Quartz FAQs Can Quartz Chip Or Crack What actually causes damage to quartz worktops, how to prevent it and what your repair options are. Get a Quote01234 348590 Home » Quartz FAQs » Can Quartz Chip Or Crack PM Precious Marble Team Quartz worktop specialists in Bedford with over 15 years of fabrication and installation […]
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Quartz FAQs Can Quartz Be Used Outdoors Why quartz is not recommended for outdoor kitchens and which materials work better in the UK climate. Get a Quote01234 348590 Home » Quartz FAQs » Can Quartz Be Used Outdoors PM Precious Marble Team Quartz worktop specialists in Bedford with over 15 years of fabrication and installation […]
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Quartz FAQs Can Quartz Chip Or Crack What actually causes damage to quartz worktops, how to prevent it and what your repair options are. Get a Quote01234 348590 Home » Quartz FAQs » Can Quartz Chip Or Crack PM Precious Marble Team Quartz worktop specialists in Bedford with over 15 years of fabrication and installation […]
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Quartz FAQs Can Quartz Be Used Outdoors Why quartz is not recommended for outdoor kitchens and which materials work better in the UK climate. Get a Quote01234 348590 Home » Quartz FAQs » Can Quartz Be Used Outdoors PM Precious Marble Team Quartz worktop specialists in Bedford with over 15 years of fabrication and installation […]
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Can quartz worktops chip or crack? Learn what causes damage, how to prevent it and what to do if it happens. Expert advice from Precious Marble.
When you are investing thousands of pounds in a worktop the thought of it chipping or cracking is understandably concerning. The good news is that quartz is one of the most damage-resistant materials you can put in a kitchen. Chips and cracks are genuinely rare when the worktop is properly installed and used as intended.
At Precious Marble we have installed thousands of quartz worktops across Bedfordshire over the past 15 years. The number of callback requests for chipping or cracking is extremely low. When damage does occur there is almost always a clear cause. This guide explains what those causes are and how to avoid them.
How Tough Is Quartz Really
Quartz is an engineered stone made from approximately 90-94% ground natural quartz crystals. Quartz mineral is one of the hardest naturally occurring materials on the planet scoring 7 on the Mohs hardness scale. For context diamonds score 10, steel scores around 4.5 and granite scores 6 to 7.
7
Mohs hardness rating
<2%
Callback rate for damage in 15 years
25+
Year lifespan without structural issues
90%+
Natural quartz crystal content
The combination of hard quartz crystals and flexible polymer resin creates a material that is both incredibly hard and slightly flexible. This flexibility is important. A completely rigid material is more prone to cracking under sudden impact. The resin gives quartz just enough flex to absorb minor shocks without fracturing.
What Causes Quartz to Chip
Chipping is the more common of the two types of damage. It almost always occurs at edges and corners rather than on the flat surface area. Here are the most common causes we see.
Impact on exposed edges
Dropping a heavy cast-iron pan, a ceramic casserole dish or a glass bottle onto the exposed edge of a quartz worktop is the most common cause of chipping. The corners of the worktop where two edges meet are the most vulnerable points. This type of damage is identical to what would happen with granite or marble under the same impact.
Impact around cut-outs
The edges of sink and hob cut-outs are thinner sections of quartz. A heavy item dropped into the sink that hits the exposed quartz edge can cause a chip. This is relatively uncommon. When it happens it is usually at the corner of the cut-out where the material is most narrow.
Transportation and installation damage
Chips can occur during delivery or fitting if the slab is not handled carefully. Reputable installers use specialist carrying equipment and protective edge guards to prevent this. Any damage that occurs during installation should be flagged immediately and resolved by the installer before sign-off.
What Causes Quartz to Crack
Cracking is far less common than chipping. When it does occur it is typically caused by one of these factors:
Unsupported overhangs. If a section of quartz extends beyond the cabinet support without adequate reinforcement the weight of the overhang plus any downward pressure (someone leaning on it) can create a stress fracture. Overhangs beyond 300mm typically need support brackets or corbels.
Uneven cabinets. If the cabinets beneath the worktop are not level or if there are gaps in the support the quartz can flex under pressure and crack at the unsupported point. This is an installation issue not a material defect.
Thermal shock. Placing a very hot pan directly from a high flame onto a cold quartz surface creates a sudden temperature differential. In extreme cases this can cause a stress crack radiating from the point of contact. Using trivets eliminates this risk entirely.
Structural settling. In new-build properties the building can settle over time. If the kitchen structure moves or shifts after the worktop is fitted this can create stress on the quartz that leads to cracking. This is extremely rare and is a building issue rather than a worktop issue.
Key point
In our 15 years of installing quartz worktops across Bedfordshire the vast majority of cracking issues we have been called to investigate were caused by inadequate support underneath the slab rather than by the homeowner’s use of the surface. Proper installation is the single most important factor in preventing cracks.
How to Prevent Chips and Cracks
Choose a reputable installer. Proper installation with level cabinets and adequate support is the foundation. A skilled installer ensures the slab is fully supported along its entire length with no gaps or flex points.
Support overhangs. Any overhang greater than 300mm should have support brackets. Breakfast bars and island overhangs are common areas where this matters.
Be careful at edges. Avoid dropping heavy objects near the edges and corners of the worktop. Take extra care when loading and unloading heavy items from the oven or dishwasher near exposed edges.
Always use trivets. Hot pans placed on trivets or heat mats eliminate the risk of thermal shock cracking entirely.
Choose a rounded edge profile. A bullnose or pencil round edge is more chip-resistant than a sharp square edge because it has no vulnerable 90-degree corner.
Precious Marble – Bedford
Professional Installation That Prevents Problems
Our in-house fitting teams ensure every slab is fully supported and perfectly level. Get a free quote and let us handle the installation properly from the start.
If the worst does happen the good news is that quartz damage can usually be repaired without replacing the entire worktop.
Small chips (under 10mm)
Repaired with colour-matched epoxy resin. A professional fills the chip, allows it to cure and polishes it smooth. Cost: £80-£150.
Result: barely visible
Larger chips or hairline cracks
Filled with colour-matched resin and polished. Larger repairs may require more time and skill. Cost: £150-£400.
Result: visible on close inspection
For structural cracks that run across the slab the repair options are more limited. A professional can stabilise the crack to prevent it spreading. In severe cases a section of the worktop may need to be replaced. This is extremely rare with properly installed quartz.
At Precious Marble we take installation quality seriously because we know it is the best way to prevent problems down the line. If you want the peace of mind of a professional installation we supply and fit quartz worktops in Bedford with in-house teams who know the product inside out.
For more answers to common questions about quartz durability and care browse our full Quartz FAQ’s section.
Frequently Asked Questions
Is it common for quartz to chip or crack?
No. Quartz is one of the most chip-resistant and crack-resistant worktop materials available. Damage is rare and almost always caused by heavy impact on an unsupported edge or by improper installation. Normal kitchen use will not cause chipping or cracking.
What causes quartz to chip?
The most common cause of chipping is impact damage on exposed edges or corners. Dropping a heavy ceramic dish, cast-iron pan or glass bottle onto the edge of the worktop can chip the quartz. The flat surface area is extremely resistant to chipping under normal use.
Can a chipped quartz worktop be repaired?
Yes. Small chips can be repaired using a colour-matched epoxy resin. A skilled stone restorer can fill and polish the repair so it is barely visible. Larger chips or cracks may require a section replacement. The cost of chip repair is typically between 80 and 200 pounds.
Does quartz crack from heat?
Extreme thermal shock can cause cracking in rare cases. This would involve placing a very hot pan directly from a high flame onto a cold quartz surface. The sudden temperature differential can stress the slab. Using trivets eliminates this risk entirely.
This article is part of our growing Quartz FAQs hub where we answer the most common questions Bedford homeowners ask about quartz worktops. If you cannot find the answer you need feel free to call us on 01234 348590 or email info@preciousmarble.co.uk.
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Can you use quartz worktops outdoors? Find out why quartz is not suitable for outdoor kitchens and what alternatives work better in the UK climate.
Outdoor kitchens are becoming increasingly popular in the UK. As homeowners invest in garden entertaining spaces the question of which worktop material to use comes up frequently. Quartz is the go-to choice for indoor kitchens so it is natural to wonder whether it works outdoors too.
The answer is clear: quartz should not be used in outdoor settings. This is not a marketing opinion. It is a material science limitation. We always recommend alternative materials for outdoor projects and in this guide we explain why.
Why Quartz Cannot Handle Outdoor Conditions
The issue comes down to the resin component. Quartz worktops are made from approximately 90-94% natural quartz crystals bound together with 6-10% polymer resin. The quartz mineral itself is one of the hardest and most durable materials on earth. The resin is the weak link when it comes to outdoor exposure.
UV radiation. Prolonged exposure to direct sunlight degrades the polymer resin over time. The UV rays break down the molecular bonds in the resin causing it to yellow, discolour and become brittle. This process is gradual. You may not notice it in the first year. Over two to three years of outdoor exposure the effects become clearly visible.
Temperature extremes. The UK climate may seem mild compared to other countries. The temperature difference between a hot summer afternoon and a cold winter night can still exceed 40 degrees Celsius. Quartz and its resin expand and contract at different rates when exposed to these fluctuations. Over time this creates internal stress that can lead to cracking or warping.
Moisture exposure. While quartz is non-porous and handles indoor splashes without any issue prolonged outdoor exposure to rain, frost and standing water is a different matter. Water can penetrate seams and edges over time and freeze-thaw cycles in winter can exploit any weakness in the slab.
What Happens to Quartz Outdoors
If you were to install quartz in an outdoor kitchen here is what you would realistically see over time:
1yr
After 1 year
Subtle colour shift may begin particularly on darker colours. The surface may start to feel slightly different in areas that receive the most direct sunlight. Most homeowners would not notice significant changes at this stage.
2-3
After 2-3 years
Visible colour fading and possible yellowing of the resin particularly in sun-exposed areas. The surface may develop an uneven appearance where some areas have faded more than others. The finish may start to feel rougher as the resin surface degrades.
5+
After 5+ years
Significant degradation of the resin binder. The surface may become chalky or powdery in areas. Structural cracking is possible particularly around cut-outs and edges where thermal stress concentrates. At this point the worktop would need replacing.
What About Covered Outdoor Areas
This is a common follow-up question. If the quartz is under a pergola, canopy or fully covered outdoor kitchen does that make it safe?
A full roof that blocks all direct sunlight reduces the UV risk significantly. The temperature fluctuation issue remains. Even in a covered outdoor area the ambient temperature swings between seasons are far greater than indoors. Most quartz manufacturers still specifically exclude covered outdoor areas from their warranty coverage.
Our advice is straightforward: if the space is truly enclosed with walls, a roof and heating (essentially a conservatory or garden room) then quartz is fine. If it is open to the elements in any way we recommend an alternative material.
Better Materials for Outdoor Kitchens
Several materials handle outdoor conditions far better than quartz. Here is how they compare for outdoor use specifically.
Material
UV Resistant
Frost Resistant
Maintenance
Granite
Excellent
Excellent
Annual sealing
Porcelain
Excellent
Excellent
None
Dekton
Excellent
Excellent
None
Slate
Good
Good
Periodic sealing
Quartz
Poor
Poor
N/A (not suitable)
For outdoor kitchens in Bedford and Bedfordshire we typically recommend granite as the first choice. It handles the UK climate without any issues and it shares many of the qualities that make quartz popular indoors: durability, heat resistance and a premium look. The only additional requirement is annual sealing which takes about 20 minutes.
Porcelain slabs are also an excellent outdoor option. They are completely UV-stable, frost-resistant and require zero maintenance. They are available in a wide range of stone-look designs that rival the aesthetics of natural stone.
Precious Marble – Bedford
Need a Worktop for Your Indoor Kitchen?
While quartz is not suitable outdoors it is the ideal choice for your indoor kitchen. Get a free quote and explore our full range at the Elstow showroom.
For your indoor kitchen quartz remains one of the best materials available. Our team supplies and installs quartz worktops in Bedford and we also work with granite and porcelain for outdoor projects.
For more answers to common quartz questions browse our full Quartz FAQ’s section.
Frequently Asked Questions
Why can’t quartz be used outdoors?
Quartz contains polymer resins that are sensitive to prolonged UV exposure and extreme temperature fluctuations. Outdoor conditions cause the resin to degrade over time leading to colour fading, surface discolouration and potential warping. Quartz manufacturers do not warranty their products for outdoor use.
What happens if I put quartz outside?
Over months and years of outdoor exposure you will see gradual colour fading particularly on darker shades. The surface may develop a yellowish tinge. Extreme temperature changes between hot summer days and cold winter nights can stress the slab and in severe cases cause cracking.
What is the best worktop material for an outdoor kitchen?
Granite, porcelain and natural slate are the best options for outdoor kitchens. Granite is the most popular choice because it handles UV exposure, temperature extremes and moisture without degradation. Porcelain slabs are also excellent for outdoor use and available in a wide range of designs.
Can quartz be used in a covered outdoor area?
A fully covered area with no direct sunlight exposure reduces the risk of UV damage. However the temperature fluctuations of outdoor environments still pose a risk to the resin. Most manufacturers still will not warranty quartz in covered outdoor settings. We recommend using granite or porcelain instead.
This article is part of our growing Quartz FAQs hub where we answer the most common questions Bedford homeowners ask about quartz worktops. If you cannot find the answer you need feel free to call us on 01234 348590 or email info@preciousmarble.co.uk.
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