{"product_id":"u-packer-mixed-bag-70-pcs","title":"U Packer Mixed Bag (70\/Box)","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eU Packers Mixed Bag of assorted thicknesses from 1mm to 10mm. They can be easily slid around existing fixings without removing screws, helping to maintain accurate datum and line during set-out.\u003cbr\u003e\u003cbr\u003eEach packer is colour-coded for quick on-site identification. The rigid, non-compressible polymer provides a stable bearing under typical frame loads, while the internal comb design ensures a secure grip that resists movement during tightening and final fixing.\u003cbr\u003e\u003cbr\u003eThe material is non-absorbent and non-staining, ensuring a clean, professional installation against both frames and substrates. These U shaped shims support staged builds from hairline corrections to substantial pack-off. \u003cbr\u003e\u003cbr\u003eUsed singly for confident pack-off or combined with finer sizes to tune level and reveal, they maintain consistent plane across the bearing face to protect frame profiles and finishes.\u003cbr\u003e\u003cbr\u003eMixed thicknesses suited to first-fix and finishing across varied tasks.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour coding\u003c\/strong\u003e: Grey body provides quick visual confirmation of size in mixed sets and on busy sites. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eU-shaped profile\u003c\/strong\u003e: Slides around screws and anchors without removal to speed placement and adjustment. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal comb\u003c\/strong\u003e: Interlocks with substrate or fastener line to resist slip and creep during tightening. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-compressible polymer\u003c\/strong\u003e: Maintains level and square under typical frame and trim loads without crushing. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoisture and rot resistance\u003c\/strong\u003e: Non-absorbent material suitable for interior and exterior use. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean edges and flat faces\u003c\/strong\u003e: Distributes bearing evenly to protect frame finishes and substrates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReusable during set-out\u003c\/strong\u003e: Can be repositioned during dry-fit and left in place for final fix.  \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness range\u003c\/strong\u003e: Covers precision shimming to heavy pack-off in one set; 1–10mm.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWindow and door frame setting\u003c\/strong\u003e: From fine reveal tuning to substantial pack-off with minimal pieces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBatten and subframe alignment\u003c\/strong\u003e: Establishing datum over variable substrates across a run.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware seating\u003c\/strong\u003e: Backing light to heavier brackets and plates with matched thickness. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThresholds and sills\u003c\/strong\u003e: Eliminating rock and creating consistent fall across varying levels. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGeneral fit-out\u003c\/strong\u003e: Rapid problem-solving across joinery, cladding prep, and finishing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eInstallation Guidance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAssess substrate\u003c\/strong\u003e: Ensure bearing areas are sound, clean, and free from debris before packing. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDry fit and level\u003c\/strong\u003e: Position packers at known load points to establish line, level, and plumb. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlide around fixings\u003c\/strong\u003e: Use the U-slot to place packers without removing screws or anchors. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStack with control\u003c\/strong\u003e: Combine sizes only as required, keeping full face-to-face contact. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFix and check\u003c\/strong\u003e: Tighten gradually and re-check plumb\/level after each adjustment. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrim and leave in place\u003c\/strong\u003e: Do not remove after fixing; packers form part of the final assembly.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eCompliance \u0026amp; Performance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Rigid, non-compressible, non-absorbent polymer suitable for frame setting and packing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurability\u003c\/strong\u003e: Resistant to moisture, rot, and common site contaminants; non-staining against most frames. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature stability\u003c\/strong\u003e: Remains reliable across typical site temperature ranges during installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse limitation\u003c\/strong\u003e: Intended for setting and packing; not a structural load-bearing shim. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImportant note\u003c\/strong\u003e: Always maintain full bearing and verify the load path; wear appropriate PPE during installation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":53771583553647,"sku":"8002158","price":13.02,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/9784\/4591\/files\/mixed_bag_of_u_packers.jpg?v=1783758907","url":"https:\/\/supplyyard.co.uk\/products\/u-packer-mixed-bag-70-pcs","provider":"Supply Yard","version":"1.0","type":"link"}