knife logo formerly called dicks armstrong pontius type subsidiary industry repair and construction products founded 1957 headquarters baltimore maryland usa area served worldwide parent rpm website www.dap.com dap products inc. is a manufacturer of latex caulks silicone sealants adhesives insulating foams and patch & repair products . dap has been made in the usa since 1864 and headquartered in baltimore md since 1998 . dap products inc. is an operating company of rpm international . 1 rpm international inc. a holding company manufactures coatings sealants and specialty chemicals . history edit dap traces its roots back to 1865 when robert h. dicks and elmer wiggim began producing sealing wax for food canning out of dicks garage in dayton ohio . in those days before refrigeration and commercially prepared foods canning was a general practice . in 1906 dicks bought out wiggim and joined with george pontius incorporating their partnership in 1913 as the dicks pontius company . when robert dicks died his son john entered the business and expanded it to include putty and caulk manufacturing in bulk form . in the 1940s and 1950s the dicks pontius company began selling caulks and sealants in disposable cartridges . through the 1950s the company grew through several acquisitions including a merger with the chicago based armstrong company in 1957 . the resulting entity was renamed dicks armstrong pontius which was eventually shortened to the brand name dap . 2 dap was the first to the market with the introduction of latex caulk in 1964 and since then the company has introduced numerous other caulks sealants insulating foams and other general patch and repair products . they followed with acrylic latex technology in 1970 and silicone sealants in the mid 1980s . in the 1990s the plastic wood brand was intregrated into the dap portfolio of products and between 2004 and 2006 dap acquired both phenoseal and custom building products ready mix repair products . today dap has three manufacturing plants and four distribution facilities in the united states canada and mexico serving north america and the world . dap s products can be found for sale in more than 60 000 retail stores throughout north and latin america . 3 external links edit official website references edit rpm international . rpm international homepage . rpm international . retrieved 28 october 2015 . about dap . dap company website . dap products inc. retrieved 28 october 2015 . petersen chris . dap products inc. . manufacturing today . manufacturing today . retrieved 28 october 2015 . retrieved from https en.wikipedia.org w index.php title dap products & oldid 743342227 categories tool manufacturing companies of the united statesbaltimorecompanies established in 1865companies based in baltimore navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages add links this page was last modified on 9 october 2016 at 05 39 . text is available under the creative commons attribution sharealike license ; additional terms may apply . by using this site you agree to the terms of use and privacy policy . wikipedia is a registered trademark of the wikimedia foundation inc. a non profit organization . privacy policy about wikipedia disclaimers contact wikipedia developers cookie statement mobile view