SECTION 04100

MORTAR

PART 1 GENERAL

SECTION INCLUDES

Mortar [and grout] for masonry.

RELATED WORK

Section [01400 - Quality Control:] [01410 - Testing Laboratory Services:] Testing laboratory services.

Section 04235 - Preassembled Masonry Panels.

Section 04270 - Glass Unit Masonry.

Section 04300 - Unit Masonry System: Installation of mortar[.] [and grout.]

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Section 04310 - Single Wythe Masonry System: Installation of mortar[.] [and grout.]

Section 04320 - Veneer Masonry System: Installation of mortar[.] [and grout.]

Section 04330 - Cavity Wall Masonry System: Installation of mortar[.] [and grout.]

Section 04340 - Reinforced Unit Masonry System: Installation of mortar and grout.

Section 04410 - Rough Stone: Installation of mortar for rough stone.

Section 04450 - Cut Stone Veneer: Installation of mortar

for [marble.] [granite.] [slate.] [limestone.]

Section 04500 - Masonry Restoration and Cleaning: Bedding and pointing mortar for masonry restoration work.

[Section [08111 - Standard Steel Doors and Frames:] [08114 - Custom Steel Doors and Frames:] Grouting steel door frames.]

REFERENCES

ASTM C5 - Quicklime for Structural Purposes.

ASTM C91 - Masonry Cement.

ASTM C94 - Ready-Mixed Concrete.

ASTM C144 - Aggregate for Masonry Mortar.

ASTM C150 - Portland Cement.

ASTM C207 - Hydrated Lime for Masonry Purposes.

ASTM C270 - Mortar for Unit Masonry.

ASTM C387 - Packaged, Dry, Combined Materials, for Mortar and Concrete.

ASTM C404 - Aggregates for Masonry Grout.

ASTM C476 - Grout for Masonry.

ASTM C595 - Blended Hydraulic Cement.

ASTM C780 - Preconstruction and Construction Evaluation of Mortars for Plain and Reinforced Unit Masonry.

ASTM C1019 - Method of Sampling and Testing Grout.

IMIAC - International Masonry Industry All-Weather Council: Recommended Practices and Guide Specifications for Cold Weather Masonry Construction.

SUBMITTALS

Submit product data under provisions of Section [01300.] [01340.]

Include design mix, indicate Proportion or Property method used, required environmental conditions, and admixture limitations.

Samples: Submit under provisions of Section [01300.] [01340.]

Samples: Submit [two] [_____] ribbons of mortar color, illustrating color and color range.

Submit test reports under provisions of Section [01400.] [01405.]

Submit test reports on mortar indicating conformance to ASTM [C270.] [C780.]

Submit test reports on grout indicating conformance to ASTM [C476.] [C1019.]

Submit manufacturer's certificate under provisions of Section [01400] [01405] that [products] [_____] meet or exceed [specified requirements.] [_______________.]

Submit [premix mortar] [__________] manufacturer's installation instructions under provisions of Section [01300.] [01340.]

DELIVERY, STORAGE, AND HANDLING

Deliver products to site under provisions of Section [01600.] [01610.]

Store and protect products under provisions of Section [01600.] [01620.]

Maintain packaged materials clean, dry, and protected against dampness, freezing, and foreign matter.

ENVIRONMENTAL REQUIREMENTS

Maintain materials and surrounding air temperatures to minimum 50 degrees F (10 degrees C) prior to, during, and 48 hours after completion of masonry work.

****** [OR] ******

Cold Weather Requirements: IMIAC - Recommended Practices and Guide Specifications for Cold Weather Masonry Construction.

MIX TESTS

Test mortar [and grout] in accordance with Section [01400.] [01410.]

Testing of Mortar Mix: In accordance with ASTM C780.

Test mortar mix for [compressive strength][.] [consistency][.] [mortar aggregate ratio][.] [water content][.] [air content][.] [splitting tensile strength][.] [and] [____________________.]

Testing of Grout Mix: In accordance with ASTM C1019.

Test mortar mix for [compressive strength][.] [slump][.] [and] [____________________.]

PART 2 PRODUCTS

MANUFACTURERS - [PREMIX MORTAR] [____________________]

[_________________________] Product [__________.]

[_________________________] Product [__________.]

[_________________________] Product [__________.]

Substitutions: Under provisions of Section [01600.]

[01630.]

MATERIALS

Portland Cement: ASTM C150, Type [I,] [_____,] [gray] [white] color.

Blended Cement: ASTM C595, Type [_____.]

Masonry Cement: ASTM C91, Type [M.] [S.] [N.]

Mortar Aggregate: ASTM C144, standard masonry type.

Hydrated Lime: ASTM C207, Type [S.] [SA.] [N.] [NA.]

Quicklime: ASTM C5, non-hydraulic type.

Premix Mortar: ASTM C387, using [gray] [white] cement, [Normal] [High-Early] [__________] strength.

Grout Aggregate: ASTM C404.

****** [OR] ******

Grout Course Aggregate: Maximum [3/8] [_____] inch ([10] [_____] mm) size; [_____] percent by volume.

Grout Fine Aggregate: [_____] sand; [_____] percent by volume.

Water: Clean and potable.

Bonding Agent: [______________________________________.]

MORTAR COLOR

Mortar Color: [Mineral oxide pigment;] [_____] [_____] color; [__________] manufactured by [_______________.]

ADMIXTURES

Plasticizer: Water reducing type which reduces porosity and absorption to increase bond strength; [__________] manufactured by [_______________.]

Water Repellent: [Granular] [Liquid] type; [__________] manufactured by [_______________.]

Accelerator: [__________] type; [__________] manufactured by [_______________.]

Retardant: [__________] type; [__________] manufactured by [_______________.]

MORTAR MIXES

Mortar for Load Bearing Walls and Partitions: ASTM C270, [Type [M] [S] [N] using the Property Method.] [utilizing the Proportion Method to achieve [_____] psi ([_____] MPa) strength.]

Mortar for Non-load Bearing Walls and Partitions: ASTM C270, [Type [M] [S] [N] [O] using the Property Method.] [utilizing the Proportion Method to achieve [_____] psi ([_____] MPa) strength.]

Mortar for Reinforced Masonry: ASTM C270, [Type [M] [S] [N] using the Property Method.] [utilizing the Proportion Method to achieve [_____] psi ([_____] MPa) strength.]

Pointing Mortar: ASTM C270, Type [N,] [_____,] using the Property Method[.] [with maximum 2 percent ammonium stearate or calcium stearate per cement weight.]

Stain Resistant Pointing Mortar: One part Portland cement, 1/8 part hydrated lime, and two parts graded (80 mesh) aggregate, proportioned by volume. Add aluminum tristearate, calcium stearate, or ammonium stearate equal to 2 percent of Portland cement by weight.

Mortar: ASTM C270, Type [S] [N] [O] using the Property Method.

Pointing Mortar: ASTM C270, Type [O,] [_____,] using the Property Method; [with maximum 2 percent ammonium stearate or calcium stearate per cement weight.] [with [beach] [silica] sand aggregate.]

MORTAR MIXING

Thoroughly mix mortar ingredients in quantities needed for immediate use in accordance with ASTM [C270.] [C780.]

Add [mortar color] [and] [admixtures] in accordance with manufacturer's instructions. Provide uniformity of mix and coloration.

Do not use anti-freeze compounds to lower the freezing point of mortar.

If water is lost by evaporation, retemper only within two hours of mixing.

Use mortar within two hours after mixing at temperatures of 80 degrees F (26 degrees C), or two-and-one-half hours at temperatures under 50 degrees F (10 degrees C).

GROUT MIXES

[Bond Beams:] [Lintels:] [_______________:] [3000] [_____] psi ([21] [_____] MPa) strength at 28 days; [7-8] [_____] inches ([175-200] [_____] mm) slump; [premixed type in accordance with ASTM C94.] [mixed in accordance with ASTM C476 [Fine] [Course] grout.]

Engineered Masonry: [3000] [_____] psi ([21] [_____] MPa) strength at 28 days; [7-8] [_____] inches ([175-200] [_____] mm) slump; [premixed type in accordance with ASTM C94.] [mixed in accordance with ASTM C476 [Fine] [Course] grout.]

GROUT MIXING

Mix concrete in accordance with ASTM C94.

****** [OR] ******

Thoroughly mix mortar ingredients in quantities needed for immediate use in accordance with ASTM C476 [Fine] [Course] grout.

Add admixtures in accordance with manufacturer's instructions. Provide uniformity of mix.

Do not use anti-freeze compounds to lower the freezing point of grout.

PART 3 EXECUTION

EXAMINATION

Request inspection of spaces to be grouted.

PREPARATION

Apply bonding agent to existing [concrete] [__________] surfaces.

Plug cleanout holes with [[brick] [block] masonry units] [_______________] to prevent leakage of grout materials. Brace masonry for wet grout pressure.

INSTALLATION

Install mortar [and grout] in accordance with [premix mortar] [__________] manufacturer's instructions.

****** [OR] ******

Install mortar in accordance with ASTM [C780.] [_____.] Install grout in accordance with [ASTM [_____].] [_______________.]

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Install mortar [and grout] to requirements of the specific masonry [Section.] [Sections.]

Work grout into masonry cores and cavities to eliminate voids.

Do not displace reinforcement while placing grout.

Remove grout spaces of excess mortar.

SCHEDULES

Exterior Cavity Wall: Type S mortar with Type N pointing mortar.

Loading Dock Area, No. 100: CMU partitions with Type N mortar.

Conference Room 102: Glass Unit Masonry with Type N mortar and Type O pointing mortar.

END OF SECTION