30th June 2025
ODL Europe has reported a growing number of fabricators and installers choosing its Capstone-engineered GRP door slabs for their proven resistance against bowing, twisting and distorting, especially in high temperatures.
Suzanne Nicholl, Head of Sales and Marketing at ODL Europe, explains: “As soon as the summer heat hits, we hear the same thing from installers – frustration with alternative composite doors that become ‘bent like a banana’. The callbacks and reputational damage that follows is costly. With ODL Europe’s door slabs, those concerns are eliminated thanks to our product’s inherent structural stability.”
She continues: “Some assume LVL thickness alone determines whether a door will stay flat, but that’s only part of the equation. The real difference likes in the door skin. Doors that warp often have a similar internal construction, but inferior GRP skin composition. Ours are manufactured using high-glass-content GRP SMC skins, pressed to exacting standards for superior performance.”
ODL Europe’s composite door slabs feature 2mm thick impact-resistant GRP skins available in both TrueGrain woodgrain and smooth finishes. These skins are bonded to a high specification subframe made from water-resistant pure PVC polymer and reinforced with high-density LVL (minimum 570 kg/m³). The entire structure is assembled with advanced urethane resin adhesives to ensure complete stability and product longevity.
Each slab is manufactured by Capstone Engineering Ltd, one of the world’s largest GRP door producers and exclusively supplied in the UK through ODL Europe. With over 750,000 doors installed annually worldwide, Capstone sets the standard for GRP durability and performance.
The range includes over 30 door styles, both glazed and unglazed, with several designs unique to ODL Europe. Whether fabricators and installers need traditional, contemporary or modern door aesthetics, the collection is developed to reflect current design trends and give customers a clear point of differentiation.
Every slab meets PAS24 security standards, is manufactured under BM Trada Q-Mark certification and benefits from ISO 9001 and ISO 14001 certified processes. Capstone timbers are FSC-certified, ensuring full chain-of-custody sustainability.
Sue concludes: “At ODL Europe, we’re committed to delivering a product that not only looks great but performs consistently whatever the weather. Installers choose our doors because they trust them not to bow or twist, which avoids callbacks and protects their reputation. It’s a powerful advantage for our customers.”
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