SECTION 07900

JOINT SEALERS

PART	GENERAL

SECTION INCLUDES

Preparing substrate surfaces.

Sealant and joint backing.

RELATED SECTIONS

Section [______-____________]: Sealants required in conjunction with [paving.] [pavers.]

Section [______-____________]: Sealants required in conjunction with [cast-in-place] [precast] [________] concrete.

Section [______-____________]: Sealants required in conjunction with [________] masonry.

Section 06610 - Glass Fiber and Resin Fabrications: Sealants required in conjunction with [________] components.

Section 06620 - Cast Plastic Fabrications: Sealants required in conjunction with plastic fabrications.

Section [______-____________]: Sealants required in conjunction with waterproofing.

Section 07160 - Bituminous Dampproofing: Sealants required in conjunction with dampproofing.

Section 07190 - Vapor and Air Barriers: Sealants required in conjunction with [vapor retardant] [and] [air barrier].

Section 07240 - Coated Insulation System: Sealants required in conjunction with joint sealing.

Section 07270 - Firestopping: Sealants required in conjunction with firestopping.

Section [______-____________]: Sealants required in conjunction with siding.

Section [______-____________]: Sealants required in conjunction with roofing.

Section [______-____________]: Sealants required in conjunction with metal [flashings.] [roofing.] [________.]

Section [______-____________]: Sealants required in conjunction with [door frames.] [________.]

Section [______-____________]: Sealants required in conjunction with [rolled steel] [sheet steel] [aluminum] [wood] [plastic] [________] windows.

Section 08800 - Glazing: Sealants required in conjunction with glazing methods.

Section [______-____________]: Sealants required in conjunction with [________] glazed system.

Section [______-____________]: Sealants required in conjunction with [________] floor [and base] finish.

Section [______-____________]: Sealants required in conjunction with [________] wall [and base] finish.

Section [______-____________]: Sealants required in conjunction with acoustic treatment.

REFERENCES

ASTM C790 - Use of Latex Sealing Compounds.

ASTM C804 - Use of Solvent-Release Type Sealants.

ASTM C834 - Latex Sealing Compounds.

ASTM C919 - Use of Sealants in Acoustical Applications.

ASTM C920 - Elastomeric Joint Sealants.

ASTM D1056 - Flexible Cellular Materials - Sponge or Expanded Rubber.

ASTM D1565 - Flexible Cellular Materials - Vinyl Chloride Polymers and Copolymers (Open-Cell Foam).

SWRI (Sealant, Waterproofing and Restoration Institute) - Sealant and Caulking Guide Specification.

SUBMITTALS

Submit under provisions of Section [01300.] [________.]

Product Data: Provide data indicating sealant chemical characteristics, performance criteria, substrate preparation, limitations, color availability [and] [__________.]

Samples: Submit [two] [_______] samples, [____x____] inch ([____x____] mm) in size illustrating sealant colors for selection.

Manufacturer's Installation Instructions: Indicate special procedures, surface preparation, perimeter conditions requiring special attention, and [________].

QUALITY ASSURANCE

Perform work in accordance with SWRI requirements for [materials] [and] [installation].

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

Perform work in accordance with sealant manufacturer's requirements for preparation of surfaces and material installation instructions.

Perform acoustical sealant application work in accordance with ASTM C919.

Maintain [one copy] [[____] copies] of [each] document on site.

QUALIFICATIONS

Manufacturer: Company specializing in manufacturing the Products specified in this section with minimum [three] [_______] years [documented] experience.

Applicator: Company specializing in performing the work of this section [with minimum [__________] years [documented] experience] [approved by manufacturer].

MOCKUP

Provide mockup to include sealant joints in conjunction with [window,] [wall,] [air barrier system,] [and] [________] under provisions of Section [01400.] [________.]

Construct mockup with specified sealant types and with other components noted.

Locate [where directed.] [________.]

Mockup may [not] remain as part of the Work.

ENVIRONMENTAL REQUIREMENTS

Maintain temperature and humidity recommended by the sealant manufacturer during and after installation.

COORDINATION

Coordinate work under provisions of Section [01039.] [________.]

Coordinate the work with all sections referencing this section.

WARRANTY

Provide [five] [____] year warranty under provisions of Section [01700.] [________.]

Warranty: Include coverage for installed sealants and accessories which fail to achieve [air tight seal,] [water tight seal,] [and] [________], exhibit loss of adhesion or cohesion, or do not cure.

PART	PRODUCTS

SEALANTS

Oil Based (Type A): Single component, resinous compound, elongation capability of [0 to 2] [________] percent of joint width; [________] manufactured by [____________].

Bituminous Based (Type B): Single component, asphalt compound, elongation capability of [0 to 2] [________] percent of joint width; [________] manufactured by [____________].

Acrylic Emulsion Latex (Type C): [ASTM C920, Grade [____], Class [____], Use [____];] Single component, non-staining, non-bleeding, non-sagging; [________] color [as selected]; [________] manufactured by [____________].

Elongation Capability	[2 to 5] [____] percent

Service Temperature Range	[2 to 160] [____] degrees F ([-17 to 71] [____] degrees C)

Shore A Hardness Range	[15 to 40] [____]

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

Acrylic Emulsion Latex (Type C): ASTM C834, single component; [________] color [as selected]; [________] manufactured by [____________].

Acrylic Sealant (Type D): [ASTM C920, Grade [____], Class [____], Use [____];] single component, solvent curing, non-staining, non-bleeding, non-sagging; [_____] color [as selected]:

Elongation Capability	[7.5 to 12] [____] percent

Service Temperature Range	[-13 to 180] [____] degrees F ([-25 to 82] [____] degrees C)

Shore A Hardness Range	[25 to 50] [____]

Butyl Sealant (Type E): [ASTM C920, Grade [____], Class [____], Use [____];] single component, solvent release, non-skinning, non-sagging, black color; [________] manufactured by [____________].

Elongation Capability	[7 to 10] [____] percent

Service Temperature Range	[-13 to 180] [____] degrees F ([-25 to 82] [____] degrees C)

Shore A Hardness Range	[10 to 30] [____]

Polysulfide Sealant (Type F): [ASTM C920, Grade [____], Class [____], Use [____];] two component, chemical curing, non-staining, non-bleeding, capable of continuous water immersion, [non-sagging] [self-levelling] type; [________] color [as selected]; [________] manufactured by [____________].

Elongation Capability	[25] [____] percent

Service Temperature Range	[-40 to 180] [____] degrees F ([-40 to 82] [____] degrees C)

Shore A Hardness Range	[20 to 35] [____]

Polyurethane Sealant (Type G): [ASTM C920, Grade [____], Class [____], Use [____];] single component, chemical curing, non-staining, non-bleeding, [capable of continuous water immersion,] [non-sagging] [self-leveling] type; [________] color [as selected]; [________] manufactured by [____________].

Elongation Capability	[25] [____] percent

Service Temperature Range	[-40 to 180] [____] degrees F ([-40 to 82] [____] degrees C)

Shore A Hardness Range	[20 to 35] [____]

Polyurethane Sealant (Type H): [ASTM C920, Grade [____], Class [____], Use [____];] multi-component, chemical curing, non-staining, non-bleeding, capable of continuous water immersion, [non-sagging] [self-levelling] type; [________] color [as selected]; [________] manufactured by [____________].

Elongation Capability	[25] [____] percent

Service Temperature Range	[-40 to 180] [____] degrees F ([-40 to 82] [____] degrees C)

Shore A Hardness Range	[20 to 35] [____]

Silicone Sealant (Type I): [ASTM C920, Grade [____], Class [____], Use [____];] single component, solvent curing, non-sagging, non-staining, [fungus resistant,] non-bleeding; [________] color [as selected]; [________] manufactured by [____________].

Elongation Capability	[25] [____] percent

Service Temperature Range	[-65 to 180] [____] degrees F ([-54 to 82] [____] degrees C)

Shore A Hardness Range	[15 to 35] [____]

Silicone Sealant (Type J): [ASTM C920, Grade [____], Class [____], Use [____];] single component, [fungus resistant,] chemical curing, non-sagging, non-staining, non-bleeding; [________] color [as selected]; [________] manufactured by [____________].

Elongation Capability	[25] [____] percent

Service Temperature Range	[-65 to 180] [____] degrees F ([-54 to 82] [____] degrees C)

Shore A Hardness Range	[15 to 25] [____]

Silicone Sealant (Type K): [ASTM C920, Grade [____], Class [____], Use [____];] single component, [fungus resistant,] acidic curing, non-sagging, non-staining, non-bleeding; [________] color [as selected]; [________] manufactured by [____________].

Elongation Capability	[25] [____] percent

Service Temperature Range	[-65 to 180] [____] degrees F ([-54 to 82] [____] degrees C)

Shore A Hardness Range	[15 to 25] [____]

ACCESSORIES

Primer: Non-staining type, [recommended by sealant manufacturer] to suit application.

Joint Cleaner: Non-corrosive and non-staining type, recommended by sealant manufacturer; compatible with joint forming materials.

Joint Backing: ASTM [D1056] [D1565]; round, [closed] [open] cell [polyethylene] [________] foam rod; oversized [30] [____] to [50] [____] percent larger than joint width; [________] manufactured by [____________].

Bond Breaker: Pressure sensitive tape recommended by sealant manufacturer to suit application.

PART	EXECUTION

EXAMINATION

Verify that [substrate surfaces] [and] [joint openings] are ready to receive work.

Verify that joint backing and release tapes are compatible with sealant.

PREPARATION

Remove loose materials and foreign matter which might impair adhesion of sealant.

Clean [and prime] joints in accordance with manufacturer's instructions.

Perform preparation in accordance with [ASTM C804 for solvent release] [and] [ASTM C790 for latex base] sealants.

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

Perform preparation in accordance with manufacturer's instructions.

Protect elements surrounding the work of this section from damage or disfiguration.

INSTALLATION

Perform installation in accordance with [ASTM C804 for solvent release] [and] [ASTM C790 for latex base] sealants.

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

Install sealant in accordance with manufacturer's instructions.

Measure joint dimensions and size materials to achieve [required] [[2:1] [____]] width/depth ratios.

Install joint backing to achieve a neck dimension no greater than [1/3] [____] of the joint width.

Install bond breaker where joint backing is not used.

Install sealant free of air pockets, foreign embedded matter, ridges, and sags.

Apply sealant within recommended application temperature ranges. Consult manufacturer when sealant cannot be applied within these temperature ranges.

Tool joints [concave.] [channel shaped.] [as detailed.] [________.]

CLEANING

Clean work under provisions of [01700.] [________.]

Clean adjacent soiled surfaces.

PROTECTION OF FINISHED WORK

Protect finished installation under provisions of Section [01500.] [________.]

Protect sealants until cured.

SCHEDULE

Location	Type	Color

Window perimeter	G	Dark Brown

Metal Siding	F	To match siding

Door Frame/Walls	C	Grey

Under Thresholds	E	Black

Bathtub/Ceramic	I	White

Tile

Paving Joints	B	Black

END OF SECTION