Thermalite Trenchblock Hi-Strength 7.3kn T&G 440 x 215 x 355mm

  • High thermal & sound insulation 
  • T & G saves time and mortar for perpends
  • Light easy to cut & handle for quick installation 
  • High compressive strength
  • Range of strengths & sizes
  • Good fire & moisture resistance

Big Project?

If your building project requires any large amounts of Thermalite products, use our bulk materials quote in the link above, email us directly or give us a call to find out our allocation availability and very best prices.

£10.39 per Unit(s)
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  • Distribution Depot: 28
  • St Columb: 0


The Thermalite Brand has been synonymous with the building industry for around 70 years.

Offering a wide range of quality, easy to handle products which include a variety of sizes and strengths including tongue & groove options.

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