Anchillaries
Permatie
The strength of a raft of Permavoid units is not only determined by the strength of the units but depends on the strength of the joints in between the units too. The Polypropene PermaTies are designed to be slightly conical so they pull the individual units tightly together to form a rigid raft. For the Permavoid 150 two ties per joint over the full depth are used (one inserted from each side), where for the Permavoid 85 and 85S one PermaTie per joint suffices. The PermaTies are white, so during installation one can easily spot where one is missing.
Product specs & downloads
Size l x w x h 47 x 37 x 74 mm |
Color White |
Size m2 |
Material Polypropene (copo) |
Weight approx. 35 g |
Material description Frost resistant, hydrofoob, inert, acid and hydrocarbon resistant, impervious to bacterial and fungal growth |
Coefficient of lineair thermal expansion 0,0004 - 0,0008 m/m K |
Recyled / virgin Recycled |
Volumetrix void ratio |
Lifespan > 50 years |
Perforated surface ratio |
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