Collapsible Rubber Screw

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June 28th, 2009 admin Leave a comment Go to comments

Collapsible Rubber Screw

Types of Plastic Fixings for Hollow Surfaces

It is always tricky to install fixings on thin and hollow surfaces, like walls with a plasterboard drywall or a hardboard wall, which are only tacked onto the actual wall by being glued or being nailed onto studs. Builders are always advised to drill the holes into the support of the wall itself, but even finding where the support is can be problematic at times. Thus, there is a need for special fixings that can allow us to mount objects on thin walls and hollow surfaces without damaging the wall itself.

Many of these fixings designed for hollow surfaces are made of plastic. That is because plastic is durable, easy to work with, and do not cause that much of an impact upon a thin wall. There are many types of these plastic fixings and below is a list of the more common ones.

They also have a lip that stays on the outer surface of the wall so that the screw head will remain flat against the surface.

The advantage of rubber sleeves is that they do not need to be replaced in case the screw needs to be removed. They also come in various sizes, and often with their own screws. However, with rubber sleeves, you need to be absolutely sure that the hole you drilled is just the right width. Otherwise, the rubber sleeve will twist around when you put the screw in.

They also mould against the reverse side of the hollow wall when the screw is inserted.

The main difference between plastic collapsible plugs and rubber sleeves is that the plastic collapsible plugs are less flexible and less durable. They need to be replaced every time the screw is removed.

For this plug to work, the screw has to be turned inside at least twice, and then gently pushed in for the legs of the plug to spread.

Plastic spread plugs are quite durable and flexible. The only disadvantage with it is that when it is already used and the screw has to be removed, it has to be replaced. That is because it latches onto the screw and falls out of the hole in the wall.

Remember that you have to be absolutely careful when installing through bolts in thin and hollow walls. You do not need to use force or hammer action with your power drill to create holes in putting in these through bolts . If you do, you will end up damaging the wall.

About the Author

Do you need more information on the right kind of fixings for your walls and mounts? You can find a few tips and tricks at http://www.jgpfixings.co.uk

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