{"product_id":"glazing-packers","title":"28mm x 100mm Flat Plastic Glazing Packers – Colour-Coded Shims for Windows \u0026 Doors | Made in UK","description":"\u003cp\u003eProfessional 28mm x 100mm glazing packers, colour-coded by thickness for fast, accurate window and door installation. Made in the UK from 100% recyclable polypropylene — the choice of professional installers nationwide.\u003c\/p\u003e\n\n\u003cp\u003eEach pack contains flat plastic shims in a single thickness, sized for standard UPVC, aluminium, and timber frames. Colour-coded for instant on-site identification, eliminating guesswork when selecting the right shim for your rebate depth.\u003c\/p\u003e\n\n\u003ch2\u003eColour Code Guide\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1mm — Green:\u003c\/strong\u003e Fine adjustment for lightweight timber sash windows and heritage installations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2mm — Black:\u003c\/strong\u003e Shallow rebate shimming and secondary glazing alignment (rebate depth 15–20mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3mm — White:\u003c\/strong\u003e Industry standard for UPVC double glazing — suits most domestic installations (rebate depth 20–25mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4mm — Grey:\u003c\/strong\u003e Deeper rebate frames and heavier units up to 500kg, aluminium and commercial applications (rebate depth 25–30mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5mm — Blue:\u003c\/strong\u003e Wide-frame profiles, premium aluminium systems, and high-specification installations (rebate depth 30mm+)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6mm — Red:\u003c\/strong\u003e Maximum depth specialist installations, heritage timber, coastal and architectural projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eProduct Specification\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 28mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 100mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Rigid polypropylene — waterproof, load-bearing, reusable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack sizes:\u003c\/strong\u003e 60, 120, 300, or 1,000 per pack — trade quantities available\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufactured:\u003c\/strong\u003e UK — FENSA-grade quality\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame compatibility:\u003c\/strong\u003e UPVC, aluminium, and timber\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eOrder by thickness and pack size. Mixed packs (1mm–6mm assorted) also available for trade toolboxes and multi-project use. Bulk pricing for 1,000-pack orders.\u003c\/p\u003e","brand":"Glazing Supplies Direct","offers":[{"title":"28mm \/ 1mm \/ 1000","offer_id":53056433127762,"sku":"GSD-1MM-28","price":17.33,"currency_code":"GBP","in_stock":true},{"title":"28mm \/ 1mm \/ 300","offer_id":53056433160530,"sku":"GSD-53056433160530","price":12.58,"currency_code":"GBP","in_stock":true},{"title":"28mm \/ 1mm \/ 120","offer_id":53056433193298,"sku":"GSD-53056433193298","price":9.77,"currency_code":"GBP","in_stock":true},{"title":"28mm \/ 2mm \/ 1000","offer_id":53056433226066,"sku":"GSD-2MM-28","price":18.38,"currency_code":"GBP","in_stock":true},{"title":"28mm \/ 2mm \/ 300","offer_id":53056433258834,"sku":"GSD-53056433258834","price":12.92,"currency_code":"GBP","in_stock":true},{"title":"28mm \/ 2mm \/ 120","offer_id":53056433291602,"sku":"GSD-53056433291602","price":10.07,"currency_code":"GBP","in_stock":true},{"title":"28mm \/ 2mm \/ 60","offer_id":53056433324370,"sku":"GSD-53056433324370","price":7.25,"currency_code":"GBP","in_stock":true},{"title":"28mm \/ 3mm \/ 1000","offer_id":53056433357138,"sku":"GSD-3MM-28","price":20.79,"currency_code":"GBP","in_stock":true},{"title":"28mm \/ 3mm \/ 300","offer_id":53056433389906,"sku":"GSD-53056433389906","price":15.11,"currency_code":"GBP","in_stock":true},{"title":"28mm \/ 3mm \/ 120","offer_id":53056433422674,"sku":"GSD-53056433422674","price":10.65,"currency_code":"GBP","in_stock":true},{"title":"28mm \/ 3mm \/ 60","offer_id":53056433455442,"sku":"GSD-53056433455442","price":7.55,"currency_code":"GBP","in_stock":true},{"title":"28mm \/ 4mm \/ 1000","offer_id":53056433488210,"sku":"GSD-5MM-28","price":24.68,"currency_code":"GBP","in_stock":true},{"title":"28mm \/ 4mm \/ 300","offer_id":53056433520978,"sku":"GSD-53056433520978","price":15.81,"currency_code":"GBP","in_stock":true},{"title":"28mm \/ 4mm \/ 120","offer_id":53056433553746,"sku":"GSD-53056433553746","price":11.03,"currency_code":"GBP","in_stock":true},{"title":"28mm \/ 4mm \/ 60","offer_id":53056433586514,"sku":"GSD-53056433586514","price":7.88,"currency_code":"GBP","in_stock":true},{"title":"28mm \/ 5mm \/ 1000","offer_id":53056433619282,"sku":"GSD-5MM-28","price":26.25,"currency_code":"GBP","in_stock":true},{"title":"28mm \/ 5mm \/ 300","offer_id":53056433652050,"sku":"GSD-53056433652050","price":16.37,"currency_code":"GBP","in_stock":true},{"title":"28mm \/ 5mm \/ 120","offer_id":53056433684818,"sku":"GSD-53056433684818","price":11.33,"currency_code":"GBP","in_stock":true},{"title":"28mm \/ 5mm \/ 60","offer_id":53056433717586,"sku":"GSD-53056433717586","price":8.19,"currency_code":"GBP","in_stock":true},{"title":"28mm \/ 6mm \/ 1000","offer_id":53056433750354,"sku":"GSD-6MM-28","price":27.83,"currency_code":"GBP","in_stock":true},{"title":"28mm \/ 6mm \/ 300","offer_id":53056433783122,"sku":"GSD-53056433783122","price":17.01,"currency_code":"GBP","in_stock":true},{"title":"28mm \/ 6mm \/ 120","offer_id":53056433815890,"sku":"GSD-53056433815890","price":11.97,"currency_code":"GBP","in_stock":true},{"title":"28mm \/ 6mm \/ 60","offer_id":53056433848658,"sku":"GSD-53056433848658","price":8.76,"currency_code":"GBP","in_stock":true},{"title":"28mm \/ 1 2 3 4 5 6 mm \/ 1000","offer_id":53056433881426,"sku":"GSD-Mixed-28","price":27.83,"currency_code":"GBP","in_stock":true},{"title":"28mm \/ 1 2 3 4 5 6 mm \/ 300","offer_id":53056433914194,"sku":"GSD-53056433914194","price":20.15,"currency_code":"GBP","in_stock":true},{"title":"28mm \/ 1 2 3 4 5 6 mm \/ 120","offer_id":53056433946962,"sku":"GSD-53056433946962","price":11.33,"currency_code":"GBP","in_stock":true},{"title":"28mm \/ 1 2 3 4 5 6 mm \/ 60","offer_id":53056433979730,"sku":"GSD-53056433979730","price":8.81,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1060\/4006\/6386\/files\/2_c838a2d8-0c63-4a6e-aeea-ed99d9eecfb2.png?v=1774866839","url":"https:\/\/glazingsuppliesdirect.com\/products\/glazing-packers","provider":"Glazing Supplies Direct","version":"1.0","type":"link"}