{"id":12740,"date":"2023-02-28T16:17:42","date_gmt":"2023-02-28T16:17:42","guid":{"rendered":"https:\/\/manuals.seakeeper.com\/seakeeper\/seakeeper-26-20hd-installation-manual-90265-7-copy\/mechanical-installation\/saddle-installation\/fiberglass-hull-preparation\/"},"modified":"2023-03-01T14:09:22","modified_gmt":"2023-03-01T14:09:22","slug":"fiberglass-hull-preparation","status":"publish","type":"page","link":"https:\/\/manuals.seakeeper.com\/seakeeper\/seakeeper-26-installation-manual-90265-8\/mechanical-installation\/saddle-installation\/fiberglass-hull-preparation\/","title":{"rendered":"2.5.3  Fiberglass Hull Preparation"},"content":{"rendered":"\n<ol class=\"wp-block-list\">\n<li>Position installation fixture (Figure 9) on hull girders noting recommended clearances for maintenance from Figure 2 (in Section: Selection of Installation Location). Check that the screws fastening the saddles to the installation fixture are tight (Figure 7).<\/li>\n<\/ol>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/manuals.seakeeper.com\/wp-content\/uploads\/SEAKEEPER-26-Saddle-Installation-Installing-Fixture-on-Hull.jpg\" alt=\"\" class=\"wp-image-4689\" width=\"469\" height=\"415\"\/><figcaption class=\"wp-element-caption\"><em><strong>Figure 9 \u2013<\/strong> Installing Fixture on Hull<\/em><\/figcaption><\/figure>\n<\/div>\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>Mask hull area (as shown in blue, Figure 10) around foundation saddles for easy clean-up and to create an outline of surface area to receive adhesive as shown in brown (Figure 9). Ensure that the bond gap is within adhesive manufacturer&#8217;s recommended thickness, or 3 mm if using Plexus MA590 or Sci-Grip SG300.<\/li>\n<\/ol>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/manuals.seakeeper.com\/wp-content\/uploads\/SEAKEEPER-26-Saddle-Installation-Masking-Perimeter-of-Saddles.jpg\" alt=\"\" class=\"wp-image-4690\" width=\"588\" height=\"409\"\/><figcaption class=\"wp-element-caption\"><em><strong>Figure 10 \u2013 <\/strong>Masking Perimeter of Saddles<\/em><\/figcaption><\/figure>\n<\/div>\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>Raise fixture clear of foundation. Check all four mounting areas are co-planar to within 1\/8 in. (3 mm) to each other, as well as parallel to the water line plane, as shown in Figure 11.<\/li>\n<\/ol>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/manuals.seakeeper.com\/wp-content\/uploads\/SEAKEEPER-26-Saddle-Installation-Coplanar-Properties-of-Foundation.jpg\" alt=\"\" class=\"wp-image-4691\" width=\"694\" height=\"411\"\/><figcaption class=\"wp-element-caption\"><em><strong>Figure 11 <em><strong>\u2013<\/strong><\/em><\/strong> Coplanar Properties of Foundation<\/em><\/figcaption><\/figure>\n<\/div>\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>Thoroughly clean with alcohol or acetone all areas (highlighted in brown, Figure 9) of girders to be bonded to remove any contaminates. Use new paper towels for cleaning, not shop rags.<\/li>\n\n\n\n<li>Remove any paint or gel-coat from bond surfaces so that adhesive will bond directly to laminate fibers and resin.<\/li>\n\n\n\n<li><strong>Thoroughly sand girder bond surfaces with 80 grit sandpaper in cross-hatch pattern. (IMPORTANT \u2013 BOND STRENGTH MAY BE REDUCED IF THIS STEP IS SKIPPED.)<\/strong><\/li>\n\n\n\n<li>Wipe surfaces clean from dust with alcohol or acetone using new paper towels, not shop rags.<\/li>\n\n\n\n<li>Re-position installation fixture on girders and double-check that the adhesive gap is within the adhesive manufacturer\u2019s maximum recommended thickness. (Note gap will be larger due to absence of gel-coat.) <span translate=\"no\"><span translate=\"no\">Seakeeper<\/span><\/span> recommends a maximum gap of 3 mm if using Plexus MA590 or Sci-Grip SG300.<\/li>\n\n\n\n<li>Lift installation fixture clear of foundation. Apply <span translate=\"no\"><span translate=\"no\">Seakeeper<\/span><\/span> provided adhesive backed foam strips at the eight locations shown (each end of four saddles) in Figure 12 below. These strips are to serve as a dam to minimize adhesive escaping out the ends of the saddles as they are positioned over the bond area.<\/li>\n<\/ol>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/manuals.seakeeper.com\/wp-content\/uploads\/SEAKEEPER-35-Foam-Strip-Installation-1.jpg\" alt=\"\" class=\"wp-image-5000\" width=\"468\" height=\"653\"\/><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/manuals.seakeeper.com\/wp-content\/uploads\/SEAKEEPER-26-Saddle-Installation-Foam-Strip-Installation-2.jpg\" alt=\"\" class=\"wp-image-4693\" width=\"373\" height=\"268\"\/><figcaption class=\"wp-element-caption\"><em><strong>Figure 12 \u2013<\/strong> Foam Strip Installation<\/em><\/figcaption><\/figure>\n<\/div>\n\n\n<p class=\"has-text-align-left\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">Note: If bonding saddles to a non-composite hull, contact <span translate=\"no\">Seakeeper<\/span> for hull preparation instructions.<\/mark><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Note: If bonding saddles to a non-composite hull, contact Seakeeper for hull preparation instructions.<\/p>\n","protected":false},"author":9,"featured_media":0,"parent":12734,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"manual":[277],"model":[],"document_type":[],"hidden":[],"class_list":["post-12740","page","type-page","status-publish","hentry","manual-seakeeper-26-installation-manual-90265-8"],"acf":[],"_links":{"self":[{"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/pages\/12740","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/comments?post=12740"}],"version-history":[{"count":3,"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/pages\/12740\/revisions"}],"predecessor-version":[{"id":12902,"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/pages\/12740\/revisions\/12902"}],"up":[{"embeddable":true,"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/pages\/12734"}],"wp:attachment":[{"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/media?parent=12740"}],"wp:term":[{"taxonomy":"manual","embeddable":true,"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/manual?post=12740"},{"taxonomy":"model","embeddable":true,"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/model?post=12740"},{"taxonomy":"document_type","embeddable":true,"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/document_type?post=12740"},{"taxonomy":"hidden","embeddable":true,"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/hidden?post=12740"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}