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Thread: Sinking into asphalt

  1. Print this Post   #1
    Senior Member
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    Sinking into asphalt

    Hoping you can help.


    Given:
    - never intend to move cyclone now parked on asphalt
    - however asphalt getting depressed at wheels and jacks about 1 inch after 18 months
    - have just added much larger (surface area) cement blocks under jacks so now Iím more worried about tire sinking
    Asking:


    Is there any problem now in lifting unit enough to take some weight off tires?
    suggestions for what to place under wheels?

    should I lift unit once a year and rotate tires?

  2. Print this Post   #2
    Senior Member Fox's Avatar
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    Re: Sinking into asphalt

    If I was parked on asphalt and concerned about sinking I would move the camper a foot or three and brace the points of contact with some concrete pads, including pads for the tires.

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    Senior Member avvidclif's Avatar
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    Re: Sinking into asphalt

    If I were to never plan on moving it the tires would be in storage and the frame sitting on concrete blocks, like a mobile home.
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  4. Print this Post   #4
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    Re: Sinking into asphalt

    Our driveway/blacktop was orig installed in '95 or so and parking of heavy vehicles truck (RV added in '05), it too developed depressions. Last year we had the d-way re-done and all they did for the low spots was add additional blacktop to the low spots before main re-surface was done. I've placed 3/4" PT plywood (cut 2' wide x 4' long) doubled up under tires, and 2"x12"x18" (4 each under front 4 legs---2 boards screwed together w/ handle which makes up the 4 boards if this makes sense). And a year later, I've notice small depressions yet again. IMO, the only real way to not have any is concrete under all points of contact. Hope this helps/makes sense.

  5. Print this Post   #5
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    Re: Sinking into asphalt

    rv jack pad.JPGI'm afraid that because of zoning issues, I have to keep the tires on the RV to differentiate it from a mobile home although I do not own a tow vehicle.

    Hoping that the asphalt and gravel below will compress to a static point. I will jack up the tires and fill in the depression before lowering the tires back down onto something with a greater surface area.

    The photo shows the former 1" patio block and the new 4x8x16 concrete jack support.

  6. Print this Post   #6
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    Re: Sinking into asphalt

    I agree that you should put more surface area under both the jacks and the tires. I use 12x12" plywood and it works fine. Here is something else you may want to consider. Be careful about parking tires directly on hot top---the oil in the tar can eat into your tires--I always put something under tires when parked on hot top. If the RV is level I just use some vehicle floor mats to put something between tar and tires.
    al
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