(click on the above picture to zoom in/out)

- Unsafe to apply an expansion bolt or normal chemical anchor bolt into Hollow brick walls (or block walls), as there is no expanding or anchoring point inside the hollow wall to react on and work.

- And plastic anchor is a light duty, too weak to resist wind and heavy load like advertising Billborads around the top building, in addition, it is also aging for a time in use.

- Therefore, a specific chemical anchor bolt designed and produced for this special case is the injection adhesive system branded VMU Plus (made in Germany by MKT) come with "01pc. Threaded rod M10 or M12 + 01pc. Plastic mesch sleeve". This is an ideally safe solution and method for fixing items on hollow walls, such as: Big & heavy advertising Billboards surrounding walls on top of high-rise buildings (as shown on picture above), big wooden  make-up cabinet c/w table on wall, or sanitary wares c/w accessories in toilet, ...

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