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Show Research Project Of Roofing Bureau Praised for Work A research fellowship scon-ored scon-ored by the Asphalt Roofing In- , ilustry Bureau at the National JjTOureau of Standards has made notable contributions" to an ra-lustry ra-lustry that supplies 34 p.:-( j .: .11 the roofing sold m t..e . -itates, the De;:a:'n . pi.nerce notes in' its . U,et, "Construe: , .. ion MalpriftU." lift The Dep. : ,.; --- owsnip is oi'it j ored by md - .. f StandarJ.;. Vi-.'-ellowship w c. .. . , 1926. One of the main riw re; p. cts has been concern ej wi..i a.i ihalt roofing felts. Felt is the ase for asphalt saturants and oatings and for the mineral ranules which are bonded to the urface of fire-resistant asphalt hingles. The Asphalt Roofing Industry Qi-ureau includes most asphalt roof-'Vl'ig roof-'Vl'ig manufacturers in the United tates. Principal products are as-halt as-halt shingles, asphalt roll roof-lgs roof-lgs and asphalt-saturated felts r fabrication of built-up roofj .Q flat-topped buddings. |