Memory foam

How to compare

The high-quality construction of our products ensures greater security, heat insulation and noise reduction.
Compare the differences between our high-quality products and lower-cost alternatives.

Memory Foam

Memory foam retains its shape again and again



Rubber seal is thinner and liable to degrade

High-quality product

  • Double seals are made from memory foam, offering exceptional performance across a wide temperature range
  • Memory foam retains its original shape – 99% recovery, year after year
  • Seals prevent air leakage and are immune to rot, mould, mildew, UV and ozone
  • Unique construction absorbs sound pollution, improves noise reduction
  • Low operating forces reduce wear and tear, guaranteeing a long operating life

Lower-cost alternative

  • Double seals are made from rubber
  • Rubber tends to shrink and lose its shape
  • Some eventual air leakage is inevitable
  • Less effective noise reduction
  • Shorter operating life

Window Express for:
Replacement Windows, Double Glazing Windows, Triple Glazing Windows, Casement Windows, Sash Windows, Composite Doors, Bi-Fold Doors, Residential u-PVC Doors, Conservatories and more

We cover South London and Kent, including:
Battersea, Beckenham, Bickley, Biggin Hill, Bromley, Catford, Chelsea, Chislehurst, Clapham, Croydon, Crystal Palace, Dulwich, Eltham, Farnborough, Hayes, Kent, Keston, Lewisham, Orpington, Penge, Pratts Bottom, Shortlands, Sidcup, South East London, South London, Swanley, West Wickham.

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