{"product_id":"ampacoll-nd-band-nail-sealing-tape","title":"Band Nail Sealing Tape for Under Roof Battens on Flat Roof","description":"\u003cp\u003eThe Ampacoll ND.Band is a professional grade nail sealing tape designed to keep roof and formwork membranes watertight - even in the toughest conditions. Certified for seal tightness by Holzforschung Austria (HFA), this tape prevents moisture from penetrating screw or nail holes, ensuring the long term protection of your construction.\u003c\/p\u003e\n\u003cp\u003eThanks to its closed cell foam structure, Ampacoll ND.Band absorbs no water, maintaining a reliable seal for over a decade of proven use. With no paper liner, installation is fast, clean, and waste free - ideal for professional roofing applications.\u003c\/p\u003e\n\u003cp\u003eThis smart tape helps combat the real world stresses that threaten your build: shrinking wood, twisted counter battens, alternating wet and dry cycles, mechanical load from scaffolding, or even heavy snow coverage. Ampacoll ND.Band ensures your roof membranes remain fully  sealed and protected, year after year.\u003c\/p\u003e\n\u003cp\u003eKey Features\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSeal tightness certified by HFA - independent assurance of reliability.\u003c\/li\u003e\n\u003cli\u003eClosed cell foam - absorbs no water and maintains performance long term.\u003c\/li\u003e\n\u003cli\u003eNo paper liner - quick installation with no waste.\u003c\/li\u003e\n\u003cli\u003eProven durability - trusted on construction sites for 10+ years.\u003c\/li\u003e\n\u003cli\u003eGuaranteed watertight protection - prevents leaks at nail and screw points.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhy choose Ampacoll ND.Band?\u003c\/p\u003e\n\u003cp\u003eEven the strongest roof membrane is vulnerable at nail or screw penetrations. Ampacoll ND.Band eliminates this weak point, protecting against:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTwisted counter battens.\u003c\/li\u003e\n\u003cli\u003eShrinking timber.\u003c\/li\u003e\n\u003cli\u003eExtreme cycles of wet\/dry weather.\u003c\/li\u003e\n\u003cli\u003ePoor nail adhesion in rafters.\u003c\/li\u003e\n\u003cli\u003eHeavy snow or scaffold loads.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstallation Tips\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e Use a chalk line for every counter batten.\u003c\/li\u003e\n\u003cli\u003e Apply Ampacoll ND.Band directly onto the roof membrane.\u003c\/li\u003e\n\u003cli\u003e For wide roof lathing, simply extend the band accordingly.\u003c\/li\u003e\n\u003cli\u003e Mount counter battens on top - the tape often replaces chalk lines altogether.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eAmpacoll ND.Band: The simple, proven solution for watertight roofing and formwork membranes. Trusted by professional for over 10 years.\u003c\/p\u003e","brand":"Ampack","offers":[{"title":"60mm x 30m","offer_id":51371979243867,"sku":null,"price":23.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0788\/7657\/4043\/files\/csm_pic_Ampacoll_ND_Band60_p1_c5ad4e88fa.jpg?v=1757321003","url":"https:\/\/buildgreener.co.uk\/products\/ampacoll-nd-band-nail-sealing-tape","provider":"Build Greener","version":"1.0","type":"link"}