In what substrates do U-HYBRID®- anchor? U-HYBRID®-anchors work in virtually all substrates like masonry, aerated blocks and concrete.
Is it allowed to pre-drill a slanting hole? Of course a slanted hole may be pre-drilled, as long as the diameter corresponds to recommendations.
What is special with a U-HYBRID®-Anchor? This anchor can be used in dry (mechanical) and wet (hybrid) condition.
Does the pre-drilled hole need to be cleaned? In masonry, aerated blocks and concrete the bore should be either blown out or brushed for use with resin. Better performance is achieved if brushed and blown out.
What is the difference between U-HYBRID®Anchors and standard ones? Either you have a mechanical or a bonded anchor. Both types of fasteners have their advantages and disadvantages. A combination of both type of fasteners is new to the market. All advantages from both types have been combined to a single fastener. U-HYBRID®-Anchors can be commonly used for all heavy duty fixings in concrete and masonry. Do U-HYBRID®-Anchors have a better pull-out performance? Compared to a standard Sleeve-Anchor and Bonded-Anchor, U-HYBRID®-Anchors generate almost 30-50% more pull-out performance in concrete or masonry. What happens, if a pre-drilled diameter is to large? In case a pre-drilled diameter does not correspond to recommendations, functionality of the U-HYBRID®-Anchor is no longer guaranteed.
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In concrete, what might happen if the hole is not cleaned? In concrete two different effects may occur. First, the debris will make the Anchor get stuck. If stuck, you risk to snap the head off, or the Anchor itself will break. Second, the debris will prevent a bonding effect with the walls of the bore. Chemical bonding happens between debris and anchor, but not between anchor and walls of bore. Is it allowed to reuse an Anchor within the same hole a couple of times? It is strictly forbidden to reuse the same bore a couple of times. In case a U-HYBRID®-Anchor is used more than once, the Anchor will act like a rasper and destroy the walls of the bore. By doing this, all guaranteed performance of the Anchor is gone. There will be any longer the designed functionality. If a UHybrid® is used in combination with resin, it is impossible to remove the anchor.