{"product_id":"sikaflex-521-afdichtkit-grijs","title":"Sikaflex 521 sealant grey","description":"\u003cstyle\u003e\n\/* ===== SCOPE: alleen binnen #fe-sikaflex-desc ===== *\/\n#fe-sikaflex-desc h2{margin:16px 0 8px}\n#fe-sikaflex-desc h3{margin:14px 0 6px}\n#fe-sikaflex-desc h4{margin:2px 0 6px; font-size:1.05em}\n#fe-sikaflex-desc p{margin:8px 0}\n#fe-sikaflex-desc ul{margin:8px 0 10px 1.2em}\n#fe-sikaflex-desc li{margin:4px 0}\n#fe-sikaflex-desc .disclaimer{font-size:.95em; opacity:.8;}\n#fe-sikaflex-desc .note{\n  font-size:.95em; background:#fff; border-left:3px solid #ffd24d;\n  padding:8px 10px; border-radius:6px; margin:8px 0;\n}\n\n\/* Badges *\/\n#fe-sikaflex-desc .badges{display:flex; flex-wrap:wrap; gap:8px; margin:8px 0 6px}\n#fe-sikaflex-desc .badge{\n  font-size:.9em; border:1px solid #e6e6e6; border-radius:999px; padding:6px 10px; background:#fff;\n}\n\n\/* Accordions *\/\n#fe-sikaflex-desc details{\n  border-top:1px solid #e6e6e6; padding:8px 0; margin:0; position:relative; z-index:1;\n}\n#fe-sikaflex-desc details:last-of-type{border-bottom:1px solid #e6e6e6;}\n#fe-sikaflex-desc summary{\n  list-style:none; cursor:pointer; padding:10px 0; margin:0;\n  display:flex; align-items:center; justify-content:space-between; font-weight:600;\n}\n#fe-sikaflex-desc summary::-webkit-details-marker{display:none;}\n#fe-sikaflex-desc summary .caret{\n  transition:transform .28s ease; width:10px; height:10px; flex:0 0 10px; position:relative;\n}\n#fe-sikaflex-desc summary .caret::before{\n  content:\"\"; display:block; width:10px; height:10px;\n  border-right:2px solid #333; border-bottom:2px solid #333;\n  transform:rotate(-45deg); position:absolute; top:0; left:0;\n}\n#fe-sikaflex-desc details[open] summary .caret{transform:rotate(180deg);}\n\n\/* Smooth animation *\/\n#fe-sikaflex-desc .acc-panel{\n  max-height:0; overflow:hidden; opacity:0;\n  transition:max-height .32s ease, opacity .32s ease;\n  will-change:max-height;\n}\n#fe-sikaflex-desc details[open] .acc-panel{ max-height:1200px; opacity:1; }\n@media (prefers-reduced-motion: reduce){\n  #fe-sikaflex-desc .acc-panel{ transition:none; }\n  #fe-sikaflex-desc summary .caret{ transition:none; }\n}\n\n\/* CTA-knoppen *\/\n:root{--fe-accent:#2ca24f;}\n#fe-sikaflex-desc .fe-actions{\n  display:flex; gap:10px; flex-wrap:wrap; align-items:center; margin:8px 0 2px; position:relative; z-index:3;\n}\n#fe-sikaflex-desc a.fe-cta{\n  display:inline-flex; align-items:center; justify-content:center; gap:8px;\n  padding:10px 14px; border-radius:999px; line-height:1.1;\n  border:1px solid #d9d9d9 !important; background:#fff !important; color:#111 !important;\n  font-weight:600; font-size:15px; text-decoration:none; transition:all .15s ease;\n}\n#fe-sikaflex-desc a.fe-cta:focus-visible{outline:2px solid #0ea5e9; outline-offset:3px}\n#fe-sikaflex-desc a.fe-cta--primary{border-color:var(--fe-accent) !important; color:#0f321a !important;}\n#fe-sikaflex-desc a.fe-cta--primary:hover{background:var(--fe-accent) !important; color:#fff !important; border-color:var(--fe-accent) !important;}\n#fe-sikaflex-desc a.fe-cta--outline{opacity:.95}\n#fe-sikaflex-desc a.fe-cta--outline:hover{border-color:#bbb !important; background:#f7f7f7 !important}\n#fe-sikaflex-desc .fe-cta__arrow{font-weight:700; color:var(--fe-accent)}\n#fe-sikaflex-desc a.fe-cta--primary:hover .fe-cta__arrow{color:#fff}\n\n\/* Separator *\/\n#fe-sikaflex-desc .thin-sep{border-top:1px solid #e6e6e6; margin:12px 0}\n\u003c\/style\u003e\u003cdiv id=\"fe-sikaflex-desc\"\u003e\n\n\u003c!-- Intro + badges --\u003e\n\u003cp\u003e\u003cstrong\u003eSikaflex®-521 UV\u003c\/strong\u003e is a \u003cstrong\u003eweather-resistant\u003c\/strong\u003e, permanently elastic STP adhesive\/sealant with a broad adhesion spectrum (including metal, plastic, and wood). We often supply this sealant with roof installations, as it is very suitable for \u003cstrong\u003ewatertight sealing of rivets and profiles\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cdiv class=\"badges\" aria-label=\"Product features\"\u003e\n\n\u003cspan class=\"badge\"\u003eUV \u0026amp; weather resistant\u003c\/span\u003e \u003cspan class=\"badge\"\u003ePermanently elastic\u003c\/span\u003e \u003cspan class=\"badge\"\u003eBroad adhesion spectrum\u003c\/span\u003e \u003cspan class=\"badge\"\u003eOften primerless\u003c\/span\u003e \u003cspan class=\"badge\"\u003eIsocyanate \u0026amp; solvent-free\u003c\/span\u003e\n\n\u003c\/div\u003e\n\n\u003c!-- ACCORDIONS --\u003e\n\u003cdetails open=\"\" id=\"toepassing\"\u003e\n\u003csummary\u003e\u003cspan class=\"acc-label\"\u003eWhat do we use this sealant for?\u003c\/span\u003e\u003cspan aria-hidden=\"true\" class=\"caret\"\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"acc-panel\"\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eWatertight sealing\u003c\/strong\u003e of rivets during roof installation\u003c\/li\u003e\n\n\u003cli\u003eSealing of \u003cstrong\u003ealuminum Z-profiles\u003c\/strong\u003e on campervan roofs (mechanically fastened with rivets)\u003c\/li\u003e\n\n\u003cli\u003eElastic sealing for penetrations and connections (internal\/external)\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp class=\"note\"\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e we use \/ supply Sikaflex®-521 UV (optionally) with our \u003ca href=\"https:\/\/faradayenergy.nl\/products\/aluminium-z-profielen-4-stuks\"\u003eAluminum Z-profiles (set of 4)\u003c\/a\u003e, because an elastic seal handles vibrations and roof movement better.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\u003c\/details\u003e\n\u003cdetails open=\"\" id=\"eigenschappen\"\u003e\n\u003csummary\u003e\u003cspan class=\"acc-label\"\u003eKey properties\u003c\/span\u003e\u003cspan aria-hidden=\"true\" class=\"caret\"\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"acc-panel\"\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eResistant to weathering and aging\u003c\/strong\u003e (suitable for outdoor use)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eAdheres to many substrates\u003c\/strong\u003e without special pre-treatment\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003ePermanently elastic\u003c\/strong\u003e – absorbs movement and vibrations well\u003c\/li\u003e\n\n\u003cli\u003e\u003cstrong\u003eIsocyanate- and solvent-free\u003c\/strong\u003e\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eLow odor\u003c\/strong\u003e and often paintable (always test beforehand)\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp class=\"disclaimer\"\u003ePlease note: surface preparation remains important. Always ensure a clean, dry, and grease-free surface.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\u003c\/details\u003e\n\u003cdetails id=\"niet-geschikt\"\u003e\n\u003csummary\u003e\u003cspan class=\"acc-label\"\u003eImportant: this is not a structural adhesive\u003c\/span\u003e\u003cspan aria-hidden=\"true\" class=\"caret\"\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"acc-panel\"\u003e\n\n\u003cp\u003eSikaflex®-521 UV is intended for \u003cstrong\u003esealing\u003c\/strong\u003e and light adhesive\/sealing applications, but \u003cstrong\u003enot\u003c\/strong\u003e for structural bonding on a camper roof.\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eDo not use\u003c\/strong\u003e for bonding plastic spoilers\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eDo not use\u003c\/strong\u003e for bonding corner brackets\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eDo not use\u003c\/strong\u003e as the sole mounting for solar panels on the roof\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp class=\"note\"\u003e\u003cstrong\u003eWhy not?\u003c\/strong\u003e With solar panels, the roof is constantly working (temperature, wind, vibrations). For safe, long-term roof mounting, a \u003cstrong\u003estructural adhesive\u003c\/strong\u003e with the correct system build-up (and often primers) is required — to prevent detachment and damage.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\u003c\/details\u003e\n\u003cdetails id=\"verwerking\"\u003e\n\u003csummary\u003e\u003cspan class=\"acc-label\"\u003eApplication (brief \u0026amp; practical)\u003c\/span\u003e\u003cspan aria-hidden=\"true\" class=\"caret\"\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"acc-panel\"\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eSubstrate:\u003c\/strong\u003e clean, dry, and grease-free\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eApplication temperature:\u003c\/strong\u003e approx. 5 °C to 40 °C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eSkin formation:\u003c\/strong\u003e approximately 30 minutes (depending on conditions)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eCuring:\u003c\/strong\u003e via air humidity (slower in cold\/dry conditions)\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp class=\"disclaimer\"\u003eFinish within the skin formation time and, if in doubt, test adhesion\/compatibility beforehand.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\u003c\/details\u003e\n\u003cdetails id=\"faq\" open=\"\"\u003e\n\u003csummary\u003e\u003cspan class=\"acc-label\"\u003eFAQ\u003c\/span\u003e\u003cspan aria-hidden=\"true\" class=\"caret\"\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"acc-panel\"\u003e\n\n\u003ch5\u003e\u003cstrong\u003eCan I use this to glue solar panels?\u003c\/strong\u003e\u003c\/h5\u003e\n\n\u003cp\u003eNo. For solar panels (spoilers\/corner brackets), we recommend a suitable \u003cstrong\u003estructural adhesive\u003c\/strong\u003e. Sikaflex®-521 UV is intended for sealing and elastic finishing.\u003c\/p\u003e\n\n\u003ch5\u003e\u003cstrong\u003eWhy do you supply this sealant with Z-profiles?\u003c\/strong\u003e\u003c\/h5\u003e\n\n\u003cp\u003eZ-profiles are mechanically fastened with rivets. This sealant is ideal for making \u003cstrong\u003erivets and profiles watertight\u003c\/strong\u003e while maintaining elasticity.\u003c\/p\u003e\n\n\u003ch5\u003e\u003cstrong\u003eDoes this adhere to aluminum and common camper materials?\u003c\/strong\u003e\u003c\/h5\u003e\n\n\u003cp\u003eYes, it adheres well to many substrates (including metal, various plastics, and wood), often without primer. A clean surface and good preparation remain crucial.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\u003c\/details\u003e\n\u003cdetails id=\"vervolgstap\"\u003e\n\u003csummary\u003e\u003cspan class=\"acc-label\"\u003eNext step (are you unsure about the right sealant?)\u003c\/span\u003e\u003cspan aria-hidden=\"true\" class=\"caret\"\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"acc-panel\"\u003e\n\n\u003cp\u003eAre you unsure whether you need a \u003cstrong\u003esealant\u003c\/strong\u003e or a \u003cstrong\u003estructural adhesive\u003c\/strong\u003e for your application? Please contact us – this will help you avoid wrong choices and unsafe situations.\u003c\/p\u003e\n\n\u003cdiv class=\"fe-actions\"\u003e\n\n\u003ca class=\"fe-cta fe-cta--primary\" href=\"\/en\/pages\/contact\"\u003eAsk your question \u003cspan class=\"fe-cta__arrow\"\u003e→\u003c\/span\u003e\u003c\/a\u003e \u003ca class=\"fe-cta fe-cta--outline\" href=\"mailto:info@faradayenergy.nl\"\u003eEmail us\u003c\/a\u003e\n\n\u003c\/div\u003e\n\n\u003cp style=\"margin-top: 4px;\"\u003eor \u003ca href=\"https:\/\/wa.me\/31638629787\"\u003eWhatsApp: 06-38629787\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp class=\"disclaimer\"\u003eSafety and processing information: always follow the product information sheet and, if in doubt, work with a test area.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\u003c\/details\u003e\n\u003cdiv class=\"thin-sep\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\n\u003cp class=\"disclaimer\"\u003eThis product text is intended as a practical guideline. For exact technical data and application advice: consult the datasheet.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Faraday Energy","offers":[{"title":"Default Title","offer_id":48118816735572,"sku":"SIKA521-300\/G","price":16.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/9171\/5668\/files\/sikaflex-521-afdicktkit-grijs-300ml.jpg?v=1720103341","url":"https:\/\/faradayenergy.nl\/en\/products\/sikaflex-521-afdichtkit-grijs","provider":"Faraday Energy","version":"1.0","type":"link"}