{"id":3086,"date":"2020-10-01T13:23:41","date_gmt":"2020-10-01T13:23:41","guid":{"rendered":"https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/?p=3086"},"modified":"2020-10-01T23:04:41","modified_gmt":"2020-10-01T23:04:41","slug":"enclosures-and-the-corrugated-clamshell","status":"publish","type":"post","link":"https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/2020\/10\/enclosures-and-the-corrugated-clamshell","title":{"rendered":"Enclosures and the corrugated clamshell"},"content":{"rendered":"\n<div class=\"wp-block-image\"><figure class=\"alignleft size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_001-300x300.jpg\" alt=\"closed completed enclosure, gray 3mm corrugated board\" class=\"wp-image-3087\" srcset=\"https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_001-300x300.jpg 300w, https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_001-1024x1024.jpg 1024w, https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_001-150x150.jpg 150w, https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_001-768x769.jpg 768w, https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_001-624x625.jpg 624w, https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_001.jpg 1399w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><figcaption>Completed corrugated clamshell.<\/figcaption><\/figure><\/div>\n\n\n\n<p>Tuxedo boxes are fantastic, accessible enclosures. Sadly, they do have their limitations, as anything does. If you\u2019re working with a piece that is a larger or heavier (or both!), a piece that is a bit more delicate and in need of more protection, or a piece that isn\u2019t all in one piece, you may want to look at a corrugated clamshell.&nbsp;&nbsp;<\/p>\n\n\n\n<p>The corrugated clamshell is a slightly more complex, yet infinitely versatile addition to a good basic preservation enclosure arsenal.&nbsp;Developed&nbsp;by Andrea Krupp in 1988, it\u2019s great for pieces that are awaiting treatment but need stabilization in the meantime. It also works beautifully for boxing sets of items that don\u2019t quite merit the time commitment that a cloth-covered clamshell might. I have also found a corrugated clamshell to be perfect for things like experimental music scores (which may include cards, CDs, or any number of other unexpected items) that need to be shelf-ready in a hurry.&nbsp;&nbsp;<\/p>\n\n\n\n<p>So let&#8217;s make one.  The material list for this is actually surprisingly small:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>A cutting implement, such as a scalpel or X-acto or Olfa knife&nbsp;<\/li><li>At least one ruler. I generally use two &#8211; a meter rule for laying down lines, and a 12-inch rule for most cuts.&nbsp;<\/li><li>A bone folder. This should have at least one end that is fully rounded. You don\u2019t want to push through your board!&nbsp;<\/li><li>PVA; archival quality, of course. While there are a few ways to make a non-adhesive box that I won\u2019t get into with this entry, the method we use here in the Lab does require it.&nbsp;<\/li><li>A way to secure the adhered portions of the box. In the Lab, this would be done with large bulldog or binders clips with board scraps to prevent marring, but if you\u2019re at home without something like those, some&nbsp;strategically-placed&nbsp;weights will do nicely.&nbsp;&nbsp;<\/li><li>And of course, your corrugated board. Again, archival quality. For most projects, we use B flute (3mm thickness), but we do use E flute (1.6mm thickness) as well. E flute is used for my example photographs, throughout the entry.<\/li><\/ul>\n\n\n\n<p>In the Lab,\u00a0planning for\u00a0our corrugated boxes begins\u00a0with an Excel spreadsheet. Brought to\u00a0us\u00a0by Ashleigh via UCLA, this greatly shortens our box making time by automating the measurements needed for each project.\u00a0With just the height, width, and thickness of your piece, the sheet maps out every measurement you need for a snug, custom enclosure.\u00a0As\u00a0you can imagine, in a production lab like ours, this is a huge boon. I highly recommend it, and I would be happy to send it to you! (Feel free to email me any time at <a href=\"mailto:hyacinth.tucker@uc.edu\">hyacinth.tucker@uc.edu<\/a> or check out <a href=\"http:\/\/opc.wildapricot.org\/event-1728604\">this link<\/a> to past OPC workshop handouts!)\u00a0<\/p>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_002-1024x682.jpg\" alt=\"Excel spreadsheet over cut corrugated board on a cutting mat.\" class=\"wp-image-3089\" srcset=\"https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_002-1024x682.jpg 1024w, https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_002-300x200.jpg 300w, https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_002-768x512.jpg 768w, https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_002-1536x1023.jpg 1536w, https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_002-2048x1364.jpg 2048w, https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_002-624x416.jpg 624w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption>E flute spreadsheet, prepped and ready!<\/figcaption><\/figure><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"alignright size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_003-300x200.jpg\" alt=\"E flute board marked with score and cut lines.\" class=\"wp-image-3091\" srcset=\"https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_003-300x200.jpg 300w, https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_003-1024x682.jpg 1024w, https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_003-768x512.jpg 768w, https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_003-1536x1023.jpg 1536w, https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_003-2048x1364.jpg 2048w, https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_003-624x416.jpg 624w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><figcaption>Corrugated board, ready for cutting and scoring.<\/figcaption><\/figure><\/div>\n\n\n\n<p>Once we have our measurements secured, it\u2019s time to cut our board down to size and lay down our\u00a0guide-lines. Two things to remember: 1) be sure to make\u00a0all\u00a0your markings on the side of the board with visible corrugated lines, this way\u00a0the guide-lines and the less\u00a0aesthetically\u00a0pleasing side of the box are on the inside of the enclosure (with the exception of fragile items that might rub against the corrugation such as red rotted leather); and 2)\u00a0do\u00a0your best to orient the grain in the proper direction. When the box is finished, the\u00a0visible\u00a0corrugated lines should run in the same direction as the spine of the book. The\u00a0overall\u00a0board sizing can be done with your larger ruler,\u00a0rather than a\u00a0board shear or oversized\u00a0paper cutter,\u00a0if you\u2019re very careful. That same ruler can then be used to measure out the cutting and scoring lines.\u00a0<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"alignright size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_004-300x200.jpg\" alt=\"Ruler and e flute board with markings of where to cut for box walls and flaps.\" class=\"wp-image-3092\" srcset=\"https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_004-300x200.jpg 300w, https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_004-1024x682.jpg 1024w, https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_004-768x512.jpg 768w, https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_004-1536x1023.jpg 1536w, https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_004-2048x1364.jpg 2048w, https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_004-624x416.jpg 624w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><figcaption>Work in progress, a closeup of a flap cut. <\/figcaption><\/figure><\/div>\n\n\n\n<p>Next, let\u2019s make our box cuts. If you have one, the smaller ruler is great here. Again, the spreadsheet makes this part&nbsp;simple. Cut on the solid lines, score and fold on the dashed lines. One thing that the sheet doesn\u2019t mention is that the inner corners of each box wall need to be cut. Not&nbsp;much;&nbsp;you don\u2019t want to expose your materials to the elements. Just a little corner to keep them from catching on each other when you close your completed box.&nbsp;&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_005-1024x682.jpg\" alt=\"Corrugated board with cuts and folds complete.\" class=\"wp-image-3093\" srcset=\"https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_005-1024x682.jpg 1024w, https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_005-300x200.jpg 300w, https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_005-768x512.jpg 768w, https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_005-1536x1023.jpg 1536w, https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_005-2048x1364.jpg 2048w, https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_005-624x416.jpg 624w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption>Almost done!<\/figcaption><\/figure><\/div>\n\n\n\n<p>Now that&nbsp;all of&nbsp;the cuts are done, we move on to the scoring and creasing. In the Lab,&nbsp;all of&nbsp;the creasing across the width of the box is done with a large crimper, and the lengthwise work is done by hand. Fortunately, if you don\u2019t have access to&nbsp;a crimper,&nbsp;it\u2019s&nbsp;pretty&nbsp;easy&nbsp;to&nbsp;score&nbsp;with one of your rulers and the rounded bone folder. Just take your time, and don\u2019t press too hard; you don\u2019t want to break through the board.&nbsp;&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"alignright size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_006-300x200.jpg\" alt=\"Weight nestled against enclosure wall to assist with adhesion of adhesive during drying.\" class=\"wp-image-3094\" srcset=\"https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_006-300x200.jpg 300w, https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_006-1024x682.jpg 1024w, https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_006-768x511.jpg 768w, https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_006-1536x1023.jpg 1536w, https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_006-2048x1363.jpg 2048w, https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-content\/uploads\/2020\/10\/corr_clam_006-624x415.jpg 624w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><figcaption>In the absence of bulldog clips, properly placed weights <br>can help hold everything together while the adhesive dries. <\/figcaption><\/figure><\/div>\n\n\n\n<p>Next, let\u2019s pull it all together. First, fold up the sides of your box, to define your inner trays.&nbsp;If you are using 3mm board, this is a great time to use your bone folder to flatten&nbsp;the flaps, in order to prevent bulk&nbsp;when pasted down.&nbsp;Next, tuck the flaps into the fold over portions at each end.&nbsp;This is where the PVA comes in. Put it on the flaps and the interior of the fold-overs. Be generous, but not too generous; we don\u2019t want it to gush out when we make the folds. Secure the fold-overs with the clips\/weights, and&nbsp;leave it all to dry. I aim for overnight, if I can, so that&nbsp;the PVA can off-gas a bit before I put the piece inside. If you can leave it for longer, that\u2019s even better.&nbsp;<\/p>\n\n\n\n<p>And there you have it, a lovely custom corrugated clamshell that\u2019s perfect for your needs. In my next post we\u2019ll look at some non-adhesive solutions, and a great way to customize them.&nbsp;&nbsp;<\/p>\n\n\n\n<p>Until next time!&nbsp;<\/p>\n\n\n\n<p><strong>Hyacinth Tucker (UCL) &#8212; Bindery and Conservation Technician<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tuxedo boxes are fantastic, accessible enclosures. Sadly, they do have their limitations, as anything does. If you\u2019re working with a piece that is a larger or heavier (or both!), a piece that is a bit more delicate and in need of more protection, or a piece that isn\u2019t all in one piece, you may want [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,1],"tags":[421,81,420,156,422],"class_list":["post-3086","post","type-post","status-publish","format-standard","hentry","category-enclosures","category-uncategorized","tag-andrea-krupp","tag-corrugated-clamshell","tag-e-flute","tag-hyacinth-tucker","tag-ucla-spreadsheet"],"_links":{"self":[{"href":"https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-json\/wp\/v2\/posts\/3086","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-json\/wp\/v2\/comments?post=3086"}],"version-history":[{"count":9,"href":"https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-json\/wp\/v2\/posts\/3086\/revisions"}],"predecessor-version":[{"id":3102,"href":"https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-json\/wp\/v2\/posts\/3086\/revisions\/3102"}],"wp:attachment":[{"href":"https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-json\/wp\/v2\/media?parent=3086"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-json\/wp\/v2\/categories?post=3086"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/libapps.libraries.uc.edu\/thepreservationlab\/wp-json\/wp\/v2\/tags?post=3086"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}