b'Update ::einThe last two meetings of ASTM CommitteeASTMwith- StandardFeltJ D225Specification - DOB on Roofing, Waterproofing and Bitumi for Asphalt Shingles (OrganicManunous Materials were held on June 19-22, 1995,SurfacedMineral Granules: Denver. and on December 3-6,1995 in Nor facturers would like to again lower the weight folk, Va. The next meeting of DOB will be heldof the mats that will cause problems. There will UIon June 16-19. 1996 in Orlando. Fla. Also. thebe much discussion on this in future meetings. last two meetings ofon Per ASTM D3462 - Standard SpecificaCommittee EO6 Cformance of Buildings were also held in Denvertion for Asphalt Shingles Made from on March 13-15, 1995 and in Norfolk on Octo Glass Felt and Surfaced with Mineral ber 9-11 . 1995. EO6 will meet again in OrlandoGranules:Test studies are being reviewed on March 17-20. 1996.for inclusion of tensile strength, flex tensile As stated in my previous ASTM Update instrength. elongation and pliability requirements the Midwest Roofer, attendance and time con for inclusion in D3462. Controversy continues sumed by the roofing contractors mainly in between the manufacturers and contractors on volves Committees DOB and EO6 because ofthe minimum physical property value to be the standards and test methods involved thatused for the tear strength tests in the docuare ofto the roofing contractors. How ment. concern ever, voting on standards circulated by Com LaminatedShinglesEfforts Asphalt-mittee C16 on Thermal Insulation and Commit continue to include organic laminated asphalt tee EO5 on Fire Standards are carefullyshingles in D225 and include fiberglass lamimonitored and voted upon when and where itnated asphalt shingles in D3462. However, BYBoeLACOSSE,CAEaffects the roofing industry.progress is slow, because of how the tear As with mostcommittees, progress isstrength test should be used to test these ASTM slow, and Committees DO8 and EO6 are notypes of shingles (single, double or multiple layexception, in finalizing standards and test pro ers). cedures. This is mainly due to the positionsShingle UnderlaymentReviewing case -taken by contractors, manufacturers and allstudies on shingle underlayment in steep slope groups involved in developing and finalizotherconstruction as is pertains to the wrinkling ing the documents that are satisfactory to allproblems before and after the shingles are apconcerned.plied. There is concern, in particular by the conWith regard to Committee DOB, the follow tractors, on the quality and weight of the uning are some oflatest activities of the com derlayments in the future. Other areas involving the mittee that are of concern to the roofing con shingles and steep roof applications include tractors:work on tab uplift and fastener pull-out tests. D3617 ASTM- Standard Practice for Sampling andofBuiltAnalysisNew Up Roof:Extensive revisions Membranes finalized for balloting priornext meeting. to on Proposed New StandardGuide for Evaluation ofRoofing -Built-Up Considerable differences of opinion on the contents of this new document, in particular the areas of inspection criteria and recommended corrective action. The roofing contractors and some ofconsultants are on oppothe site sides on much ofof the contentsthe document. Other items where much time is consumed Cto name a few): CONTINUED ON BACK PAGE MR March 965'