solution: Solution of 1/2-cup dry measure tetrasodium polyphosphate and 1/2-cup dry measure laundry detergent dissolved in 1 gal. of water. 2.10 MORTAR AND GROUT MIXES A. General: Do not use admixtures, unless otherwise indicated. Do not use calcium chloride in mortar or grout. B. Mortar for Unit Masonry: Comply with ASTM C 270, Proportion Specification. For masonry below grade, in contact with earth, and where indicated, use Type M. For exterior, above-grade, load-bearing and non-load-bearing walls and parapet walls; for interior load-bearing walls; for interior non-load-bearing partitions; and for other applications where another type is not indicated, use Type N. C. Pigmented Mortar: Select and proportion pigments with other ingredients to produce color required. Limit pigments to the following percentages of cement content by weight: 1. For portland cement-lime mortar, not more than 10 percent. 2.11 PROTECTIVE COATING SYSTEM 04210-7
A. Apply a clear protective VOC Compliant coating to all masonry surfaces to a height of eight feet above grade. The product is to be TEX-COTE GRAFFITI GUARD or approved equal. PART THREE EXECUTION 3.1 SURFACE CONDITIONS A. Examine the areas and conditions under which work of this Section will be performed. Correct conditions detrimental to timely and proper completion of the Work. Do not proceed until unsatisfactory conditions are corrected. B. Foundations: 1. Do not commence installation until foundation are clean, rough, and level. 2. Sandblast the foundation tops, if necessary, and remove al lattice and foreign material. 3. Verify that the foundation elevation is such that the bed joint thickness will be between 1/4 and 3/4, and that the foundation edge is true to line with masonry not projecting over more than 1/4. 4. Clean projecting dowels free from loose scale, dirt, concrete, and other material that will inhibit bond. 5. Verify that dowels are in proper location. 3.2 COORDINATION A. Carefully coordinate with all other trades. 3.3 MIXING MORTAR A. Use a mechanical mixer of one sack minimum capacity. Mix mortar for at least three minutes after all materials have been added. Mix only as much mortar as can be used in one hour after water has been first mixed into the batch. Do not re-temper mortar. 1. Provide mortar type S or type N, as designated on the Drawings or otherwise directed by the Architect, and in accordance with ASTM C270. 2. Proportions: 04210-8
a. For type S mortar, provide one part portland cement to 1/4 to 1/2 part hydrated lime and 3-3/4 parts sand by volume. b. For type N mortar, provide one part portland cement to 1/2-1-1/4 part hydrated lime and 4-1/2 parts sand by volume. 3. Mechanically mix in a batch mixer for not less than three minutes, using only sufficient water to produce a mortar which is spreadable and of a workable consistency. 4. Retemper mortar with water as required to maintain high plasticity. 3.4 INSTALLATION A. Wetting of bricks: B. Laying: a. On mortar boards, retemper only by adding water within a basin formed with mortar, and by working mortar into the water. b. Discard and do not use mortar which is unused after 1-1/2 hours following initial mixing. 1. When being laid, provide brick suction sufficient to hold the mortar and to absorb water from the mortar and grout. 2. Provide brick sufficiently damp so that mortar will remain plastic enough to permit the brick to be leveled and plumbed immediately after being laid without destroying the bond. 1. Unless otherwise indicated on the Drawings, make the brickwork plumb, level, and true to line, with square angles and corners. 2. Use line blocks whenever possible. When it is absolutely necessary to use a line pin, fill the hole immediately after the pin is withdrawn. 3. Use only brick that are clean and free from dust and other foreign matter. 4. Lay in running bond unless otherwise shown on the Drawings. 5. Do not use bonding headers on grouted masonry unless specifically so directed by the Architect. 04210-9
6. Bed joints: a. Bevel all bed joints, sloping toward the center of the wall in such a manner that the bed joints will be filled when the brick is finally brought to line. b. Do not furrow the bed joints. c. Avoid fins of bed joints protruding into grout space. i. If they occur, leave in place if not projecting more than the bed joint thickness. ii. Do not, in any case, cut off and drop into the grout space. 7. Head joints: Regardless of thickness, completely fill with mortar or grout. 8. Lay both wythes of the wall to a line. 9. Where bricks are moved or shifted, remove and lay again in fresh mortar. 10. Except at the finishing course, stop grout approximately 1 below the top of the last course. 3.5 ANCHOR, INSERTS, ETC. A. Build in as necessary, required for attachment of other materials, and equipment. Install nailing strips or blocking for securing woodwork, trim, etc. 3.6 CONTROL JOINTS A. Shall be provided in brick masonry walls, spaced at a maximum of 20ʼ o.c., at or near corners, at offsets, at wall intersections, and other areas as recommended by the brick industry association, which will allow freedom of movement in a horizontal line parallel to the wall and shall be capable of resisting lateral forces which may cause walls adjacent to control joint to become out of line with each other. 3.7 FLASHING, WEEP HOLES, AND VENTS A. General: Install embedded flashing and weep holes in masonry at shelf angles, lintels, ledges, other obstructions to downward flow of water in wall, and where indicated. 04210-10
1. Extend flashing 4 inches at ends and turn flashing up not less than 2 inches to form a pan. 2. Install metal drip edges beneath flashing at exterior face of wall. Stop flashing 1/2 inch back from outside face of wall and adhere flashing to top of metal drip edge. 3. Install metal flashing termination beneath flashing at exterior face of wall. Stop flashing 1/2 inch back from outside face of wall and adhere flashing to top of metal flashing termination. 4. Provide thru-wall flashing over all equipment partially or fully recessed in exterior walls. 5. Secure and lap flashing sufficiently at columns to make watertight. B. Install weep holes in the head joints in exterior wythes of the first course of masonry immediately above embedded flashing. 1. Use wicking material to form weep holes. 2. Space weep holes 16 inches o.c. 3. Trim wicking material used in weep holes flush with outside face of wall after mortar has set. 3.8 WORKMANSHIP FOR UNITS A. All brick masonry unit work shall have mortar joints tooled concave or as directed by Architect. B. Lay courses to conform to heights of doorways, openings, according to modular method. Construct courses level, joints of uniform size. Build brick masonry unit walls neatly against structural work, not bounded; allow space for caulking sealant at door and window frames or other work abutting or built into brick masonry unit walls. C. Masonry infill shall be toothed into new openings so that no cut edges of brick are exposed to view. Match existing pattern and joint profile. 3.9 STEEL LINTELS A. Furnish steel lintels for openings in masonry walls where indicated or required; steel lintels will not be required over door and window openings where masonry lintels are 04210-11
indicated. Lintels shall be of sizes shown and specified and shall have six (6) inch bearing at each end unless otherwise shown. Back to back angles shall be welded. B. Furnish one steel angle for each four (4) inches of masonry at each opening unless otherwise shown or scheduled. Size of angle shall conform to the following: 4" x 3-1/2" x 5/16" for openings from 0'6" to 4'-0" 5" x 3-1/2" x 5/16" for openings from 4'-0" to 6'-0" 6" x 3-1/2" x 5/16" for openings from 6'-0" to 7'-4" C. All steel lintels shall be shop primed prior to installation. 3.10 JOINTERY A. General: 1. Cut out and repoint defective joints. 2. On all joints exposed to the weather, tool and make smooth, solid, and watertight. B. Joint pattern: 1. Joints not exposed to the weather, and joints to be covered with a succeeding layer of plaster or similar material, unless otherwise directed, provide struck joints. 2. All other joints: Provide concave tooled joints. 3.11 POINTING AND CLEANING A. At the completion of this portion of the Work, visually inspect the work of this Section and point, or cut out and repoint if necessary, all holes and defective joints. B. Thoroughly clean all brick surfaces to be left exposed in the finished Work, removing all traces of mortar, grout, and foreign matter. In the event ordinary cleaning is not adequate, provide light sandblasting when so directed by the Architect, and at no additional cost to the Owner. 3.12 PROTECTION 04210-12
A. Contractor shall protect masonry work from damages of every description until building is complete and replace any damaged material without additional cost to the Owner. Maintain protection in good substantial condition until removed to permit pointing and cleaning down. 3.13 PROTECTIVE COATING SYSTEM A. Apply a clear protective coating to all masonry surfaces to a height of eight feet above grade. Follow manufacturerʼs instructions for application. END OF SECTION 04210-13