{"product_id":"omg-roofing-products-omg-purlin-fasteners-drill-point-screws-for-standing-seam-retrofit-3","title":"OMG Roofing Products OMG Purlin Fasteners, Drill-Point Screws for Standing Seam Retrofit, 3.75 in. to 5.75 in.","description":"\u003ch1\u003eOMG Roofing Products OMG Purlin Fasteners, Drill-Point Screws for Standing Seam Retrofit, 3.75 in. to 5.75 in.\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eOMG Purlin Fasteners attach single-ply membrane systems to structural steel purlins (12-18 gauge) in standing seam metal roof retrofit applications. Available in 3.75 in., 4.75 in. and 5.75 in. lengths, sold 500 per box in mill finish. The 3\/4 in. drill point bores through up to 12-gauge steel before the threads engage.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Features:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRetrofit securement:\u003c\/strong\u003e Designed for attaching single-ply membrane systems over standing seam metal roof retrofits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast drilling:\u003c\/strong\u003e Drills through up to 12-gauge steel in seconds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3\/4 in. drill point:\u003c\/strong\u003e The 3\/4 in. drill point lets the fastener bore through the purlin before threads engage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMembrane-safe head:\u003c\/strong\u003e Low profile hex head has a smooth surface to help prevent damage to the membrane.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide purlin range:\u003c\/strong\u003e Made for structural steel purlins from 12 to 18 gauge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoxed 500:\u003c\/strong\u003e Each length is sold in a box of 500 fasteners.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eSpecifications Table:\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOMG Roofing Products\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSell unit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 box of 500 fasteners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct line\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePurlin Fasteners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable colors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e['Mill']\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable sizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e['3.75 in., 500\/box', '4.75 in., 500\/box', '5.75 in., 500\/box']\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSteel (self-drilling fastener)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFinish \/ texture\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMill\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.75 in., 4.75 in. or 5.75 in. lengths\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHead type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLow profile hex head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDrill point\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3\/4 in. drill point\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePurlin compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStructural steel purlins, 12-18 gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSingle-ply membrane attachment to purlins in standing seam metal roof retrofits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch2\u003eCoverage \u0026amp; How Much You Need:\u003c\/h2\u003e\u003cp\u003eEach box of 500 fasteners supports the fastening density specified in the membrane system's uplift design. Choose length so the fastener penetrates the purlin a minimum of 1 in., including the standing seam and membrane assembly above it.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003eFor single-ply membrane systems in standing seam metal roof retrofit applications, driven into structural steel purlins. Membrane, plates and insulation are sold separately; use a screw gun limited to 1800 RPM.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFrequently Asked Questions (FAQ):\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: What lengths are available?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e 3.75 in., 4.75 in. and 5.75 in., each sold 500 per box.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: What purlins do they work in?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Structural steel purlins from 12 to 18 gauge in standing seam retrofit roofs.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How deep must the fastener go?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It must penetrate the purlin a minimum of 1 in., ensuring at least 1\/4 in. of thread penetration into the structural member.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: What tool should I use?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Drive with a screw gun set to a maximum of 1800 RPM until a slight depression appears around the plate.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Will the head damage the membrane?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The low profile hex head has a smooth surface designed to prevent damage to the membrane.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003eVerify purlin gauge and total stack height before selecting length; the fastener must clear the standing seam and membrane yet not protrude excessively beyond the 1 in. minimum penetration. Keep the screw gun under 1800 RPM to protect the drill point, and drive to a slight plate depression rather than crushing the assembly. Match fastener spacing and density to the membrane system's approved uplift design.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eWear safety glasses when driving self-drilling fasteners, as chips and fastener kick-back are common hazards.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eOrder OMG Purlin Fasteners in 3.75 in., 4.75 in. or 5.75 in. for secure standing seam retrofit membrane attachment.\u003c\/strong\u003e\u003c\/p\u003e","brand":"OMG Roofing Products","offers":[{"title":"3.75\" 500\/Box","offer_id":67804682551510,"sku":"OLYF334P","price":315.0,"currency_code":"USD","in_stock":false},{"title":"4.75\" 500\/Box","offer_id":67804682584278,"sku":"OMGPUR434","price":475.25,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/5244\/2838\/files\/OLYF334P_0.jpg?v=1793124954","url":"https:\/\/buildsupplyus.myshopify.com\/products\/omg-roofing-products-omg-purlin-fasteners-drill-point-screws-for-standing-seam-retrofit-3","provider":"Buildsupply","version":"1.0","type":"link"}