{"product_id":"akfix-805-gap-filler-polyurethane-expanding-foam-sealant-12-pack","title":"Akfix 805 Gap Filler Polyurethane Expanding Foam Sealant - 12 Pack","description":"\u003cp\u003eOur review of the Akfix 805 Gap Filler finds it best suited to DIYers and trade pros who need a waterproof, fast-curing foam for filling windows, doors and common building penetrations. The single-component, moisture-curing polyurethane in the 12-pack delivers rigid, over-paintable foam that bonds to most construction substrates, and the included straw adapter makes targeted application possible; the main reason to buy is dependable adhesion and a quick 3-5 minute tack time that lets jobs move forward without long waits.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle-component formulation:\u003c\/strong\u003e The foam expands and cures without mixing, simplifying application for both small repairs and larger sealing tasks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoisture-curing action:\u003c\/strong\u003e Cures reliably in damp conditions so gaps around window and door frames seal even in less-than-ideal environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded straw adapter:\u003c\/strong\u003e The straw allows more precise dispensing into joints, cavities and around pipes, reducing waste when used carefully.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof and paintable:\u003c\/strong\u003e Once cured the foam is waterproof and can be trimmed, shaped and painted for a finished appearance in indoor or outdoor work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOzone-friendly propellant:\u003c\/strong\u003e The aerosol does not use propellant gases harmful to the ozone layer, addressing environmental concerns during use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUL certified safety:\u003c\/strong\u003e The product meets UL standards, which provides an added level of manufacturing and safety assurance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe Akfix 805 is ideal for homeowners tackling weatherproofing around \u003cstrong\u003ewindow and door frames\u003c\/strong\u003e, builders sealing service penetrations, and DIYers filling larger gaps and cavities where a rigid, paintable result is wanted. The 12-pack format suits small contractors or anyone who plans to do multiple jobs over time and needs a consistent supply.\u003c\/p\u003e\n\u003cp\u003eThose who need ultra-precise spray control or have limited experience with aerosol foams may want to test a single can first; some buyers report variable sprayability that can make dispensing a little difficult until users become familiar with the trigger pressure and technique.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eStrong adhesion to most building materials provides a durable seal for gaps and penetrations.\u003c\/li\u003e\n\u003cli\u003eFast tack and cure times let work continue within minutes and full cure in about 24 hours for trimming and painting.\u003c\/li\u003e\n\u003cli\u003eWaterproof and paintable finish is practical for both interior and exterior applications.\u003c\/li\u003e\n\u003cli\u003e12-can pack gives value and consistency for multiple jobs or professional use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSprayability can be inconsistent; some users find the can difficult to control without practice.\u003c\/li\u003e\n\u003cli\u003eWill not adhere to polyethylene, Teflon, silicone or oily\/contaminated surfaces, requiring surface prep or alternative products for those materials.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003ePolyurethane expanding foam sealant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003e12 cans, 12 oz each\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCuring\u003c\/td\u003e\n\u003ctd\u003eMoisture-curing; tack in 3-5 minutes, full cure ~24 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication areas\u003c\/td\u003e\n\u003ctd\u003eWindow and door frames, gaps, joints, cavities, pipes, electrical outlets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eWaterproof and paintable when cured\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage\u003c\/td\u003e\n\u003ctd\u003eStore vertical; avoid \u0026gt;50 C; keep between +5 C and +25 C for best shelf life\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety\u003c\/td\u003e\n\u003ctd\u003eUL certified; harmful by inhalation, use ventilation and PPE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Akfix 805 Gap Filler is a practical, cost-effective choice for sealing and insulating work where a rigid, paintable foam is required; it suits homeowners and small contractors doing repeated jobs thanks to the 12-pack. It is not perfect for every surface and takes some practice to control the spray, but where adhesion, waterproofing and a quick cure matter, it offers solid value and reliable results.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow long until the foam can be trimmed?\u003c\/strong\u003e\u003cbr\u003eThe foam has a tack time of 3-5 minutes and can be trimmed and shaped after about 24 hours when fully cured.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat surfaces will the foam not stick to?\u003c\/strong\u003e\u003cbr\u003eIt will not adhere to polyethylene, Teflon, silicone or surfaces contaminated with oils, greases or mold release agents; those surfaces need special prep or a different product.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it safe to use indoors?\u003c\/strong\u003e\u003cbr\u003eUse only in well-ventilated areas and wear gloves, eye protection and protective clothing because the spray can irritate eyes, skin and the respiratory system.\u003c\/p\u003e","brand":"Akfix","offers":[{"title":"Default Title","offer_id":48257066303707,"sku":"B0BM9HHL1V","price":53.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/512bg4w5ZlL._SL1000.jpg?v=1778289980","url":"https:\/\/gearmusthave.com\/products\/akfix-805-gap-filler-polyurethane-expanding-foam-sealant-12-pack","provider":"GearMustHave","version":"1.0","type":"link"}