Airtight tape is arguably the most important aspect of creating a passive heating environment. This is because you can plan and purchase pre-fabricated insulated materials and glazing, and you can assemble the structure to an excellent degree of precision, but even then you are going to have gaps. You can make significant time and financial investments but if you use the wrong tape, you’re going to run into trouble. If not before handover, then in later stages or after completion. You can view full range of airtight products.
We all know it’s best to ensure sound airtightness is solid before interior work begins in earnest. Nobody wants to be in the position of dismantling or tearing down costly, newly constructed interiors ” least of all for the sake of replacing a layer of sealing tape. And issues during airtightness testing can be time-consuming when you have other projects on the pipeline. In order to prevent this, we recommend using the highest quality seals on the market.
Airtight Tape: Alfa Joint Sealing Tape BG1
Alfa Joint Sealing Tape BG1 is designed to meet BG1 according to DIN 18542. It is for sealing gaps and connection joints. In particular it’s good for airtight sealing of windows, facades, timer metal and roof constructions. It bonds on one side and is composed of impregnated, pre-compressed foam. This is a high-grade tap that allows for breathability. It is suitable for interior and exterior use, is flame retardant to BA standard and is driving rainproof to 600 PA.
641 ALFA ULTRA-I POWER
641 Alfa Fultra-I Power is a vapour-retarding window membrane designed for rapid airtight sealing. It is suitable for interior connection joints around windows and doors. This tape is meant for ease of use. To achieve this, it’s created with an adhesive coated underside and silicone paper which is separated in the centre. While you can add additional adhesive for peace of mind, it shouldn’t be necessary with this tape. The added advantage to this is that you don’t risk visual blemishes on a door or window frame which can sometimes occur when using glue. The adhesive bonds to all types of door and window frames. With high elasticity, this tape can handle movement over time without issues. To complement this interior seal you can use 642 Alfa FULTRA-a POWER on the exterior side. This airtight tape will prevent moisture from penetrating the insulation.
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