TRENCHBLOCK T&G 355MM 440X215 3.6N GRAB 1.5M2 PK

SKU
JPA-50013285

TRENCHBLOCK T&G 355MM 440 × 215 3.6N GRAB 15PK


The Thermalite Aircrete Trenchblock 3.6 Tongue & Groove is a lightweight yet high-strength foundation block engineered for use below ground level. Designed to deliver reliable load-bearing performance, it also helps reduce heat loss at the base of walls, supporting more energy-efficient construction.

Its tongue and groove edges enable fast, accurate installation with minimal mortar, making it an excellent choice for both residential and commercial foundation projects.


Product Features / Specifications

  • Tongue & Groove profile for accurate alignment
  • Lightweight aircrete construction
  • High load-bearing capacity
  • Excellent thermal insulation properties
  • Designed for trench fill and foundation use
  • Supplied in grab packs of 15 blocks


Product Benefits

Faster Installation: Tongue and groove joints eliminate the need for vertical mortar joints (perpends), reducing laying time and material usage.

High Performance: Offers excellent thermal insulation, helping to reduce heat loss and lower CO₂ emissions throughout the building’s lifespan.

Versatile Construction Solution: Suitable for cavity wall replacement, reducing the requirement for wall ties and additional concrete.

Structural Reliability: Manufactured to a compressive strength of 3.6N/mm², providing dependable support for load-bearing walls.

Ease of Handling: Built-in handholds improve on-site handling, making installation quicker and safer.


Applications and Versatility

  • Foundation and trench fill applications
  • Load-bearing wall construction
  • Residential housing projects
  • Commercial and industrial builds
  • Energy-efficient building designs
  • Lightweight construction ensures easy handling on site, while thermal insulation performance supports improved building efficiency. The tongue and groove design allows for quick alignment and reduced mortar use.


Features & Benefits List

  • Lightweight yet strong aircrete block
  • Tongue & Groove system for faster build times
  • Reduces mortar consumption
  • Improves thermal efficiency at ground level
  • Easy to handle with integrated handholds
  • Ideal for modern foundation construction


Technical Specifications

  • Compressive Strength: 3.6N/mm²
  • Block Type: Aircrete Trenchblock
  • Profile: Tongue & Groove
  • Dimensions (Face): 440mm × 215mm
  • Width: 355mm
  • Pack Quantity: 15 blocks
  • Use: Below ground / foundation applications


Additional Information:

We offer convenient and flexible delivery options to suit every project:

Van delivery for smaller orders - HIAB crane lorry for larger or bulk deliveries - Site delivery available on request

If you need delivery before the estimated date, please contact us and we’ll do our best to arrange an earlier slot.


For more information, please contact either

Oldham on 0161 633 1264

Agecroft on 0161 383 6400

Rochdale on 01706 656 980

Or email us at [email protected]


£70.20 £58.50
/ Price Per Square Metre
 
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TRENCHBLOCK T&G 355MM 440 × 215 3.6N GRAB 15PK


The Thermalite Aircrete Trenchblock 3.6 Tongue & Groove is a lightweight yet high-strength foundation block engineered for use below ground level. Designed to deliver reliable load-bearing performance, it also helps reduce heat loss at the base of walls, supporting more energy-efficient construction.

Its tongue and groove edges enable fast, accurate installation with minimal mortar, making it an excellent choice for both residential and commercial foundation projects.


Product Features / Specifications

  • Tongue & Groove profile for accurate alignment
  • Lightweight aircrete construction
  • High load-bearing capacity
  • Excellent thermal insulation properties
  • Designed for trench fill and foundation use
  • Supplied in grab packs of 15 blocks


Product Benefits

Faster Installation: Tongue and groove joints eliminate the need for vertical mortar joints (perpends), reducing laying time and material usage.

High Performance: Offers excellent thermal insulation, helping to reduce heat loss and lower CO₂ emissions throughout the building’s lifespan.

Versatile Construction Solution: Suitable for cavity wall replacement, reducing the requirement for wall ties and additional concrete.

Structural Reliability: Manufactured to a compressive strength of 3.6N/mm², providing dependable support for load-bearing walls.

Ease of Handling: Built-in handholds improve on-site handling, making installation quicker and safer.


Applications and Versatility

  • Foundation and trench fill applications
  • Load-bearing wall construction
  • Residential housing projects
  • Commercial and industrial builds
  • Energy-efficient building designs
  • Lightweight construction ensures easy handling on site, while thermal insulation performance supports improved building efficiency. The tongue and groove design allows for quick alignment and reduced mortar use.


Features & Benefits List

  • Lightweight yet strong aircrete block
  • Tongue & Groove system for faster build times
  • Reduces mortar consumption
  • Improves thermal efficiency at ground level
  • Easy to handle with integrated handholds
  • Ideal for modern foundation construction


Technical Specifications

  • Compressive Strength: 3.6N/mm²
  • Block Type: Aircrete Trenchblock
  • Profile: Tongue & Groove
  • Dimensions (Face): 440mm × 215mm
  • Width: 355mm
  • Pack Quantity: 15 blocks
  • Use: Below ground / foundation applications


Additional Information:

We offer convenient and flexible delivery options to suit every project:

Van delivery for smaller orders - HIAB crane lorry for larger or bulk deliveries - Site delivery available on request

If you need delivery before the estimated date, please contact us and we’ll do our best to arrange an earlier slot.


For more information, please contact either

Oldham on 0161 633 1264

Agecroft on 0161 383 6400

Rochdale on 01706 656 980

Or email us at [email protected]


Product Files
Features
More Information
Length 440 mm
Height 215 mm
Width 355 mm
Delivery Information

We offer FREE local delivery on all orders over £200.00. For all other orders a 25.00 local delivery charge will apply. We deliver within a 15 mile radius of our depot. (For any distances outside of this radius, please contact your nearest branch and we will be able to accomodate.)

We aim to deliver stocked items usually within 2-3 working days but in busier periods this can sometimes take longer. On receipt of your order we will contact you as soon as possible to advise an intended delivery date, should this delivery date be inconvenient then we will try our best to accommodate a suitable delivery date.

Click & Collect Information

Orders can also be collected from either of our depots. We will contact you by phone or email when your order is ready for collection.

We aim to process your order and have goods ready for collection within the same working day (stocked items only) on all orders placed before 1pm, orders after 1pm will be ready the following working day. In the event of your ordered items being out of stock we will contact you with an estimated lead time on your order.