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rigid base
 A selction of NBS clauses for laying full setts over a rigid base
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rigid base
Key factors concerning a rigid base
A rigid base means a concrete base.
Concrete is both strong and stiff but it is also flexible.
Both shallow setts and slabs require a strong tensile connection with a concrete base in order to resist heavy traffic loads.
Full setts benefit from having a concrete base, much greater traffic loads can be supported, both from the increased stiffness provided by a concrete base but also from the creation of a strong tensile connection between the underside of the setts and the concrete.
Full setts over a rigid base
The most economical method
NBS Q25 clauses section employing the most economical SteinTec® mortars, for laying shallow setts over a concrete base.  For use where a normal curing time is possible.
Products featured are:
tuffbed 2-pack     (bedding mortar)
tuffbond   (priming/bonding mortar)
tuffgrout   (jointing mortar)