Construction Blog

Fastening advices for experts

  • lackierte Schrauben

    The colourful world of fasteners

    In industrial lightweight construction the buildings are not only erected as pure functional structures anymore. More and more builders opt for an architecturally sophisticated design of production sites, sales halls or high rack warehouses.


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  • Bolzenanker BA-Plus-Reihe

    The new through bolt generation is here!

    Higher load values, faster processing, better performance: EJOT has developed the so-called BA series in the field of metal anchors. The product engineers have developed a completely new design for the through bolts, ...


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  • JBS-R/EcoTek

    For slope insulation, a correspondingly long fastener is required for each insulation thickness. The simple and economical alternative is the adjustable flat roof fastener JBS-R/EcoTek.


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  • ISO-Team Befestigungslösungen

    The Iso-Team – Fastening solutions for attachments

    With the Iso Team, EJOT has compiled a product group for the planned and subsequent fastening of attachments to ETICS facades which offer a solution to all fastening problems.


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  • Produktabbildung Edelstahl-SAPHIR Bohrschraube

    Faster self-drilling screws for thicker wall brackets

    The specifications for an optimal building insulation are increasingly tightened by the legislator. Building owners must use thicker insulating materials on the facade in order to meet increasing energy requirements.


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  • Verdübelung von Wärmedämmverbundsystemen

    Practical advice for the perfect fixing of ETICS

    A clean drill hole is the only way the anchor can fulfil its function optimally in the External Thermal Insulation Composite System. Therefore, a thorough evaluation of the substrate is inevitable.


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  • How do I read an approval?

    Products for the building industry are regulated in public law. This is done through standards, documents and examinations. If something is not regulated, you need a replacement: the approval.


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  • Dübelschrauben in der Fassade

    Advice: Using zinc-plated anchor screws in the facade

    It is no secret, but many contractors do not know it: Anchor screws made of zinc-plated steel may also be used outdoors and offer an economic alternative to stainless steel screws.


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  • How a self-drilling screw is produced

    Everyone knows EJOT self-drilling screws. But how are they actually produced?


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  • Reliable crown fixing with ORKAN storm washers

    Sandwich panels and metal sections for industrial lightweight construction are usually fixed to the crown or the valley flange of the respective substructure. Self-drilling screws or self-tapping screws are used as fastening elements.


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  • Installation process - how to install a facade anchor correctly

    Learn here how the installation of a facade anchor works.


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  • The anchor primer - facade anchors for timber and metal attachments

    For the structural fastening of facade substructures, there are various types of facade anchors. Generally, the specifier decides which facade anchors are to be used. Nevertheless...


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  • Facade anchors with M8 threaded connection

    Rear-ventilated facades offer a multitude of design possibilities to architects and are becoming increasingly popular. The buildings feature an aesthetic, technically safe functioning and largely maintenance-free facade. A look at the substructure...


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  • EJOFAST system for for side lap stitching

    The system EJOFAST combines the effective processing with the optimum geometric properties of the chipless EJOFAST screw generation. This makes the assembly of upper and lower shell child's play.


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  • What is ... the clamp thickness?

    What is clamp thickness and how is it calculated for self-drilling screws?


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  • What is ... the drilling performance?

    The drilling performance of a screw refers to the drill point and defines the maximum thickness of components which can be penetrated with this drill point.


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  • 16 mm-thick steel: self-drilling screw vs. self-tapping screw

    The EJOT SUPER SAPHIR self-drilling screw JT3-18-5.5xL can penetrate 16 mm-thick steel with breathtaking speed. It drills a hole and ...


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  • What is... a thread protection sleeve?

    Self-drilling screws with conventional cutting bit are tapered. Our EJOFAST screws are even significantly sharper. This causes a risk of injury for people.


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  • Errors during the construction phase with serious consequences

    Falling parts can endanger human lives. The cause is the so-called hydrogen-induced brittle fracture, which often occurs with a time lag after installation.


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  • LIEBIG anchors

    The long-established brand for heavy-duty fixing is now part of the EJOT Group which caters for selected market segments of the building industry with special fastening and anchoring products. As of now, you can...


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  • Through bolt installation errors

    Depending on the respective approval, through bolts are suitable for embedment in cracked and non-cracked concrete. Through bolts work by driving a steel bolt into the substrate.


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  • Screw jargon

    What does the designation JT2-6-5.5×25-E16 actually stand for? Or JT3-FR-2H-4.8×19-E11-9006? What is the difference between a JT2, a JT3 or a JT4 screw?


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