MATERIALS AND EFFECTS: NATURAL STONE SET IN STONE
Steve Vanhinsbergh of stoneCIRCLE, a British stonemasonry business of 50 years, takes us through the major points to consider when choosing natural stone for a project.
The term natural stone is broad, covering a multitude of different types of stone which look very different and have different properties. So, perhaps the most important thing to consider when thinking about using natural stone in a project is which type of stone to choose.
The first thing to think about is the position of the installation – is it outdoors? In which case, a granite or harder limestone, such as the Jura Beige or Blue might be more appropriate than a marble that could potentially erode more quickly, depending on its exposure to weather and pollution. The other thing here is, of course, the setting – if the project is an external one in Bath, then Bath Stone is probably the only type of stone that you will be allowed to use. In parts of central London, Portland Stone is a must for architectural purposes, whereas in other areas, or for monuments or artwork, you will have more freedom to choose.
of stone for the project and suggest alternatives that will fit the brief and budget.”
“A good stonemason will be able to advise on choosing the right type
If it is to be installed indoors, what is the potential wear and tear? Will it be on the floor or used as a worktop, what will the cleaning regime be and is it likely to have food, wine or chemicals spilt on it on a daily basis?
If it is for use as a work surface in a kitchen, then granite would be the obvious choice as this is extremely hardwearing. Marble can be, and is, used for kitchen countertops but is more likely to be stained and etched by the acid in food, so more care is needed to prevent spillages and clean them up promptly. The future owner must also appreciate and like the fact that the countertop will wear and develop a patina, rather than staying pristine. It is for this reason that marble and the softer limestones are more often used in bathrooms and as internal floor tiles in areas where there is less traffic. Staircases and fireplaces are also often produced in marble or limestone, although granite is a good alternative where load-bearing considerations are not a problem. Pools and spas often use marble or limestone, although care needs to be taken if they are used in the tank where too much chlorine or salt in the water can damage the stone over time.
Next, there is obviously the look – does the client want a showstopper as a focal piece for the room? Heavily veined marbles and granites, or if budget permits, quartzite or onyx come in a stunning variety of patterns and colours which are guaranteed to have the sought-after wow factor. Book matching, where two slabs from the same block are used side by side so that the veins meet and mirror each other, is also very in vogue currently and can be used to striking effect.
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Or, is something subtler called for to give a beautiful backdrop to a luxurious room? In this case, limestones with small fossil inclusions, “quieter” marbles with less contrast in the veining, and subtly speckled granites are more suitable.
One of the major considerations for a natural stone installation is the stonemason that will fabricate the stone and install it. A good stonemason will be able to advise on choosing the right type of stone for the project and suggest alternatives that will fit the brief and budget. They will source stone from reputable quarries where the workforce is employed ethically and the quality is right.
A modern stonemasonry factory should use a mix of the latest CNC equipped machines for cutting and carving, combined with hand finishing where necessary for the project. Waterjet cutters are also essential for producing inlaid work precisely and at a reasonable cost.
Dealing with a UK stonemasonry company takes the pain out of trying to negotiate with a non-native speaker of English, avoiding misunderstandings, and gives proximity to market, cutting down on the transport costs of the finished items. It also gives certainty with regard to the finished price as the stonemason will be quoting and invoicing in sterling, unlike his foreign counterparts who will almost always use either US dollars or euros.
Natural stone is a variable material and it is always recommended that you inspect the stone that will be used before it is cut to ensure that you are happy with the colour and the look of the veining. This is made easier by the use of a UK stonemason, allowing you to avoid the need to make a foreign trip.
In most cases, the stonemason will also install the fabricated stone- although, if you are employing a stone contractor, they may do the installation and contract out the fabrication to a stonemasonry factory. In the former case, a UK stonemason makes good sense, in the latter, the stone contractor will probably be using a UK fabricator anyway.
www.stone-circle.com About Steve
Steve is one of the two brothers and directors who run stoneCIRCLE, which is based in Basingstoke. The factory has all of the latest technology, such as a 5-axes machine, waterjet cutters and Slabsmith vein matching technology. The team works from 3D files to produce excellent quality stone masonry products and has worked on many prestigious and award-winning projects, both directly for the architect or client and as a sub-contractor for the major stone contractors.
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