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Granite Worktops is an investment that will stand up to the test of time!
Granite is definitely the worktop material that over shadows the others when it comes to durability as it is one of the world’s toughest and hardest materials, this has obvious benefits especially in a busy home or family also there is no single piece of granite that looks the same which will give your worktop the feel of uniqueness, but it is important to remember that granite is a natural products and there is no granite fabricator that can insure the consistency of colour through the entire worktop surface.
What are the positive and negative attributes of Granite?
Positive Attributes of Granite Worktops:
Heat and scratch resistant.
One of the hardest natural materials on earth.
Polished gloss finish.
Solid all the way through the materials thickness.
High impact resistance.
Best material for under mounted and Belfast sinks.
Unique in character due to it being a natural product.
Negative attributes of Granite Worktops:
Cannot achieve seamless joints
Extremely heavy, units might require additional support
Material cannot be cut longer than 3000mm in length, due to products weight and structural integrity.
Below is our extensive range of granite colours available, to get the most competitive quote and best service in the UK simply use the instant online quote calculator or email us your plan/specifications to email@example.com.
Granite Worktops Technical Specifications:
Formed millions of years ago, granite is one of the hardest substances on earth, rating 7 on Mohs hardness scale.
Granite joints are finished with a small ariss to the top edge. Silicone sealant is applied to prevent water ingression.
Typically, a Granite worktop will be joined together with a Butt-Corner Joint for simplicity, material economy, and cost savings. To avoid sharp edges, this joint has a v-groove indentation on the surface.
Tolerance in granite is ±2mm
Due to thermal expansion granite can expand up to 1mm per metre. A gap of at least 3mm should be left at each end of the worktop when fitted and filled with decorators caulk. When granite is joined to other materials (such as glass, steel or wood) an elastic type of adhesive, for example polyurethane, is required for expansion.
Overhangs and supports
Any overhang extending more than 300mm must be supported.
Hob and Sink cutouts
Granite sink / hob cut outs are barred front & back (fitting of steel support bars to give additional support to cutouts), Without steel supports bars, the length of a cut out is reduced considerably. Large cut outs need to be scored and cored on occasions. This leaves the corners of the cutout in place, ready for removal on-site by the installer. Granite is susceptible to ‘blowing out’.
This occurs when contact is made with the material whilst cutting or grinding. This is very common in large particled granite. ie. we fill and seal the affected areas with epoxy resin (colour may vary) to ensure the material is not left with any sharp edges or ‘chips’.
Slips (kit form) around sink and hob cutouts are fitted in certain circumstances, if tops are too long and depending upon type and size of cutout etc.
- A minimum of 120mm is required between two hob cutout.
- A minimum of 100mm is required between hob and sink cutouts.
- A minimum of 70mm is required between two sink cutouts.
- Sink cutouts are placed a minimum 50mm from the worktop front edge.
Internal profile edges on all edge detail other than bevel edge must have a radius of at least 60mm. Bevel edges don’t have this constraint as they are hand finished.
Upstands should ideally be 100mm high, as material less than this height is extremely fragile. Upstands are not normally cut from the same slab as the worksurfaces, therefore an exact colour match is not possible. Granite upstands are straight and rigid, gaps will be visible where there are variations in the wall profile. Plastering or tiling should ideally be completed after the worksurface installation.
Granite is highly scratch resistant but not scratch proof. Small scratches of less than 25mm in length are considered ‘within tolerance’ and are considered acceptable.
Although Granite is one of the least absorbent stone’s, it can still be stained by grease, wine, coffee, nicotine, fruit juices and other strongly coloured substances. Granite worksurfaces are sealed upon installation and must be resealed every 6 months. Any spillages must be removed immediately as delay could result in permanent damage.
Stainless Steel Sinks
Please specify the preferred undermounting of Stainless Steel Sinks. Silicone sealant may be rendered ineffective when plumbing the sink in, it is important that the sink is re-sealed by the plumber, or the 12 months guarantee will be invalid if the work is not carried out. If a waste disposal unit is fitted to an undermounted sink after installation, additional support will be required, otherwise your warranty may be invalidated.
Natural Veining & Pitting.
As Granite is a natural stone, pitting and veining will occur in random distribution of swirls. Subtle variations in shade or areas of contrast will also appear within the body of the worksurface. Each piece of Granite is completely unique, with it's own unique veining patterns and frequencies. While our image samples will show veining characteristic of the particular style of Granite, please note that the final piece supplied will not be an exact replica, but will instead have its own unique aesthetic, which may differ from the exact colours or patterns displayed on this website.
Fissures, Blemishes and Natural Flaws
Some level of what could be referred to as spots or blotches are inherent in the material. Small fissures are a common feature in any Granite and these natural flaws were present at the rock formation.
Colour Variation (Drainers)
Drainer grooves and recessed drainers may be duller than the rest of the polished surface. Colour matching is not always possible as granite can vary dramatically throughout each scant. Samples provided should be used as a guide only. We will not accept any colour match issues from material that has come from the same scant.
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