H+H Celcon Standard Foundation Aerated Concrete Block - 440 x 215 x 355mm

The H+H Celcon Standard Foundation Aerated Concrete Block is a versatile and durable solution for ...

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H+H Celcon Standard Foundation Aerated Concrete Block 440 x 215 x 355mm 3.6N

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Travis PerkinsH+H Celcon Standard Foundation Aerated Concrete Block 440 x 215 x 355mm 3.6N

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BradfordsH+H Standard Celcon Aircrete Foundation Block 440 X 215 X 355Mm (Sfc355/30)

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Product Information

Full details

The H+H Celcon Standard Foundation Aerated Concrete Block is an ideal choice for professional builders and contractors seeking a robust, thermal-efficient solution for residential structures up to three stories high. These blocks offer a significant advantage by reducing manual labor due to their lightweight composition while maintaining excellent durability and structural integrity; however, users should note that as an aerated concrete product, they require specific handling techniques compared to standard dense aggregate blocks.

All features

Model Part Number	815553
Brand	H+H

Extended Product Information

FAQs

Can these blocks be used below the damp-proof course?

Yes, these blocks are suitable for use below the damp-proof course due to their freeze and thaw resistance.

What is the maximum building height for these blocks?

These blocks are engineered to support structures up to three stories in height.

Do I need lean mix fill with these blocks?

No, one of the primary benefits of this system is that it eliminates the need for lean mix fill.

How do these compare to dense aggregate blocks in terms of weight?

They weigh approximately one-third of the weight of an equivalent dense aggregate block.

Are they suitable for cavity wall construction?

Yes, they are compatible with both cavity and solid wall construction methods.

Troubleshooting

Blocks chipping during transit or installation

Ensure they are palletized correctly and use mechanical lifting equipment where possible instead of dragging them.

Mortar not bonding correctly

Check that the block surfaces are clean and slightly dampened if the weather is exceptionally hot and dry to ensure proper hydration of the mortar.

Pros and Cons

Pros

Significantly lighter than traditional dense aggregate blocks
Provides inherent thermal insulation properties
Suitable for both above and below ground applications
Reduces overall construction time and material complexity
Excellent resistance to freeze-thaw cycles

Cons

Requires careful handling due to the nature of aerated concrete
Not intended for structures exceeding three stories
Specific mortar compatibility should be verified

Setup, Compatibility & Care

When installing the H+H Celcon Standard blocks, ensure that the substrate is level and free of debris. Due to their dimensions of 440 x 215 x 355mm, they are optimized for standard masonry workflows. While they do not require lean mix fill, it is essential to follow local building codes regarding mortar strength and thickness to maintain the structural rating. For storage, keep the blocks palletized and protected from excessive moisture or physical impact until they are ready for installation to prevent chipping of the aerated material edges.