Tumbled yorkstone setts - Wacker problem

Setts and cobbles, tarmac, asphalt, resin systems, concrete whether it's plain, patterned or stencilled, gravels, etc.
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kenny155
Posts: 10
Joined: Thu Aug 14, 2008 9:28 am
Location: Edinburgh

Post: # 31676Post kenny155

Almost finished laying my tumbled yorkstone setts which loks similar to the indian sandstone setts you show on your website.
Not sure whether to use a rubber mat on the wacker. The setts are relatively soft so i guess the rubber mat would be safer.
Is there any disadvantage to using a wacker with a rubber mat fitted.
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TheVictorianCobbleCo
Posts: 207
Joined: Tue Aug 08, 2006 12:57 pm
Location: Cape Town, South Africa
Contact:
Contact TheVictorianCobbleCo

Post: # 31974Post TheVictorianCobbleCo

I'm not sure of the sett you're using, but for uneven concrete cobbles the mat is a must, and start the machine at 25% strength, and then slowly add power. Our cobbles are generally rated at 30 to 40 MPa compressive strength, unless your setts are much weaker (below 25) you should be fine. Just be careful.
W.G.Carter-Smith
http//:victoriancobbles.co.za
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