WPC4  
      2      B       P   Z             Courier 10cpi  #| x              A~x 6X   @ 8 X@Canon BJ-200ex (LQ mode)             CB20LQMO.PRS x 
   @   ,hX@Courier 10cpi  2     V   @   Z          F   `    ? x x x h    Aox 6X   @ 8 X@Canon BJ-200ex (LQ mode)             CB20LQMO.PRS x 
   @   ,h  @#| x           2         2                                   8    X`	hp x (#%'0*,.8135@8:<H?A                      `	@  `@  !#%`'                       I. A. 1. a.(1)(a) i) a)                 1 .1  A. 1. a) 1. 1                                                                           (% SECTION 07900

(% JOINT SEALERS

   ?   PART                  1  `	`	 GENERALƠ#`	

   ?  1.01 SECTION INCLUDES

   ? @                    A.   Preparing substrate surfaces.Ơ#

   ?                    B.   Sealant and joint backing.Ơ#

1.02  RELATED SECTIONS

   ? 
    A.  Section 08920:  Sealants required in conjunction with glazedaluminum curtain wall.Ơ#

   ? H 1.03 REFERENCES

   ?     A.  ASTM C790 - Use of Latex Sealing Compounds.Ơ#

   ? h    B.  ASTM C804 - Use of Solvent-Release Type Sealants.Ơ#

   ?                    C.   ASTM C920 - Elastomeric Joint Sealants.Ơ#

   ?     D.  ASTM D1056 - Flexible Cellular Materials - Sponge or ExpandedRubber.Ơ#

   ?     E.  ASTM D1565 - Flexible Cellular Materials - Vinyl ChloridePolymers and Copolymers (Open-Cell Foam).Ơ#

   ? 8    F.  SWRI (Sealant, Waterproofing and Restoration Institute) -Sealant and Caulking Guide Specification.Ơ#

   ?  1.04  SUBMITTALS

   ?      A.  Submit under provisions of Section 01300.Ơ#

   ?     B.  Product Data:  Provide data indicating sealant chemicalcharacteristics, performance criteria, substrate preparation,limitations, and color availability. Ơ#

   ?      C.  Samples:  Submit two samples, in size illustrating sealantcolors for selection.Ơ#

   ? (#                   D.   Manufacturer's Installation Instructions:  Indicate specialprocedures, surface preparation, perimeter conditionsrequiring special attention.Ơ#





   h)         0*0*0*  ԌSection 07900  Page 2

1.05  QUALITY ASSURANCE

   ?        1 .1  A. 1. a) 1. 1                   1 .1  A. 1. a) 1. 1                                                                                      A.   Perform work in accordance with sealant manufacturer'srequirements for preparation of surfaces and materialinstallation instructions.Ơ#

   ? @    B.  Maintain one copy of each document on site.Ơ#

   ?  1.06 QUALIFICATIONS

   ? `	    A.  Manufacturer:  Company specializing in manufacturing theProducts specified in this section with minimum five yearsdocumented experience.Ơ#

   ?                   B.   Applicator:  Company specializing in performing the work ofthis section with minimum five years documented experience,and approved by manufacturer.Ơ#

   ?  1.07 MOCKUP

   ? 0    A.  Provide mockup on windows at 1st and 2nd level to includesealant joints in conjunction with window wall system.Ơ#

   ?     B.  Construct mockup with specified sealant types and with othercomponents noted.Ơ#

   ?     C.  Mockup may remain as part of the Work.Ơ#

   ? p 1.08 ENVIRONMENTAL REQUIREMENTS

   ?      A.  Maintain work under temperature and humidity recommended bythe sealant manufacturer during and after installation.Ơ#

   ? X 1.09 COORDINATION

   ?     A.  Coordinate work under provisions of Section 01039.Ơ#

   ? x    B.  Coordinate the work with all sections referencing thissection.Ơ#

1.10  WARRANTY

   ? `"    A.  Provide one year warranty for work of this contract withoption for renewal, price to be provided prior to contractcompletion under provisions of Section 01700.Ơ#

   ? %    B.  Warranty:  Include coverage for installed sealants andaccessories which fail to achieve water tight seal, andexhibit loss of adhesion or cohesion, or do not cure.Ơ#


   h)         0*0*0*  ԌSection 07900  Page 3

   ?  PART               2  `	`	 PRODUCTSƠ#`	

   ?   2.01 SEALANTS

   ?                     A.   Silicone Sealant (Type I):  single component, solvent curing,non-sagging, non-staining, fungus resistant, non-bleeding;silver color.Ơ#
 
   ?                      1.  `	`	 Elongation Capability ,  0 25 percentƠ#`	
   ?                     2.  `	`	 Service Temperature Range  0 -65 to 180 degrees F Ơ#
   ? `	   3.`	`	 Shore A Hardness Range ,  0 15 to 35

   ? 
 2.02 ACCESSORIES

   ?     A.  Primer:  Non-staining type, recommended by sealantmanufacturer to suit application.Ơ#

   ?                   B.   Cleaner:  Non-corrosive and non-staining type, recommended bysealant manufacturer; compatible with materials ofconstruction.Ơ#

PART                3   EXECUTION

3.01  EXAMINATION

   ?                     A.   Verify that substrate surfaces are ready to receive work.Ơ#

   ?  3.02 PREPARATION

   ? 8    A.  Remove loose materials and foreign matter which might impairadhesion of sealant.Ơ#

   ?                    B.   Clean and prime joints in accordance with manufacturer'sinstructions.Ơ#

   ?  3.03 INSTALLATION

   ? x      1 .1  A. 1. a) 1. 1                   1 .1  A. 1. a) 1. 1                                                                                    A.   Install sealant in accordance with manufacturer'sinstructions.Ơ#

   ?                    B.   Install sealant free of air pockets, foreign embedded matter,ridges, and sags.Ơ#

   ? (#                  C.   Apply sealant within recommended application temperatureranges.  Consult manufacturer when sealant cannot be appliedwithin these temperature ranges.Ơ#

 D.  Do not apply sealant to weep holes.



   h)         0*0*0*  ԌSection 07900  Page 4

   ?  3.04 CLEANING

   ?      A.  Clean work under provisions of 01700. Windows shall all becleaned, exterior and interior, at project completion. Cleaning shall incorporate methods which remove residue fromconstruction materials of project, and shall include normalwindow cleaning procedures of a company that provides thisservice on a regular basis.Ơ#
   ?      Ơ#
   ?   B.  Clean adjacent soiled surfaces.Ơ#

   ? (
 3.05 PROTECTION OF FINISHED WORK

   ?     A.  Protect finished installation of work previously completed. Ơ#

   ? H    B.  Protect sealants until cured.Ơ#


($ END OF SECTION
