Here you'll find information on fastening elements for wire ropes. This includes: rope grips, clips, clamps, thimble eyes (thimbles), rings, turnbuckles, and other accessories. FassadenGrün favors 'healthy minimalism' when it comes to mounting systems. For this reason we do not use tensioners (turnbuckles) in our trellis kits, but prefer to tension the ropes by hand. Here, you will learn here when it makes sense to use a certain part. You can find detailed Information about each part on the respective product sheets.
Rope clamps are robust but very simple components; they are usually not used with fine architectural cables. We use them with our 'easy' construction design (easy kit). For 2mm cables, we use simplex terminals, which are simple and inexpensive. For 3 and 4mm rope, we recommend classic wire rope grips/clamps, which generate high clamping forces (very secure) with minimal installation effort and cost. They are already included in our pre-assembled kits. The decorative ovoid (egg shaped) clamps are particularly good for use in or near playgrounds-- the smooth, rounded form minimises risk of injury. They require, however, an additional rope tensioning device or turnbuckle because the two rope strands cannot be tightened against each other. The additional use of thimbles with 3 and 4mm rope is functional and aesthetically pleasing, but not essential. Before mounting in eyebolts or similar, the small thimble eyes must be opened; or, you can order our already-open thimble eyes for a slightly higher price.
Upon request, you can also order, as an alternative to cable clamps, inexpensive metal sleeves (similar to the Nicopress ferrule) for 3 and 4mm. This method of fastening requires a special crimping tool/pliers; once fixed, the sleeve cannot be removed.
At FassadenGrün, we prefer to avoid the use of tensioners and turnbuckles, and favour tightening cables by hand. In exceptional cases, as with cable systems like 0040 and 0010 (sometimes also 0050), or generally when very long cables are spanned, a turnbuckle is useful. Tensioners are screwed far apart before assembly, then fastened with the assistance of two cable clamps, then screwed on to tighten the cable segment.
We offer two types of tensioners, both of which can be used with 3 mm and 4 mm ropes: 1. rope tensioners or 'turnbuckles' with open sleeves and 2. 'shroud tensioners' with closed sleeves. The individual sizes fit different rope diameters. The first group (including SP 05160) is less expensive and made of stainless steel V2A; the second group (including turnbuckle SP 06190) is more attractive, and the tightened state can be permanently fixed with a lock nut; loosening of the rope tension through movements by wind, etc., is then not possible. SP 08280 is suitable for particularly heavy or massive applications. The GS wire tensioner SP 03000 is a special case, used rather for re-tensioning already mounted cables up to 3 mm in diameter.
Load-relieving springs SF 02530 are recommended only in exceptional cases, e.g. when it is already clear that an anchoring (plugging/dowelling) will not provide the required holding values with regard to transverse forces (approx. 250 kg with 3 mm rope). This can be the case with very loose, soft masonry as well as with clay building-materials. Additional cable clamps (grips) will be required for the mounting.