EJOT TOP Performer at BAU 2017
From 16 to 21 January 2017 the BAU trade show is held in Munich, it is the largest trade fair for architects and engineers world wide. EJOT Construction Fasteners from Bad Laasphe is also on site, to present the latest fastening technology products at the most important meeting place of the building industry.
Under the motto „TOP Performer in every Element” EJOT welcomes the visitors from all around the world at their stand 326 in hall B2. Five different subject areas on more than 170 square meters present the opportunity to learn about the latest technological highlights.
Amendment to the flat roof fastener approval
In the flat roof area EJOT has amended the European Technical Approval for fasteners for roof waterproofing systems. The approval contains a number of new roof screws and a sheet metal stress plate with pre-assembled wood screw. Overall, the amendment of the approval more than triples the possible product combinations, which results in a very high application flexibility.
One fits all: metal profile fastening system FP for flat roofs
As a special highlight EJOT presents a new metal rail fastening system for mechanic fixing of roofing membranes. The flexurally rigid metal section with alu-zinc coating features three different hole diameters. This results in many different fastening possibilities with roof screws and classic self-drilling screws, also in combination with a special plastic tube washers. Special feature: The average hole diameter allows the profile to be fixed with frame anchors, which allows an approved application in the area of wall connections on the roof parapet. The EJOT metal profile fastening system is the only flat roof rail offering one solution for all applications.
(Metal rail fastening system for mechanic fixing of roofing membranes to all substrates. Image: EJOT)
Two pros for sandwich panels
With the issue of the general building authorities approval Z-14.4-779 the EJOT Super-Saphir self-drilling screw JT3-18-5,5xL and the EJOFAST wood screw JF3-6,8xL are now part of the most efficient products for sandwich mounting on steel or wood substructures. Both are bi-met screws made of stainless steel with a welded drill point made of galvanic zinc-plated steel.
Until to now thicker steel substrate had to be pre-drilled with a conventional HSS twist drill, for the subsequent fastening of a self-tapping screw. With the approved JT3-18-5.5xL and a steel material thickness of up to 16mm this is not necessary anymore, because the EJOT Super-Saphir self-drilling screw performs these two work steps all in one. For the application this means highly efficient work: time saving, less material wear, less effort.
For wood substrates the EJOFAST wood screw JF3-6.8xL is recommended. Due to its innovative point geometry it penetrates the sandwich panel quickly, without swarf and safely and can then be fastened into the wooden substructure without pre-drilling The natural split behaviour of the wood fibres during the fastening process is effectively reduced by a special friction zone. A perfectly balanced ratio of the thread geometry allows an extremely high force transmission and excellent holding properties in the wood.
(Left: EJOT® SUPER-SAPHIR self-drilling screw JT3-18-5.5 for fixing sandwich panels to metal substructures with a total drilling performance of 18mm. Right: EJOFAST® wood screw JF3-6.8 for fixing sandwich panels to timber substructures. Image: EJOT)
Floating point and fixed point specialists for rear ventilated facades
Substructures of rear ventilated facades consist of of various individual elements that need to be securely and effectively anchored with the building as well as with each other. Floating point fixings are characteristic for rear ventilated facades. Their task is to enable stress-free thermally induced elongation of the different materials. If cladding panels are fastened directly onto the support profile, either rivets or facade panel screws are used. As with the substructures, the linear expansion of the facade panels must also be considered with fixed and floating points.
EJOT has developed a fastening system which ensures optimum fastening of the cladding panels with plastic sleeves specifically matched to the screws. At first, the plastic sleeves are pressed into the drill holes of the facade panels. Part of the product range are sleeves for panel thicknesses of two, four and eight millimetres. There is one version each for floating and for fixed points, that can be distinguished from one another in colour. Another advantage of the plastic sleeves is a flange on which the screw rests. This way the facade panel cannot scratch in case of thermal movements.
The system also contains three screw versions for substructures made of aluminium, timber or steel. The very flat and yet broad head with a diameter of 16 mm is optimally suited to cover slotted holes or larger pre-drilling diameters and it also gives the facade an aesthetic exterior.
The fastening system is rounded-off with a fastening tool, the LT tool, which prevents running out of the screw and thus possible scratching of the facade panel.
(From left to right: EJOT® fixed and floating point sleeves / LT screws for aluminium, steel and timber substructures / LT tool. Image: EJOT)
Reliable fixing of attachments to ETICS facades
The Iso family – this is how EJOT named its product group for fixing attachments to External Thermal Insulation Composite Systems -has grown by a building authorities approved fastening system.
In addition to the Iso-Spiral and the Iso-Dart, the two products for retro-fitting of light to medium heavy attachments, the solution for heavy attachments has now followed: The EJOT Iso-Corner. This installation angle made of PU hard foam for the reduction of thermal bridges through thermal uncoupling, is the perfect solution for the planned installation of medium heavy to heavy attachments, such as railing, lanyard rails, hinged and sliding shutters as well as consoles for air conditioners.
The Iso Corner has two mounting surfaces for a variable fixing position with up to two attachment points. For approval relevant applications the special screw EJOT Delta-PT is used for fixing the add-on part. The Delta-PT screw is used in the automotive industry and has been proven a million times over for direct fastening into plastic.
Attachments can be directly fixed to the angle with the Delta-PT, additional aids or work steps are not required.
Three fastening kits are available, which have been attuned to the respective substrates and they guarantee reliable fastening in every building material.
The Iso-Corner is available in three lengths and it can be shortened for the respective insulation thickness after installation of the ETIC system. The advantage over conventional mounting elements is that time-consuming rework such as grinding or filling of the angle is not necessary. In addition, the Iso-Corner protects the environment because it can be fastened before the ETIC system is installed. There is no additional effort resulting from mounting holes subsequently cut into the insulation.
(Left: Two mounting surfaces of the Iso-Corner for variable fixing points. Right: Iso-Corner. Image: EJOT)
About EJOT Construction Fasteners
Part of the EJOT Group, headquartered in Bad Berleburg in Germany, are medium-sized businesses from the fastening technology industry including EJOT Baubefestigungen GmbH, headquartered in Bad Laasphe. The EJOT Group was founded in 1922 as a screw manufacturer and today various subsidiaries and sales offices are located in over 30 countries. Also part of the group is the Industrial Division, which focuses on the automotive and the electrical industry.
All activities of the EJOT Group, regarding development and sales of high-quality fastening solutions for the construction industry, are combined in the Construction Division. The products are manufactured in the same plants that are certified for the highest quality standards of the international automotive industry.