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Applications for wood screws in the above-rafter insulation are, for example, the connection of a 30 mm thick support lath to a 40 mm thick counter lath (1) with a T-FAST® JW2-STR-4.0x70/42 wood screw with countersunk head (right), for example in areas with increased wind suction loads, or the attachment of above-rafter insulation (2) with a T-FAST® JW2-STS wood screw with wafer head (left).

As well as the two installation depths of 35 or 40 mm for multiple fastening, a third installation depth of 55 mm can now be used for single fastening.

By building the TEC CENTER with a “Passivhaus character” and these raw materials, it has accomplished the increased KfW 40 requirements for funding with CO2 neutral operating.

The TEC CENTER with "passive house character" thus fulfils the increased KFW 40 subsidy standards which require CO2 neutrality in operation.

A complete system for renovation The KERI system Advantages of the KERI system Excellent rated values for transverse and flexural strength due to the structural shape of the anchor for a small minimum number of anchors No temperature restrictions in installation, as it is a purely mechanical system – without mortar Long-term safety and longevity, no signs of fatigue due to the exclusive use of stainless steel components Fire behaviour according to building material category A1 "non-combustible", as without flammable components Processing: only one drilling diameter of 42.5 mm throughout is necessary Less noise and vibrations compared to the hammer drilling process through the use of core dri ...

The surface temperature of the substrate to be glued (window or door frame) must be at least +5 °C and must not exceed +40 °C during the adhesive test. A concealed spot of the window is recommended.

But so far, Germany has fallen far short of its targets: the goal of 40 percent less greenhouse gas emissions compared to 1990, which was actually already set for 2020, was not achieved in 2021 either.

The advantages of the JZ5 at a glance Higher strength of the material – the harder steel tip of the 2 component self-tapping screw can also penetrate harder materials and thus form a thread significantly better in high-strength steel constructions Replacement of screws with a smaller diameter, e.g. during renovation Reliable watertight sealing through ethylene propylene-diene rubber The JZ5-6.3 is ideally suited for applications with little space where a drill point cannot be used (e.g. HTU rails) Specifications A2 stainless steel with hardened thread-forming zone Sealing washer made of zinc-plated steel or stainless steel with vulcanised elastomer is highly weather- and UV-resi ...