Structural Heads

Structural Heads

These units contain a post-tensioned stainless steel element. They will support loads as indicated in the table. It is essential that this loads is in one direction and that the head is laid so that the orientation is correct.

Additional requirement:

  • The maximum lengths shown cannot be exceeded
  • Structural Heads cannot be CUT, GROUND, DRILLED or CHASED under any circumstances under any circumstances. Please advise of special requirements at the time of ordering as these may be accomodated in the casting process.
  • Structural Heads must be installed with the top uppermost.
  • Structural Heads must be used wit a 150mm bearing.

Please allow an extra 2 weeks for Structural Heads above standard availability for full curing to take place.

All Forticrete products are CE marked where appropriate.

Rectangular Structural Head

Structural heads must be used with a 150mm bearing.

Chamfered Structural Head

Structural heads must be used with a 150mm bearing.

Cosmetic Keystone K1/K2/3

Structural heads must be used with a 150mm bearing.

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Are fixings provided for Cast Stone products?

Some Forticrete dressings will incorporate 100mm dovetail slots to restrain lateral movement in vertical units i.e. window jambs, door jambs, etc. All Forticrete copings are supplied with a suitable fixing. Other positional fixings may be provided in items such as window surrounds. Other inserts or anchor slots can be incorporated at the request of the specifier/designer.

Can Cast Stone items be cut or drilled in site?

We would advise not to cut Cast Stone items over 600mm long as they will have one or more steel bars inserted for handling purposes. There is a risk that any cutting or drilling may result in the drill piece or blade making contact with the steel bar and shattering not only the cutting blade but the unit as well. Forticrete can incorporate any holes or dowels at the manufacturing stage. Prior consultation should be sought with the Technical department regarding this.

Can Cast Stone items be repaired?

Yes, but this depends on the size of repair. For small chips up to 25mm in diameter, it is possible to repair these, although it is always likely to be visible. A bag of repair mix can be obtained by speaking to the Customer Services office. We also provide a Technical Information Sheet outlining the process for conducting the repair.

Can the Decorative Heads accept any loadings from masonry above?

No, all Decorative Heads should be used together with a supporting or relieving lintel.

How far apart should control joints be in Cast Stone Ashlar Blocks?

As a general guide movement control joints should be no further apart than at 6m centres. For any further technical information please contact Forticrete Customer Services on 01909 775000.

How should Stooled Cills be bedded?

Stooled cills should be mortar bedded at the ends only during construction and then the remaining joint pointed with a flexible sealant after construction.

I am using Cast Stone Decorative Heads, how can these be supported?

If the Decorative Head is one piece then a relieving lintel placed over the head is preferred with a soft joint between the Head and steel lintel. If the Head is in two or more parts then it is necessary to have a supporting lintel on which the units can sit.

I do not see a Cast Stone item that meets my requirements?

If the item you require is not available within our Cast Stone Dressings Standard Products - then please send us a sketch of the item required to or call our Customer Service Department on 01909 775000.