{"product_id":"bostik-flashband-225mm-x-10m","title":"Bostik Flashband 225mm x 10m","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eBostik Flashband with a 225mm width and 10m length is a heavy-duty, self-adhesive bituminous flashing tape designed to deliver a durable, watertight seal on a broad range of building substrates. \u003cbr\u003e\u003cbr\u003eThe tape combines a resin-modified bitumen adhesive with a protective foil facing, producing a robust barrier that resists tearing, weathering and thermal cycling. Its pressure-sensitive adhesive bonds securely to brick, masonry, concrete roof tiles, timber, metal and rigid plastics, providing flexibility at low temperatures and resistance to flow at high temperatures for reliable long-term performance. \u003cbr\u003e\u003cbr\u003eThe adhesive mass strengthens over time, ensuring stability in both exposed and sheltered locations. No separate adhesive or specialist tools are required for application, and the foil surface provides a clean, uniform finish when in place. \u003cbr\u003e\u003cbr\u003eThe product is suitable for remedial and new-build work requiring a large-format 225mm width for broad-area protection.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelf-adhesive construction\u003c\/strong\u003e: Provides a strong, immediate bond without the need for separate adhesives, enabling rapid installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWatertight sealing layer\u003c\/strong\u003e: Creates a durable weatherproof barrier that prevents water ingress across joints, laps and interfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust foil facing\u003c\/strong\u003e: Offers tear resistance and stabilises the tape under thermal and mechanical stress for dependable service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGood substrate compatibility\u003c\/strong\u003e: Bonds effectively to common building materials including masonry, concrete tiles, timber, metal and rigid plastics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature-tolerant adhesive\u003c\/strong\u003e: Remains flexible at low temperatures and resists flow at elevated temperatures for reliable year-round performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth specification: \u003c\/strong\u003e225mm supports large roof transitions, extensive patch repairs and wide-span detailing where broad coverage is beneficial.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoof flashing repairs\u003c\/strong\u003e: Restores watertightness around chimneys, parapets and roof penetrations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJoint and lap sealing\u003c\/strong\u003e: Provides a continuous seal over roofing felt joints, slate repairs and small gutter interfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmergency waterproofing\u003c\/strong\u003e: Acts as a rapid, self-bonding solution for leaks during adverse weather.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDecorative over-bridging\u003c\/strong\u003e: Accepts over-painting where required, subject to compatibility testing.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Guidance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurface preparation\u003c\/strong\u003e: Ensure all substrates are clean, dry and free from contaminants, with hollows over 3mm filled before application.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimer use\u003c\/strong\u003e: Apply Flashband Primer Emulsion or Primer S.V. on porous or rough substrates to improve adhesion, allowing it to dry fully before use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTape positioning\u003c\/strong\u003e: Remove a short section of release backing, align the tape and apply progressively to avoid creasing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBond consolidation\u003c\/strong\u003e: Press into place using hand pressure, then roll firmly to expel air and secure all edges and overlaps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverlap formation\u003c\/strong\u003e: Maintain a minimum 25mm overlap between adjacent strips to achieve a watertight seal.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompliance \u0026amp; Performance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial composition\u003c\/strong\u003e: Resin-modified bituminous adhesive mass with a protective foil facing for reinforcement and weather resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eService temperatures\u003c\/strong\u003e: Performs within -10°C to +100°C, depending on operating conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication temperature window\u003c\/strong\u003e: Substrate surface must be between +5°C and +30°C for correct adhesion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage conditions\u003c\/strong\u003e: Store unopened rolls in cool, dry conditions between +5°C and +25°C, protected from frost and direct sunlight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImportant note\u003c\/strong\u003e: Flashband must not contact silicone sealants, flexible PVC, vinyl or solvent-rich environments and is not suitable for areas subject to foot or vehicular traffic.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Bostik","offers":[{"title":"Default Title","offer_id":53771556618351,"sku":"9002167","price":28.24,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/9784\/4591\/files\/Bostik_Flashband_225mm_x_10m.jpg?v=1783758811","url":"https:\/\/supplyyard.co.uk\/products\/bostik-flashband-225mm-x-10m","provider":"Supply Yard","version":"1.0","type":"link"}