Does SprayCork Crack, Peel, or Degrade Over Time?

before and after spray cork application on a cracked render

Quick Answer: SprayCork is designed to remain flexible and resist cracking or peeling when properly installed. Failures typically stem from poor substrate preparation or incorrect application rather than the material itself. Coating failures are a common worry when homeowners think about external wall finishes. SprayCork is built for flexibility and weather resistance, but like any […]

Is SprayCork Resistant to Mould and Mildew?

Quick Answer: SprayCork helps reduce mould and mildew risk through breathable, moisture-regulating properties and thermal improvement, but it won’t fix structural damp or eliminate existing mould without proper treatment. Mould grows where moisture meets cold surfaces, and UK homes see plenty of both. SprayCork can genuinely help by letting walls breathe, stabilising surface temperatures, and […]

House Feels Cold With Heating On? It’s Not Just the Thermostat

house feels cold with heating on

Quick Answer: Your house feels cold because external walls continuously draw heat out through poor insulation and thermal bridging, not because your heating system is broken or your thermostat is wrong. Heating’s on, radiators are hot, yet the house still feels freezing. The problem isn’t your boiler or thermostat, it’s your walls. Cold external walls […]

Why Wall Paint Peels or Bubbles – And How to Fix It Long Term

flaking wall paint

Quick Answer: Paint bubbles and peels when moisture gets trapped behind non-breathable paint films, creating pressure that forces the coating away from walls. Repainting without fixing moisture sources just repeats the cycle. It has nothing to do with paint quality or your technique. It’s that trapped moisture fighting its way out through the only exit […]

How Spray Cork Handles Frost and Freeze-Thaw Cycles in the UK

spray cork during winter

Quick Answer: Freeze-thaw cycles damage UK walls through 9% water expansion when frozen. Cork’s cellular structure (40 million cells/cm³) resists this through 95% flexibility recovery, hydrophobic properties, and breathable moisture blocking. Hidden threats damage millions of UK homes every winter. Freeze-thaw cycles silently crack walls, compromise insulation, and cost homeowners thousands in repairs. Government data […]

Spray Cork vs Spray Foam Insulation: Which is Best for UK Homes?

spraycork

Spray foam creates mortgage problems and moisture trapping in UK homes. Cork spray offers breathable, moisture-safe thermal improvement without resale risks, ideal for older solid-wall properties. Millions of UK homes need better insulation, but the wrong choice costs thousands or stops sales. Spray foam causes mortgage rejections, moisture damage, and £3,200 removal costs. Official government […]

How Thick Is Sprayed Cork and What Does the Finish Look Like?

sprayCork Applicator

Sprayed cork is typically applied 2-5mm thick (averaging 3-4mm) in two coats. The finish has a subtle orange-peel texture with visible cork particles, creating a modern, uniform appearance similar to premium render. Sprayed cork offers a modern solution for property owners seeking durable, attractive wall coatings. This natural material combines granulated cork with water-based resin […]

Can You Render Over Pebbledash or Brickwork?

pebbledash and brickwork

Yes, you can render over pebbledash and brickwork with SprayCork, which adheres better to textured surfaces than traditional render. It’s flexible, breathable, offers thermal insulation, and lasts 25+ years with minimal maintenance. https://greencork.co.uk/wp-content/uploads/2025/11/spraycork-application-on-an-old-painted-brickwork-.mp4#t=,27 Thousands of UK homes still feature pebbledash or aged brickwork exteriors that look tired and dated. If you’re wondering whether to refresh […]

What Surfaces Can You Apply Spray Cork To? Complete Insulation Guide

spraying cork insulation

Spray cork adheres to most building surfaces, including brick, concrete, plaster, metal, timber, and some roof materials, offering eco-friendly insulation that reduces energy costs while managing moisture effectively. https://greencork.co.uk/wp-content/uploads/2025/10/Surfaces-That-Spray-Cork-Can-be-applied.mp4#t=,8 Spray cork offers a versatile, eco-friendly insulation solution for homeowners and building professionals looking to improve thermal performance and reduce energy costs. This natural material provides […]

How Does Spray Cork Compare to Traditional Insulation Materials?

Thin Internal Wall Insulation

Spray cork offers superior breathability, eco-friendliness, and seamless application compared to traditional insulation, though it provides moderate thermal performance. Best used complementarily with bulk insulation rather than as a standalone solution. When investing in exterior wall finishes, durability is a top concern for property owners. Spray Cork has emerged as a popular choice due to […]