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Nora,my three lengths of decking cost me a tenner,the problem with twin axles is that it is not possible to fit a plastic ramp between the two axles as there is not enough space between the tyres.

   doug

as requested

Quote: Originally posted by tango55 on 22/11/2012

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Anyone wanting to make levelling ramps from timber are best using plywood the same way that michael has done. Ordinary lengths of plank will actually do the job but the grain goes all one way which in time can weather and warp but plywood is constructed differently because each thin sheet layer of timber is bonded and compressed together with the grain in opposite directions which provides extra strength and less chance of warping over time. Also if you finally give the ramp a few coats of exterior (not interior) varnish this will help to seal the surface thus avoiding absorbing any wet moisture you get on the ground. Some may consider that's it's a lot of work just for a ramp but if you want it to last for many years to come then the more you put into it the more you get out. For a long term solution you could also make a pair (if space permits for storage) and use them alternately so you have a twin life span plus it's also handy to carry a spare. They are also useful if you have a puncture on your caravan too as you can pull the caravan up the ramp with the towcar which then gives a greater clearance underneath for accessing the lifting jack so the ramps can a purpose than just using them to level the caravan on uneven ground.

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Roulston ,Michael's ramp is ideal for a single axle but I dont think it would work on  a twin,looksvery proffesional michael

  doug

Quote: Originally posted by pamanddoug on 27/11/2012

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Roulston ,Michael's ramp is ideal for a single axle but I dont think it would work on  a twin,looksvery proffesional michael

  doug

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looking at this i think the layers of ply wood would be built as so

http://www.milenco.com/products/levelling-ramps/milenco-quattro-level-pair/

                                                    _____________top layer of ply length base of two tyres

                            _______________________________________2nd ply

             ________________________________________________________3rd ply

 _____________________________________________________________________

4th ply layer

Thanks again Michael

Myself and my 10year old son had great fun making this over the weekend. He did'nt let me dirll in one single screw.Must say he did a brilliant job.