Undersealing/Rust treatment - Page 2 - Saxperience

VeiRoN · 17th May 2016, 19:12

Quote:

Originally Posted by Ben_SaxoForte

I will be going with the red oxide for primer i'm a bit suspicious of using hammerite again though as it seemed to just let moisture right through it last time I used it. Considering maybe using some POR 15 as it seems to have good reviews

I know,the thing is I would like to use paint that is suitable to use with a brush,I'm not looking for a perfect finish just good protection from rust,I know of other products that would be more suitable (Dynax-Ub is one of them) but they are all more of an underseal rubbery finish than just a plain top coat finish which is what I would like to go with.

I have a picture of the axle I'm refurbishing and just decided to go with 2 coats of "No Nonsense" red oxide primer,this is just 1 coat waiting for it to dry but it seems like a nice product,still unsure on what to use after:

VeiRoN · 17th May 2016, 19:21

Quote:

Originally Posted by Ben_SaxoForte

I will be going with the red oxide for primer i'm a bit suspicious of using hammerite again though as it seemed to just let moisture right through it last time I used it. Considering maybe using some POR 15 as it seems to have good reviews

If you're just going to protect the boot floor I would just use 2 coats of red oxide and 2 of Dynax-Ub,the Hamber product is pretty good stuff and should protect from rust pretty well and it's designed to resist debris and stuff thrown from the road.

Ben_SaxoForte · 17th May 2016, 19:24

Quote:

Originally Posted by VeiRoN

I know,the thing is I would like to use paint that is suitable to use with a brush,I'm not looking for a perfect finish just good protection from rust,I know of other products that would be more suitable (Dynax-Ub is one of them) but they are all more of an underseal rubbery finish than just a plain top coat finish which is what I would like to go with.

I have a picture of the axle I'm refurbishing and just decided to go with 2 coats of "No Nonsense" red oxide primer,this is just 1 coat waiting for it to dry but it seems like a nice product,still unsure on what to use after:

Looks pretty good that does, yeah that's pretty much what I'm looking for aswell just something brush on that's going to leave a good solid finish, after all its underneath the car doesn't need to look amazing. I don't want to use rubberized coating either on the boot floor as I think there's a good chance it would end up trapping moisture between it since there are alot of tight corners and seams under there

SGregg · 28th May 2016, 16:10

Quote:

Originally Posted by Ben_SaxoForte

I will be going with the red oxide for primer i'm a bit suspicious of using hammerite again though as it seemed to just let moisture right through it last time I used it. Considering maybe using some POR 15 as it seems to have good reviews

If you use POR-15, don't get any one you, it's a bitch to get off skin and the brush will dry rock hard if you don't buy the proper brush cleaner.

AdamH · 29th May 2016, 15:25

the biggest problem with underseal is people apply it too thick.... it wont dry and will start to fall away after a few months..

using a compressor and a paint gun apply a thin coat

Ben_SaxoForte · 29th May 2016, 18:22

Quote:

Originally Posted by SGregg

If you use POR-15, don't get any one you, it's a bitch to get off skin and the brush will dry rock hard if you don't buy the proper brush cleaner.

I have gone with the POR 15 for the underside of the boot but when doing a bit of research ive found people saying it should only be applied to bare metal/rust which is a bit of a bitch as it looks like I'm going to need to get every last bit of paint off, hopefully it will be worth all the work..

Bedford126 · 30th May 2016, 20:15

Under seal is wank now has been for years. The best stuff now by a million miles is upol rapture.its a 2 pack spray on under body/truck bed coat can be applied smooth in a spray gun or textured using a stone chip gun, it's impossible to chip as it stays in a rubbery form. I used it on my civic just jet washed with a steam cleaner and some chemical guys orange degreaser then scotched with a red scotch with thinners to lubricate. Then just masked up the break lines fuel lines and tank then sprayed. It's also tintable so can make it match.

Ben_SaxoForte · 31st May 2016, 20:43

Quote:

Originally Posted by Bedford126

Under seal is wank now has been for years. The best stuff now by a million miles is upol rapture.its a 2 pack spray on under body/truck bed coat can be applied smooth in a spray gun or textured using a stone chip gun, it's impossible to chip as it stays in a rubbery form. I used it on my civic just jet washed with a steam cleaner and some chemical guys orange degreaser then scotched with a red scotch with thinners to lubricate. Then just masked up the break lines fuel lines and tank then sprayed. It's also tintable so can make it match.

Does look like good stuff, is it safe to be using 2 pack stuff without air fed breathing gear though?

Ben_SaxoForte · 2nd July 2016, 20:13

Thought i'd update this to show some of you who may be interested, I've gone with the POR-15 for the boot floor, wire brushed, sanded and then sprayed with phosphoric acid before applying the POR-15 and this is how it came out i'm pretty very happy with it so far and it feels nice and smooth and seems to be a nice solid covering.

Ignore all the holes it hasn't been shot by a machine gun that's where I drilled all the spot welds out to remove the beams which were totally rotten.. will be welding some new pieces in when I get a chance and its not raining! next is to remove the fuel tank and do the same to that area