Mickt Posted June 17, 2015 Share Posted June 17, 2015 What do you treat the underside with, old engine oil or underseal Link to comment Share on other sites More sharing options...
clifford60 Posted June 17, 2015 Share Posted June 17, 2015 Hi there, The underside of what? If it's the wife, I tend to steer clear these days. Ian Link to comment Share on other sites More sharing options...
StuartO Posted June 17, 2015 Share Posted June 17, 2015 I use waxed oil which comes in 500ml aerosol cans and aim to cover the metal chassis and other vehicle parts, as you would a car. My MH has a plastic underfloor which needs nothing but those with an exposed timber floor should presumably apply a timber preservative. The aerosol cans cost about £8 each and I use four each time for a generous covering. You can get it on EBay. Link to comment Share on other sites More sharing options...
Brian Kirby Posted June 17, 2015 Share Posted June 17, 2015 Suggest you nose around your local Halfords for Waxoyl by Hammerite. If they don't have any, ask, as Halfords do it. It is messy to apply, and will coat the ground beneath the vehicle while being applied, so may create a slip hazard unless you put down some protection. If you do the job yourself, wear old clothes, as you will get plastered. Otherwise, wear some kind of disposable overalls. You need a warm day as the product has to be warm to spray on. Goggles and mask would also be a good idea. You'll also need a spray applicator, various kinds available. You can get 400ml aerosol cans, 2.5 litre cans with a pressure spray as a starter kit (plus instructions), or 5 litre cans. The kit should include a long, flexible, probe that can be used to spray inside hollow box sections. It seems to work. Link to comment Share on other sites More sharing options...
mikethebike Posted June 17, 2015 Share Posted June 17, 2015 Brilliant Clifford (lol) Link to comment Share on other sites More sharing options...
Mickt Posted June 18, 2015 Author Share Posted June 18, 2015 Thanks Brian looks like I may get in a mess Link to comment Share on other sites More sharing options...
lennyhb Posted June 20, 2015 Share Posted June 20, 2015 Be wary if you have an Al-Ko galvanized chassis, Al-Ko state that no treatments should be applied to their chassis. Link to comment Share on other sites More sharing options...
gocro Posted June 24, 2015 Share Posted June 24, 2015 Old engine oil is a carcinogen , and should be avoided when at all possible. Link to comment Share on other sites More sharing options...
Rayjsj Posted June 24, 2015 Share Posted June 24, 2015 gocro - 2015-06-24 9:16 AM Old engine oil is a carcinogen , and should be avoided when at all possible. Wear latex gloves all garage mechanics do these days. My van has a standard Fiat Maxi chassis which is not galvanised, strangely the chassis extension IS ? Old engine oil is as good as anything, and mostly free, but a bit messy to apply ,I could and did do it when I was younger and fitter.I now spray the chassis members with White grease, which I get online from toolstation. Only £3.20 a can. Much easier and is virtually permanent ,stops any rust forming.Ray Link to comment Share on other sites More sharing options...
Charles Posted June 29, 2015 Share Posted June 29, 2015 Rayjsj - 2015-06-24 12:18 PM gocro - 2015-06-24 9:16 AM Old engine oil is a carcinogen , and should be avoided when at all possible. Wear latex gloves all garage mechanics do these days. My van has a standard Fiat Maxi chassis which is not galvanised, strangely the chassis extension IS ? Old engine oil is as good as anything, and mostly free, but a bit messy to apply ,I could and did do it when I was younger and fitter.I now spray the chassis members with White grease, which I get online from toolstation. Only £3.20 a can. Much easier and is virtually permanent ,stops any rust forming.Ray Excellent advice. I used to have a Land Rover and can say from experience that wax oyl is useless and peels off with rust underneath after a year. I did all the usual tricks, warming it up and diluting with white spirit but it just doesn't work. Maybe it's ok on a new car. Link to comment Share on other sites More sharing options...
Muswell Posted July 3, 2015 Share Posted July 3, 2015 Use nitrile not latex gloves. Latex may keep the dirt off your hands but it is not a good barrier against the chemicals. Link to comment Share on other sites More sharing options...
Guest Peter James Posted July 26, 2015 Share Posted July 26, 2015 StuartO - 2015-06-17 4:54 PM but those with an exposed timber floor should presumably apply a timber preservative. Problem with coating the underside of a wooden floor is you could be sealing the damp IN - if any damp entering from above cannot soak through the wood and drip out below. ------- If you are going to cover metal parts with oil its worth using cheap new engine oil. New oil doesn't stink, and its much easier to clean up spills. New engine oil washes out easily with modern detergents - its just the black stuff in old engine oil that doesn't wash out. Link to comment Share on other sites More sharing options...
Guest Peter James Posted July 29, 2015 Share Posted July 29, 2015 Charles - 2015-06-29 6:56 AM can say from experience that wax oyl is useless and peels off with rust underneath after a year. I did all the usual tricks, warming it up and diluting with white spirit but it just doesn't work. Maybe it's ok on a new car. I think thats a problem with any coating that dries - rust can work away underneath it. Wheras oil stays liquid and soaks into the rust, stopping it from spreading. My experience suggests that a 'dry' coating, including waxoyl, is better on new metal. But once rust has started you are better off using oil. Quicker and easier to brush a bit more oil on once a year than remove a dried on coating and re paint. Link to comment Share on other sites More sharing options...
Rayjsj Posted July 31, 2015 Share Posted July 31, 2015 Rayjsj - 2015-06-24 12:18 PM gocro - 2015-06-24 9:16 AM Old engine oil is a carcinogen , and should be avoided when at all possible. Wear latex gloves all garage mechanics do these days. My van has a standard Fiat Maxi chassis which is not galvanised, strangely the chassis extension IS ? Old engine oil is as good as anything, and mostly free, but a bit messy to apply ,I could and did do it when I was younger and fitter.I now spray the chassis members with White grease, which I get online from toolstation. Only £3.20 a can. Much easier and is virtually permanent ,stops any rust forming.Ray as I said, Sprayed White Grease, inhibits any rust forming, doesn't dry out, only goes where it is sprayed,doesn' drip after 5 minutes, permanent until you wipe it off, much cheaper than Waxoil. Less messy than waste oil. Link to comment Share on other sites More sharing options...
Guest Peter James Posted July 31, 2015 Share Posted July 31, 2015 Peter James - 2015-07-26 8:06 PM If you are going to cover metal parts with oil its worth using cheap new engine oil. New oil doesn't stink, and its much easier to clean up spills. New engine oil washes out easily with modern detergents - its just the black stuff in old engine oil that doesn't wash out. On second thoughts if you are spending money on new oil 8-) use gear oil. Its thicker and should stick better. Link to comment Share on other sites More sharing options...
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