{"product_id":"28-in-x-3-7-8-in-metal-door-frame-head-mdh28378","title":"28 in. x 3-7\/8 in. Metal Door Frame Head","description":"\u003cp\u003eThe head is the horizontal top member of a hollow metal door frame, spanning between the two jambs above the door opening. It carries the strike-side and hinge-side jambs into alignment, closes off the top of the rough opening, and gives the door its stop line across the head.\u003c\/p\u003e\n\u003cp\u003eSteel frame heads of this type are formed with the same profile as the matching jambs - face, throat and integral stop - so the assembled frame reads as one continuous section once the corners are joined. Knock-down frames are shipped as separate head and jamb pieces and put together in the opening, which makes a replacement head useful when an existing frame is damaged or when a frame is being built up on site.\u003c\/p\u003e\n\u003cp\u003eThe throat dimension is the critical fit measurement: it has to match the finished thickness of the wall the frame is set into, and it has to match the jambs it is joined to.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHorizontal head member for a hollow metal door frame\u003c\/li\u003e\n\u003cli\u003eFormed steel section with integral door stop across the head\u003c\/li\u003e\n\u003cli\u003eThroat depth sized to seat over the finished wall thickness\u003c\/li\u003e\n\u003cli\u003eMitred or butted corner connection to matching frame jambs\u003c\/li\u003e\n\u003cli\u003eSuits knock-down frame assembly and field repair of existing frames\u003c\/li\u003e\n\u003cli\u003eTakes paint once primed, matching the balance of the frame\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAssembling knock-down hollow metal door frames in stud or masonry openings\u003c\/li\u003e\n\u003cli\u003eReplacing a damaged head on an existing steel door frame\u003c\/li\u003e\n\u003cli\u003eCommercial corridor, stair and utility room door openings\u003c\/li\u003e\n\u003cli\u003eBasement, boiler room and service door openings\u003c\/li\u003e\n\u003cli\u003eMulti-family building entry and closet openings where steel frames are specified\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Metal door frame head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Formed steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame Component:\u003c\/strong\u003e Head (horizontal top member)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAssembly:\u003c\/strong\u003e Joins to matching frame jambs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSold As:\u003c\/strong\u003e Each\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable class=\"product-specs\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e28\" x 3-7\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"ARCH Building Supply","offers":[{"title":"Default Title","offer_id":55112702427475,"sku":"MDH28378","price":30.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1012\/7743\/4195\/files\/28-in-x-3-7-8-in-metal-door-frame-head-mdh28378.webp?v=1790734574","url":"https:\/\/arch-9365.myshopify.com\/zh\/products\/28-in-x-3-7-8-in-metal-door-frame-head-mdh28378","provider":"ARCH","version":"1.0","type":"link"}