1、A220 Series-06(reaffirmed 2012)Concrete roof tilesLegalNoticeforStandardsCanadian Standards Association (CSA) standards are developed through a consensus standards development process approved by theStandards Council of Canada. This process brings together volunteers representing varied viewpoints a
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15、y be distributed only to persons who are authorized by CSA to have suchcopies, and only if this Legal Notice appears on each such copy.In addition, users may not and may not permit others to.alter this document in any way or remove this Legal Notice from the attached standard;.sell this document wit
16、hout authorization from CSA; or.make an electronic copy of this document.If you do not agree with any of the terms and conditions contained in this Legal Notice, you may not load or use this document ormake any copies of the contents hereof, and if you do make such copies, you are required to destro
17、y them immediately. Use of thisdocument constitutes your acceptance of the terms and conditions of this Legal Notice.Update No. 4CAN/CSA-A220 Series-06May 2010Note: General Instructions for CSA Standards are now called Updates. Please contact CSA Information Products Sales or visit www.ShopCSA.ca fo
18、r information about the CSA Standards Update Service.Title: Concrete roof tiles originally published December 2006Revisions issued: Update No. 1 February 2007 (applies only to the English Standard)Update No. 2 November 2007Update No. 3 August 2008If you are missing any updates, please contact CSA In
19、formation Products Sales or visit www.ShopCSA.ca.The following revisions have been formally approved and are marked by the symbol delta () in the margin on the attached replacement pages:Revised CAN/CSA-A220.1-06: Table 1New NoneDeleted CAN/CSA-A220.1-06: Clause 4.4.6.9CAN/CSA-A220 Series-06 origina
20、lly consisted of 71 pages (x preliminary and 61 text), each dated December 2006. It now consists of the following pages:December 2006 iiiviii, 316, 1924, 2730, 3350, and 5361February 2007 ix and xNovember 2007 Cover, National Standards of Canada text, title pages (i, 1, 2, 17, and 18), and copyright
21、 page (ii)August 2008 51 and 52May 2010 25, 26, 31, and 32Update your copy by inserting these revised pages.Keep the pages you remove for reference.Blank page Canadian Standards Association Installation of concrete roof tilesMay 2010Table 1Underlayment performance requirements(See Clauses 4.4.2.1.1,
22、 4.4.2.1.4, 4.4.2.1.5, 4.4.2.2, 4.4.5.2, 4.4.6.2, 4.4.6.4.2, 4.4.6.6.2, and 4.4.6.8.)(a) For use throughout CanadaOver solid sheathing Under spaced sheathingClauseEave and valleyprotectionRollunderlaymentRigidunderlaymentTestRigidity 4.4.6.2 N/A N/A 140 mmWater permeability 4.4.6.3 No dampnesspermit
23、tedNo drippingpermittedNo drippingpermittedTensile Machine directionCross direction4.4.6.44.4.6.43.5 kN/m3.5 kN/m3.5 kN/m3.5 kN/m12.0 kN/m5.0 kN/mPliability 4.4.6.5 No crackingor delaminationNo crackingor delaminationN/APuncture 4.4.6.6 0.34 J 0.34 J 0.34 JLong-term sag 4.4.6.7 N/A N/A 5%Linear dime
24、nsional changes 4.4.6.8 3% 3% N/A(b) For use in areas having 3500 degree days or less below 18 C*Under spaced sheathingTest ClauseEave and valleyprotectionRollunderlaymentRigidunderlaymentRigidity 4.4.6.2 N/A N/A 140 mmWater permeability 4.4.6.3 No dampnesspermittedNo drippingpermittedNo drippingper
25、mittedTensileMachine directionCross direction4.4.6.44.4.6.412.0 kN/m5.0 kN/m12.0 kN/m5.0 kN/m12.0 kN/m5.0 kN/mPliability 4.4.6.5 No crackingor delaminationNo crackingor delaminationN/APuncture 4.4.6.6 0.34 J 0.34 J 0.34 JLong-term sag 4.4.6.7 5% 5% 5%Linear dimensional changes 4.4.6.8 3% 3% N/A*As d
26、efined in the NBCC.Note: N/A = not applicable.25(Replaces p. 25, August 2008)A220.1-06 Canadian Standards AssociationMay 20104.4.4 Test reportThe description of sample characteristics in the test report shall include mass per unit area, nominal size, and details of core, facing, and production metho
27、ds.The test report shall identify each specimen tested, the machine and cross directions of the material, and the timing of each test. Periods of inactivity shall be documented.4.4.5 Conditioning4.4.5.1 GeneralConditioning of the samples of each material shall be carried out in accordance with Table
28、 2, using the procedures detailed in Clauses 4.4.5.2 and 4.4.5.3.4.4.5.2 Conditioning by ultraviolet exposureThe 450 1200 mm samples* shall be exposed to ultraviolet sun lamps for 10 0.2 h each day for 21 d (210 1 h) in an enclosure as shown in Figure 2. Ultraviolet light shall be directed at the su
29、rface that is to be exposed to sunlight in normal applications.The lamps and enclosure shall be adjusted so that the temperature of the sample is between 55 C and 60 C during conditioning.*The number of samples needed for ultraviolet conditioning is dependent on the material being tested and its app
30、lication, i.e., three samples are needed for roll roofing used unsupported under spaced sheathing, and two samples for other underlayments. See Tables 1 and 2.Table 2Test sequence and conditioning requirements for underlayment samples(See Clauses 4.4.5.1, 4.4.5.2, 4.4.6.3.1, 4.4.6.4.1, 4.4.6.5.1, 4.
31、4.6.6.1, and 4.4.6.7.1.)4.4.5.3 Accelerated aging4.4.5.3.1 One 450 1200 mm sample, previously conditioned with ultraviolet light as specified in Clause 4.4.5.2, shall be conditioned by accelerated aging. The aging procedure specified in Clause 4.4.5.3.2 shall be carried out 25 times for each sample.
32、 The sample shall be stored in the conditions specified in Clause 4.4.5.4 during periods of inactivity.Sample No. 1 No. 2 No. 3 No. 4ConditioningTest Clause NoneUltravioletlamp exposureIncandescentlamp exposureUltraviolet lampexposure andaccelerated agingRigidity 4.4.6.2 yes N/A N/A N/AWater permeab
33、ility 4.4.6.3 yes yes N/A yesTensile strength 4.4.6.4 yes yes N/A yesPliability 4.4.6.5 yes yes N/A yesPuncture 4.4.6.6 yes yes N/A yesLong-term sag 4.4.6.7 N/A N/A yes N/ANote: N/A = not applicable.(Replaces p. 26, August 2008)26 Canadian Standards Association Installation of concrete roof tilesMay
34、 20104.4.6.8 Linear dimensional changesTests for linear dimensional stability shall be conducted in accordance with ASTM D 1204 at 85 C 1 C for 24 h. All specimens shall have linear dimensional changes in accordance with Table 1.4.4.6.9 Deleted4.5 FlashingFlashing shall consist of not less than(a) 0
35、.33 mm galvanized steel;(b) 0.46 mm copper;(c) 0.46 mm zinc; or(d) 1.25 mm lead*.*Lead is included to allow increased workability.4.6 Battens4.6.1 Counter battensCounter battens shall not be smaller than 10 38 mm and shall be spruce/pine/fir (SPF) standard or better, or oriented strand board (OSB) m
36、eeting the requirements of CSA O437.0.4.6.2 Tile battens and spaced sheathingTile battens and spaced sheathing shall be 25 38 mm or 19 88 mm and shall be spruce/pine/fir (SPF) standard No. 4 or better, or a structural equivalent.5 General installation requirementsNote: See Annex B for a sample insta
37、llation guide.5.1 GeneralTiles shall be installed over solid or spaced sheathing that is adequate to support the loads involved.5.2 Tiling over solid sheathingWhere tiles are to be installed over solid sheathing,(a) abutment eave and valley protection shall be laid in accordance with Clause 6.2;(b)
38、underlayment shall be installed in accordance with Clauses 6.1 and 6.3;(c) counter battens shall be nailed through the sheathing into the roof trusses or rafters, in accordance with Clause 7;(d) battens, flashing, roofing accessories, and tiling shall be laid in accordance with Clauses 8, 9, 10, and
39、 11, respectively; and(e) bedding, caulking, and closures shall be in accordance with Clause 12.5.3 Tiling over spaced sheathing5.3.1 Tiles shall not be installed over spaced sheathing in areas with high snow loads as defined in Clause 6.2.1.2.31(Replaces p. 31, August 2008)A220.1-06 Canadian Standa
40、rds AssociationMay 20105.3.2 Where tiles are to be installed over spaced sheathing,(a) rigid and roll underlayment shall be installed in accordance with Clauses 6.4.1 and 6.4.2, respectively;(b) battens shall be laid as spaced sheathing and shall meet the requirements of Clauses 8.1 and 8.2;(c) shea
41、thing, spaced sheathing, or boards shall be installed in valleys, under all flashing not otherwise supported, at all protrusions, and as required by Clause 6.4.2.3;(d) abutment eave and valley protection shall be laid in accordance with Clause 6.2;(e) flashing, roofing accessories, and tiling shall
42、be laid in accordance with Clauses 8, 9.3, 10, and 11; and(f) bedding, caulking, adhesives, and closures shall be in accordance with Clause 12.6 Underlayment system6.1 General6.1.1 The underlayment, abutment, and eave and valley protection system shall(a) restrict the entry of water into the roofing
43、 space;(b) provide free drainage of moisture to and from the eave;(c) minimize the number of fasteners exposed to water by positioning the fasteners such that they are covered by successive layers of underlayment or battens; and(d) meet the requirements of Table 3.Note: Underlayment materials should
44、 be nominally fastened to maintain required positions before battens are installed.6.1.2 All damaged areas of the underlayment system shall be repaired before the installation of the tiles.Table 3Underlayment usage and sealing requirements(See Clause 6.1.1.)Sheathing/underlayment Normal snow loads H
45、igh snow loads*Roll underlayment over solid sheathinguse permittedsealing at all lapsYesNot requiredYesRequiredRoll underlayment under spaced sheathinguse permittedsealing at all lapsRestrictedNot requiredNoN/ARigid underlayment under spaced sheathinguse permittedsealing at all lapsYesNot requiredNo
46、N/A*Areas with high snow loads are defined in Clause 6.2.1.2.See Clause 6.4.2.2.Note: N/A = not applicable.(Replaces p. 32, August 2008)32Update No. 3CAN/CSA-A220 Series-06August 2008Note: General Instructions for CSA Standards are now called Updates. Please contact CSA Information Products Sales or
47、 visit www.ShopCSA.ca for information about the CSA Standards Update Service.Title: Concrete roof tiles originally published December 2006Revisions issued: Update No. 1 February 2007 (applies only to the English Standard)Update No. 2 November 2007If you are missing any updates, please contact CSA In
48、formation Products Sales or visit www.ShopCSA.ca.The following revisions have been formally approved and are marked by the symbol delta () in the margin on the attached replacement pages:CAN/CSA-A220 Series-06 originally consisted of 71 pages (x preliminary and 61 text), each dated December 2006. It
49、 now consists of the following pages:Update your copy by inserting these revised pages.Keep the pages you remove for reference.Revised CAN/CSA-A220.1-06: Clauses 4.4.6.8 and 4.4.6.9 and Tables 1, 5, and 6New NoneDeleted NoneDecember 2006 iiiviii, 316, 1924, 2730, 3350, and 5361February 2007 ix and xNovember 2007 Cover, National Standards of Canada text, title pages (i, 1, 2, 17, and 18), and copyright page (ii)August 2008 25, 26, 31, 32, 51, and 52Blank page Canadian Standards Association Instal
