1、Designation: E2485 06E2485/E2485M 13Standard Test Method forFreeze/Thaw Resistance of Exterior Insulation and FinishSystems (EIFS) and Water Resistive Barrier Coatings1This standard is issued under the fixed designation E2485;E2485/E2485M; the number immediately following the designation indicatesth
2、e year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of lastreapproval. A superscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This test method covers procedures for determinin
3、g the effect of freezing and thawing of exterior insulation and finishsystems (EIFS), an EIFS with water-resistive barrier coatings, and water-resistive barrier coatings by itself.1.2 The values stated in either SI units or inch-pound units are to be regarded separately as the standard. The values g
4、iven inparentheses are for information purposes only.stated in each system may not be exact equivalents; therefore, each system shall beused independently of the other. Combining values from the two systems may result in non-conformance with the standard.1.3 This standard does not purport to address
5、 all of the safety concerns, if any, associated with its use. It is the responsibilityof the user of this standard to establish appropriate safety and health practices and to determine the applicability of regulatorylimitations prior to use.2. Referenced Documents2.1 ASTM Standards:2E631 Terminology
6、 of Building ConstructionsE2110 Terminology for Exterior Insulation and Finish Systems (EIFS)3. Terminology3.1 For definitions and terms relating to this standard, see Terminologiesgeneral terminology regarding EIFS and building ingeneral, see Terminology E2110 (for EIFS terms) and Terminology E631
7、and(for E2110.buildings in general).4. Summary of Test Method4.1 Specimens are subjected to cycles of freezing and thawing. Surface changes, viewed at 5 magnification, are examined forsigns of deleterious effects, such as cracking, crazing, checking, blistering, peeling, delamination, or erosion.5.
8、Significance and Use5.1 Resistance to freezing and thawing is a factor when determining the durability of EIFS, an EIFS with water-resistive barriercoatings, and water-resistive barrier coatings by itself.6. Apparatus6.1 Compressor, Freezing Chamber, and CirculatorOf such design and capacity that th
9、e temperature of the air in the freezingchamber shall not exceed 9C (16F) one hour16F 1 h after introducing the maximum charge of units. The initial temperaturewill not exceed 32C (90F).90F.6.2 Trays and ContainersWill be shallow, metal, and have an inside depth of 38.1 6 12.7 mm (1 112 6 12 in.)in.
10、 and beof suitable strength and size so that the tray with a charge of frozen units can be removed from the freezing chamber by one person.6.3 Thawing TankShould permit complete submersion of the specimens in their trays. Adequate means shall be provided sothat the water in the tank may be kept at a
11、 temperature of 24 6 5.5 C (75 6 10F).5.5C 75 6 10F.1 This test method is under the jurisdiction of ASTM Committee E06 on Performance of Buildings and is the direct responsibility of Subcommittee E06.58 on ExteriorInsulation and Finish Systems (EIFS).Current edition approved April 1, 2006Sept. 1, 20
12、13. Published April 2006September 2013. Originally approved in 2006. Last previous edition approved in 2006 as E2485 06. DOI: 10.1520/E2485-06.10.1520/E2485_E2485M-13.2 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual B
13、ook of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be tech
14、nically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.Copyright ASTM International, 100 Barr Harbor Drive, PO
15、Box C700, West Conshohocken, PA 19428-2959. United States16.4 Drying RoomMaintained at a temperature of 24 6 8C (75 615F), 75 6 15F, with a relative humidity between 30and 70 percent. 70 %. The drying room should be free from drafts.7. Test Specimens7.1 Water-Resistive Barrier Coatings7.1.1 Prepare
16、a minimum of five test specimens measuring a minimum of 150 mm2 (6 6 in.2) for each substrate that will beevaluated.7.1.2 For sheathing substrates, two sheathing sections shall be assembled with a 3.2-mm (18-in.)-in. joint. The joint shall betreated as it would in its end-use configuration.7.1.3 App
17、ly the water-resistive barrier coating over the substrate surface in accordance with the manufacturers instructions. Thespecimen shall be representative of those used in actual construction. Allow the water-resistive barrier coating to dry a minimumof 24 hours.h.7.1.4 The back and sides of the test
18、specimens shall be sealed with an impervious material that need not be the coating.7.2 EIFS Testing7.2.1 Prepare a minimum of five test specimens measuring a minimum of 150 mm2 (6 6 in.2) and consisting of the followingmaterials:7.2.1.1 Substrate,7.2.1.2 Water-resistive barrier coating (if applicabl
19、e),7.2.1.3 Insulation board,7.2.1.4 Reinforcing mesh, and7.2.1.5 Finish.7.2.2 If a water-resistive barrier coating is included as part of the EIFS System, apply the water-resistive barrier coating overthe substrate surface in accordance with the manufacturers instructions. The specimen shall be repr
20、esentative of those used inactual construction.7.2.3 Secure the insulation board to the substrate or water-resistive barrier coating (where applicable). Apply the base coat andreinforcing mesh to the surface of the insulation board including the edges. Allow the base coat to cure a minimum of 24 hou
21、rs.h.7.2.4 The back and sides of the test specimens shall be sealed with an impervious material that need not be the water-resistivebarrier coating.8. Conditioning8.1 Allow the test specimens to cure a minimum of 28 days at room temperature of 22 6 3C (7272 6 5F)5F and 50 65 % relative humidity.9. P
22、rocedureNOTE 1There are two test methods, A and B, that have different cycle times and durations. The manufacturer should specify which test(s) to run.9.1 Method A (60 Cycles)Cycles):9.1.1 Visually observe the test specimens for cracks or damage. Discard any damaged samples and replace them with sam
23、plesprepared and cured in accordance with Sections 7 and 8.9.1.2 Submerge the test specimens (finished side down) in the water of the thawing tank. Water temperature shall be 24 6 5.5C(7575 6 10F).10F.9.1.3 Place a restraining bar across the test specimens to ensure the samples remain at a depth of
24、5 mm (0.20 in).0.20 in.9.1.4 Remove the test specimens from the thawing tank and stand them in the freezing trays. A space of at least 12.7 mm (12in.)in. shall separate the test specimens as placed in the trays. Place the trays and their contents in the freezing chamber for 206 1 hours.h.9.1.5 Remov
25、e the trays from the freezing chamber after 20 6 1 hoursh and submerge the test specimens in the water-thawingtank as shown in 9.1.2 and 9.1.3 for 4 6 12 hours. h.9.1.6 Freeze the test specimens using the procedure described in 9.1.4 for one cycle each day of the normal work week.Following the 4 6 1
26、2 hour-thawingh-thawing after the last freeze-thaw cycle, remove the test specimens from the trays and storethem for 44 6 1 hoursh in the drying room. Do not stack or pile units. Provide a space of at least 25.4 mm (1 in.)1 in. betweenall test specimens. Following this period of air drying, inspect
27、the specimens, submerge them in the thawing tank for 4 6 12hours,h, and again subject them to a normal week of freezing and thawing cycles in accordance with 9.1.2 and 9.1.5.NOTE 2If a laboratory has personnel available for testing 7 days a week, the requirement for storing the test specimens for 44
28、61 hoursh in the dryingroom following the 4 6 12 hour-thawingh-thawing after the last freezing cycle of the week may be waived. The test specimens may then be subjectedto this method of freezing and thawing for 60 consecutive days.9.1.7 Continue to subject the test specimens to Method A (60 cycles)
29、of freezing and thawing.9.1.8 After completion of Method A, examine the test specimens for deleterious effects. If deleterious effects occur prior to thecompletion of Method A, stop the test and record the number of cycles completed.9.2 Method B (10 Cycles)Cycles):E2485/E2485M 1329.2.1 Visually obse
30、rve the test specimens for cracks or damage. Discard any damaged samples and replace them with samplesprepared and cured in accordance with Sections 7 and 8.9.2.2 Air dry the test specimens at a temperature of 49C (120F)120F for a minimum of 8 hours.h.9.2.3 Submerge the test specimens (finished side
31、 down) in the thawing tank. Water temperature shall be 24 6 5.5C (7575 610F).10F.9.2.4 Place a restraining bar across the test specimens to ensure the samples remain a depth of 5 mm (0.20 in.).0.20 in.9.2.5 Remove the test specimens from the thawing tank and stand them in the freezing trays. A space
32、 of at least 12.7 mm (12in.)in. shall separate the test specimens as placed in the trays. Place the trays and their contents in the freezing chamber for 16h. Temperature of the freezer shall be maintained at 28.9C (20F).20F.9.2.6 Continue to subject the test specimens to Method B. If deleterious eff
33、ects occur prior the completion of Method B, stopthe test and record the number of cycles completed.9.2.7 After completion of Method B, view the test specimens for surface changes, under 5 magnification, for deleterious effectssuch as cracking, checking, crazing, erosion, and so forth.10. Calculatio
34、n or Interpretation of Results10.1 Deleterious effects are defined as surface changes, as viewed by a minimum 5 magnification, such as checking, cracking,crazing, erosion, or other characteristics that may effect performance as a wall cladding. May also include delamination, orindications of delamin
35、ation between components.11. Report11.1 Date of test and date of report.11.2 Identification of the test specimen by manufacturers brand or trade name and its components.11.3 Details of the test assembly, including a description of components, mixing and application, and thickness of components.11.4
36、The number of freeze-thaw cycles to which the test specimens were subjected.11.5 The presence or absence of deleterious effects.11.6 The nature of deleterious effects.11.7 A statement that the tests were conducted in accordance with this test method, or a complete description of any deviationsfrom t
37、his test method.11.8 Photographs of a control sample versus the tested samples.12. Precision and Bias12.1 No statement is being made about either the precision or bias of this test method for measuring freeze-thaw resistancebecause the result merely states whether there are deleterious effects.13. K
38、eywords13.1 EIFS; exterior insulation and finish systems; freeze/thaw resistance; water resistive barrier coatingsASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly adv
39、ised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either
40、 reapproved or withdrawn.Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If
41、 you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individ
42、ual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the ASTM website (www.astm.org/COPYRIGHT/).E2485/E2485M 133
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