Celcon High Strength Grade

High Strength Grade blocks are used principally where higher compressive strengths are required, such as in the foundations and lower storeys of three and four storey buildings, piers under high vertical loads and in multi-storey buildings.

BIM library

Please note clicking the link will redirect you the National BIM Library, an external website.

View on National BIM Library
High Strength Grade Block sample

Product applications

  • Inner leaf of cavity walls
  • External leaf of cavity walls
  • Solid walls
  • Separating walls
  • Flanking walls
  • Partitions
  • Multi storey buildings
  • Foundations/Below ground level (DPC)
  • Beam and block floors

Product specifications

Compressive Strength
7.3N/mm2
Thermal Conductivity
0.18/mK
Density
730kg/m2
Widths
100mm to 355mm

PDF FILES

Products and Applications Guide 2023
Designing & Building with Aircrete 2020
EPD Generic Autoclaved Aerated Concrete Block.pdf
BBA Cert 05_4275 All Grades Floor infill Sep 2022
Technical Update 2022-01 (Part L 2021)
H+H datasheet - PACK INFORMATION 2023
H+H datasheet - CELCON BLOCKS 2023
H+H datasheet - HIGH & SUPER STRENGTH 2023
H+H datasheet - FOUNDATION BLOCKS 2023
H+H datasheet - COURSING UNIT 2023
TSD01 Fire resistance (Aug 2021)
TSD02 Accommodation of Masonry Movement (Dec 2013)
TSD03 Characteristic strength of masonry (Aug 2014)
TSD04 U-Values (Jan 2023)
TSD05 Typical Specification Clauses (Aug 2021)
TSD20 Fixings (Dec 2013)
TSD43 Weights of Celcon Blocks (Aug 2021)
TSD44 Internal Plaster (Dec 2013)
TSD45 External Render (Dec 2013)
TSD57 Sound and Robust Details (Sep 2016)
TSD62 Mortar Yields (Aug 2021)
TSD84 Product Safety Data - Blocks (July 2019)
Download Here
High Strength
Code: N
High Strength Grade Block sample
Current documents
UKCA
UKCA - NCP100 - 01a UKCA - NCP140 - 01a UKCA - NCP150 - 01a UKCA - NDD325 - 01 UKCA - NFC275 - 01 UKCA - NFC300 - 01 UKCA - NFC355 - 01 UKCA - NGP100 - 01 UKCA - NGP140 - 01 UKCA - NGP150 - 01 UKCA - NGP200 - 01 UKCA - NKP100 - 01 UKCA - NKP140 - 01 UKCA - NRC100 - 01 UKCA - NRC140-01 UKCA - NRC215 - 01

Looking for archived documents, including CE and DoP Certificates?

 View Archive
UKCA
UKCA - NCP100 - 01 UKCA - NCP140 - 01a UKCA - NCP150 - 01
CE Certificates
High Strength NF-NR Plus Block - NG Jumbo Bloks NK Multi Plates NY Coursing Units - NCP
DoP Certificates
High Strength 003d High Strength NRS100-120-016a Coursing Units - 007d High Strength 003c High Strength 003b High Strength 003a High Strength 003 Coursing Units - 007c Coursing Units - 007b Coursing Units - 007a Coursing Units - 007

Product related case studies

View more case studies

Compare products

Specifications
High Strength Grade Block sample
High Strength Grade Blocks
 
Solar Grade Block sample
Solar Grade Blocks
FIND OUT MORE
Standard Grade Block sample
Standard Grade Blocks
FIND OUT MORE
Super Strength Grade Block sample
Super Strength Grade Blocks
FIND OUT MORE
Compressive Strength
7.3N/mm2
2.9N/mm2
3.6N/mm2
8.7N/mm2
Thermal Conductivity
0.18/mK
0.11 W/mK
0.15 W/mK
0.18W/mK
Density
730kg/m2
460 kg/m3
600 kg/m3
730kg/m3
Applications
Inner leaf of cavity walls
✓
✓
✓
✓
External leaf of cavity walls
✓
✓
✓
✓
Solid walls
✓
✓
✓
✓
Separating walls
✓
✗
✓
✓
Flanking walls
✓
✓
✓
✓
Partitions
✓
✓
✓
✓
Multi storey buildings
Recommended
✗
✓
Recommended
Foundations/Below ground level (DPC)
✓
✓
✓
✓
Beam and block floors
✓
✗
✓
✓