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01270 629296

Webb House Furnishers

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Product Information

The Thornton is part of the Sealy Posturepedic Elevate Ultra collection which offers a wonderfully refreshing, all encompassing sleep. Featuring patented AlignSupport™ springs, to provide support like no other - unique from head to toe. Together with their precisely engineered UniCased® XT and ComfortCore™, the mattresses in this collection promise unrivalled comfort, support and durability.

The Thornton Medium mattress sits in the middle of the Elevate Ultra trio, offering a medium feel. The AlignSupport™ spring system is at the heart of the mattress, with Sealy’s patented UniCased® XT and some of their most premium comfort layers to deliver genuine support that everyone can feel, and the true comfort that everyone deserves.

The AlignSupport system senses your individual shape as you rest into the mattress, followed by an instant response that applies deep-down, consistent support. UniCased® XT works in unison with Sealy’s patented spring system, encompassing the entire edge to create greater stability and allow you to sleep right up to the very edge.

The MemorySense™ ComfortCore™, placed in the centre third of the mattress, targets the heaviest parts of your body such as your hips and lower back. Together with the gel-infused comfort layer, it offers pressure relief to the areas of your body that need it most. The Gel layer also offers breathability in abundance, allowing air to circulate through the mattress easily and regulating your temperature as you sleep. Topped with a deep layer of Sealy Medium foam for a sumptuous feel.

SmarTex™ is designed to wick away moisture to regulate your sleep climate, whilst ProShield® keeps allergens at bay.

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Sizes & Features

All measurements are approximate.


  • AlignSupport
  • Medium Support
  • UniCased XT
  • Comfort Core
  • SmarTex
  • Pro Shield
  • Handmade in the UK
  • 7 Year Guarantee


Thornton Mattress
by Sealy

  • Feel Options: Medium
  • Foam Fillings
  • Spring Type: Open Coil Springs
  • Mattress Depth: 31cm

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Additional products from the Thornton range

Thornton Divan Bed
by Sealy 

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Julie Griffiths
5 months ago
5 stars
When it comes to quality at a great price Webb House is hard to beat, service and product knowledge is exceptional.

Phil Roberts
2 years ago
5 stars
We bought a bed from Webbs and the service was excellent. We believe good to support local businesses and Webbs offered us a deal as good as a discount large outlet. Use local shops or lose them.

Monica Thomas
4 months ago
5 stars
Purchased table and chairs from Webb House Furnishers. Wrong base for table arrived. The service we received from Webb was exemplary. They went above and beyond to sort out are problem. In this day an [read more]d age when service is hard to come by Webb deserves an award for care and attention. Nothing was too much trouble and I will have no hesitation in using this company again. Carry on the good work. Hard to come by these days.