{"product_id":"biokil-bioflex-membrane","title":"BIOKIL BioFlex Damp \u0026 Salt Membrane – 1.2m x 15m (18m²)","description":"\u003ch2\u003eBIOKIL BioFlex Membrane\u003c\/h2\u003e\n\n\u003ch3\u003eUltra-Thin Damp and Salt Protection for Internal Walls\u003c\/h3\u003e\n\n\u003cp\u003eBIOKIL BioFlex Membrane is a flexible, 1.5 mm polyethylene membrane with a dual polypropylene fleece backing. It creates a protective barrier between damp or salt-contaminated internal masonry and new plaster finishes.\u003c\/p\u003e\n\n\u003cp\u003eDesigned for use with BIOKIL BioFlex Adhesive, the membrane is bonded directly to the wall without drilling or mechanical fixings. Its ultra-thin profile makes it ideal where available space is limited or the new plaster must match the thickness of surrounding finishes.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features \u0026amp; Benefits\u003c\/h4\u003e\n\n\u003cul\u003e\n\u003cli\u003eOnly 1.5 mm thick for a minimal wall build-up\u003c\/li\u003e\n\u003cli\u003eProtects new plaster against residual damp and hygroscopic salts\u003c\/li\u003e\n\u003cli\u003eFlexible construction follows curved walls, reveals and detailed areas\u003c\/li\u003e\n\u003cli\u003eBonded directly to the wall without drilling or mechanical fixings\u003c\/li\u003e\n\u003cli\u003eDual polypropylene fleece provides excellent adhesion\u003c\/li\u003e\n\u003cli\u003eSuitable for plastering directly over once installed\u003c\/li\u003e\n\u003cli\u003eEasy to measure, cut and shape on site\u003c\/li\u003e\n\u003cli\u003eHelps protect decorative finishes against moisture-related damage\u003c\/li\u003e\n\u003cli\u003eIdeal where existing plaster thickness needs to be matched\u003c\/li\u003e\n\u003cli\u003eSuitable for use following the installation of a remedial damp-proof course\u003c\/li\u003e\n\u003cli\u003e18 m² coverage per roll\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eTypical Applications\u003c\/h4\u003e\n\n\u003cul\u003e\n\u003cli\u003eInternal walls treated with a remedial damp-proof course\u003c\/li\u003e\n\u003cli\u003eMasonry affected by residual damp or salt contamination\u003c\/li\u003e\n\u003cli\u003eWalls that are slow to dry following damp treatment\u003c\/li\u003e\n\u003cli\u003eProperties where the original plaster thickness must be maintained\u003c\/li\u003e\n\u003cli\u003eRestricted spaces unsuitable for thicker membrane systems\u003c\/li\u003e\n\u003cli\u003eCurved walls, reveals and detailed masonry areas\u003c\/li\u003e\n\u003cli\u003eRefurbishment projects requiring a direct plaster finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eSurface Preparation\u003c\/h4\u003e\n\n\u003cp\u003eIdentify and rectify the source of moisture before installing the membrane system. Where rising damp is present, install an appropriate remedial damp-proof course, such as BIOKIL BioDry ProCream, before proceeding.\u003c\/p\u003e\n\n\u003cp\u003eThe receiving surface must be sound, stable, clean and free from paint, laitance, dust, loose particles and other contamination that could prevent adhesion. Repair structural defects and damaged areas before installation.\u003c\/p\u003e\n\n\u003cp\u003eRemove surface contamination by brushing or light abrasion. Where moss, mould or other biological growth is present, treat the masonry with an appropriate masonry biocide and follow the relevant application instructions.\u003c\/p\u003e\n\n\u003ch4\u003eInstallation\u003c\/h4\u003e\n\n\u003col\u003e\n\u003cli\u003eMeasure the wall and cut the membrane to the required dimensions, allowing it to finish approximately 25 mm above floor level.\u003c\/li\u003e\n\u003cli\u003ePrepare and apply BIOKIL BioFlex Adhesive to the wall using a suitable notched trowel.\u003c\/li\u003e\n\u003cli\u003eSpread the adhesive to a thickness of approximately 1–2 mm.\u003c\/li\u003e\n\u003cli\u003ePosition the membrane within 10 minutes of applying the adhesive.\u003c\/li\u003e\n\u003cli\u003ePlace the membrane against the wall with the fleece side in contact with the adhesive.\u003c\/li\u003e\n\u003cli\u003ePress the membrane firmly into position using a clean, flat trowel.\u003c\/li\u003e\n\u003cli\u003eWork from the centre outwards to remove trapped air and ensure complete contact.\u003c\/li\u003e\n\u003cli\u003eAllow the bonded system to cure fully, typically overnight, before plastering.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch4\u003ePlastering and Finishing\u003c\/h4\u003e\n\n\u003cp\u003eOnce the membrane is fully bonded and the adhesive has cured, apply a suitable undercoat plaster directly to the membrane. Gypsum-based undercoat plasters may be used.\u003c\/p\u003e\n\n\u003cp\u003eComplete the system with Limelite High Impact Plaster or another appropriate durable finishing plaster. The plaster thickness can be adjusted to match surrounding finishes where required.\u003c\/p\u003e\n\n\u003cp\u003eDecoration may begin once the plaster has dried completely. The membrane itself does not require an additional drying-out period.\u003c\/p\u003e\n\n\u003ch4\u003eTechnical Information\u003c\/h4\u003e\n\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003ePolyethylene with dual polypropylene fleece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThickness\u003c\/td\u003e\n\u003ctd\u003e1.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoll size\u003c\/td\u003e\n\u003ctd\u003e1.2 m x 15 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoverage per roll\u003c\/td\u003e\n\u003ctd\u003e18 m²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColour\u003c\/td\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSalt resistance\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTear resistance\u003c\/td\u003e\n\u003ctd\u003eAt least 50 N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication method\u003c\/td\u003e\n\u003ctd\u003eBonded using BIOKIL BioFlex Adhesive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum application temperature\u003c\/td\u003e\n\u003ctd\u003eAbove 5°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExpected service life\u003c\/td\u003e\n\u003ctd\u003eLifetime of the structure when stored and installed as directed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eApplication Limitations\u003c\/h4\u003e\n\n\u003cul\u003e\n\u003cli\u003eFor internal vertical wall applications only\u003c\/li\u003e\n\u003cli\u003eNot suitable for use as a flooring membrane\u003c\/li\u003e\n\u003cli\u003eDo not apply to unstable, contaminated or excessively wet surfaces\u003c\/li\u003e\n\u003cli\u003eDo not install in freezing or excessively hot conditions\u003c\/li\u003e\n\u003cli\u003eNot intended as a standalone solution against severe water ingress or hydrostatic pressure\u003c\/li\u003e\n\u003cli\u003eUse a suitable cavity drainage system where significant water ingress is present\u003c\/li\u003e\n\u003cli\u003eProvide adequate ventilation during installation and while the adhesive and plaster are curing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eStorage\u003c\/h4\u003e\n\n\u003cp\u003eStore the roll upright and under cover in a clean, dry location. Protect it from damp, excessive heat, flames and other sources of ignition.\u003c\/p\u003e","brand":"BIOKIL.","offers":[{"title":"Default Title","offer_id":54423042883921,"sku":"BFM1215","price":174.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/3903\/0865\/files\/BIOKIL._BioFlex_Membrane_34724835-9b5d-4beb-b894-6d461fc7c7f3.png?v=1785410059","url":"https:\/\/biokilcrown.co.uk\/products\/biokil-bioflex-membrane","provider":"BIOKIL.","version":"1.0","type":"link"}