Questions tagged [rust-proofing]

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1 answer
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Inexpensive way to protect outdoor metal table from rust?

I recently purchased an outdoor metal table with powder coating that is supposed to protect it, but I know that it won't last. What inexpensive product can I apply to the surface of the table to ...
-1 votes
1 answer
32 views

Rust protection on galvanized steel water tank

I got a custom water tank from galvanized steel done in a workshop for my campervan. But its welding points are exposed and probably will rust. It is mainly for kitchen and shower water, not for ...
1 vote
1 answer
52 views

What are my options for repairing a rusted galvanized steel flue?

How difficult is this rust to clean up? Will I need a full replacement?
0 votes
2 answers
118 views

Derusting and protecting the inside of a steel fence tube

I have some fence and gate posts made of square steel tubing that were left open on the top. Rain happily collects down the holes so I drilled a weep hole to let the water that collects out. More than ...
1 vote
1 answer
120 views

Do handles on exterior steel doors need sealed from rain?

I have a storm door on my front door, but not on our new mudroom addition. Do I need to worry about rain water getting behind the handle and rusting the hole that was cut in the door?
-1 votes
2 answers
162 views

What effect will red oxide primer have between a shipping container and a concrete slab over the top?

I have a painted shipping container steel roof in average condition and plan to pour a 3.5 inch concrete slab on top. What effect will using red oxide resistant primer, as used in the tropics, bring ...
2 votes
2 answers
206 views

Do you have to sand the rust off before sealing metal?

I have some ductwork has been getting rusty because of condensation and I want to seal it with duct sealant and thin insulation on the parts that sweat/wet. Do I have to sand the existing rust off or ...
0 votes
1 answer
29 views

Thin-film rust protection for iron (electromagnet iron core) which operates at high temperature?

I have an old contactor, which was humming. I ignored it until the coil burned out. When replacing the coil, I noticed the iron core was rusty, so I sanded it with 600grit to remove all rust in the ...
0 votes
1 answer
1k views

How can I remove rust from steel cabinet hinges?

While many of the hinges are fine while some of them have developed rust. I'm annoyed about the fact that it got rusted within months of installation but I'm wondering what I can do to remove the rust ...
0 votes
3 answers
298 views

I painted over rust with rust-resistant paint. A few days later it's back. How can this be possible?

I have this pipe through my kitchen. I painted the pipe with rust-resistant paint and in a few days was back. Could it be rust? Could it be some kind of mold? It's quite extruded/"3d" if I ...
-1 votes
2 answers
543 views

How can I protect rusting Tapcons in a seashore installation?

We installed some glass railings using Tapcon screws. Few months after installation screws started to rust. The house is located on a seashore, and in windy weather, saltwater spray can reach it. ...
3 votes
5 answers
5k views

How to prevent rebar from rusting in the ground?

I am building a wall with rebar, cinder blocks, and rebar, as I've seen in many YouTube videos. ________||_ ___________ ___________ _____ | || | | | | <--cinder ...
3 votes
2 answers
18k views

How do I repair a garage door with a rusty bottom?

Was looking at my garage door as I pulled into home yesterday and noticed that the bottom panel is starting to rust slightly at the bottom. The rust looks like a small mountain range from one side to ...
5 votes
8 answers
3k views

Rust at welded steel beam joint

My house has a 20 ft long steel beam running across the entry way with two i-beams for supports. The supports are welded to a base plate at the ground. The joints have quite a bit of rust on them. I'...
2 votes
2 answers
651 views

Kwikset deadbolt rust prevention

I purchased several Kwikset deadbolts and they are rusting / corroding in the outer ring (not stainless steel), not the locking mechanism. Items are installed on a Florida island. Would rubbing a ...
3 votes
3 answers
491 views

Should Chromium-Vanadium (Cr-V) sockets be stored lubricated? [closed]

I just ordered the TEKTON 3/8 Inch Drive Deep 6-Point Impact Socket Set, 37-Piece (1/4-1 in, 6-24 mm) on Amazon, it was delivered with each socket heavily lubricated (with what looks like oil). There ...
0 votes
1 answer
2k views

"Plastifying" rusty integrated dish drying rack (food contact)

I have a dish drying rack integrated inside a slot above my sink. It is now rusty but I haven't been able to find a new one with the right size, despite searching in many stores. Since the rusting ...
1 vote
2 answers
133 views

Please tell me what's the name of the metal wrap

Can someone please tell me what's the name of the metal wrap in the first pic? It wraps the top of the wall on my roof top. My roof has a rubber layer on it and it goes up to inside the wall. On top ...
0 votes
4 answers
2k views

How can I treat and prevent rust in steel wire rope?

After 8 years of questions, I finally completed the fence. The issue I’m having now is that the loops in the steel are rusting at a pretty fast rate. I’m looking to spray them with something that will ...
1 vote
3 answers
1k views

Cutting powder coated steel - how do I prevent rust?

We have a series of powder-coated electrical cupboards that need to be cut open to install recessed components. The exact product description can be found on the manufacturer's website. The ...
0 votes
3 answers
114 views

Non-spray WD-40 equivalent? [closed]

I spray WD-40 on metal parts in a high moisture area to prevent rust. But in one particular case, I don't want the oil getting on other things in a tight area, so I'm reluctant to use the spray. Is ...
9 votes
3 answers
7k views

How to prevent bolts from rusting and sticking in the toilet tank?

Inspired by this problem. If I somehow succeed in removing the rusted bolts and replace them with new ones, how can I prevent the new bolts from rusting and getting stuck too? (Other than removing ...
1 vote
2 answers
1k views

Repaint metal railing

I need some guidance on the repainting of the metal railing that I have in my front yard. This is how it looks like as of today: The black paint on the railing is chipping off and I am not sure why. ...
0 votes
1 answer
53 views

Rust repair and coverage on High temperature fixture

I'm looking for recommendations for going about making my bathroom electric baseboard heater more presentable (and, of course, maintaining its safety). I'm including pictures of the fixture, showing ...
0 votes
2 answers
500 views

Best treatment for dishwasher rollers that use metal screws

My dishwasher roller wheels are plastic and have started to fail. I bought replacements, but another of the original plastic ones has started to fail. When I went to look I saw that the replacements ...
3 votes
3 answers
12k views

Rust at Bottom of Support Column

I'm just wondering how serious this is and also what are my options for fixing it? Best solution would be to replace the plates and column. How much work (cost) is that?
3 votes
3 answers
6k views

rust-proof solution for attaching 2x4 to 4x4?

What screws can I use to securely attach a 2"x4" to a 4"x4" treated lumber? The solution would need to be rust-proof. I recently used a structure similar to the image below for a small fence, but ...
0 votes
3 answers
4k views

How to safely clean rust and prep on a section of HVAC ductwork before insulating

So I have a small section (about 1.5 ft) of non-insulated ductwork with some rust right above my HVAC blower/furnace in the basement. The rust seems to be caused by the water that sweats on that ...
2 votes
5 answers
13k views

Will galvanized metal conduit balusters resist rust?

I'd like to use galvanized metal conduit as deck balusters with pressure-treated lumber. Will the bare metal resist rust? If not, is there an inexpensive way to improve its rust resistance?
1 vote
1 answer
2k views

How can I remove rust from a washing machine cabinet and protect against future corrosion?

The edges of body of the washing machine near the detergent dispenser & just above the front door is getting rusted. I have tried cleaning it with rough & smooth emery paper. Also applied ...
1 vote
0 answers
2k views

Options for sealing hot rolled (mild) steel with a matte finish?

I'm building a book shelf using 1.5" angle iron made from hot rolled steel as the frame. It's my understanding that this steel will rust even if left indoors. While I like the raw, industrial look of ...
1 vote
2 answers
78 views

Reduce rust in bases?

I installed these bases about 3 months ago, but as you can see from the pictures, the screws and washers already have rust spots. A few of the bases have rust spots also. What can I do to reduce rust?...
1 vote
2 answers
4k views

Will steel continue rusting if it's completely covered in concrete?

Let's say I have a 5" piece of rebar in a rooftop that's exposed to the elements (ie.sun, rain, salt air, etc). After some time it will be covered in rust and pieces of rust can be scraped off. Let's ...
0 votes
1 answer
753 views

Protect mini-split condenser from ocean corrosion?

I recently bought an A/C inverter and put the condenser on the roof. I live next to the ocean so if I don't do something to protect it, something in the blower will start rusting very soon. What can ...
0 votes
1 answer
1k views

How can I make steel post bases more rust-resistant?

I recently purchased several of these 4x4 bases for a rooftop very close to the ocean. They have not been installed yet. After about a month I notice that one of them has a little rust spot where the ...
0 votes
0 answers
90 views

Rust-resistant 4x4 base for concrete?

I've read several reviews about this Simpson 12-Gauge E-Z Base that say that they began rusting after a few months. I wanted to use them, but they'll be used at a house next to the ocean, so I'm ...
2 votes
1 answer
4k views

Painting over paint with rust spots coming through

I recently sanded down two beams to remove the rust and then painted over them with a "rust inhibitor" and then two coats of a basic ceiling paint. However there are now numerous rust spots coming ...
1 vote
1 answer
289 views

Does galvanized metal rust where the zinc is gone?

I'm planning to use some galvanized steel spike-nails for an outdoor project. I'd use seven inch nails and Nine Inch Nails* for the project, but I can't find them in odd sizes. So, my idea is to buy ...
0 votes
1 answer
554 views

Coating galvanized cable so it's rust-proof and sun-proof?

The cable's galvanized, so what coating can I add to the cable so it's rust proof and sun-proof? It should be clear and barely visible. And it shouldn't be too expensive. We live in the tropics, so ...
0 votes
0 answers
79 views

Phosphoric acid before galvanic coating?

I want to protect some mild steel. I have removed all the rust with a flap disk but there are some pits left in the steel. I have tried to remove thse using electrolysis and now with to paint this. ...
1 vote
1 answer
149 views

Non-oily rust proofing?

I have a bandsaw that set me back a bit and that I would like to take good care of. Rust forms quite easily on the cast iron table. In attempting to remove rust from the table, I followed an old ...
0 votes
2 answers
604 views

Metal protectant for engine parts?

I had a lawn tractor engine freeze up, and I pulled the head to fix the problem. While I had it apart, I put several parts into my ultrasonic parts washer to try to remove the caked on dry grease. ...
1 vote
2 answers
5k views

How to protect a lock against rusting

For reasons, I'm going to put a D lock through the wall of my flat, and I want to protect it against sealing up with rust. There are coincidentally a pair of perfect holes already in the wall (from ...
0 votes
2 answers
73 views

Applying paint in hard to reach regions due to roofing sheets

Around two years ago we installed Galvalume sheets for roofing. As you can see in the images below, the trusses were given only epoxy coating. We were told by the roofing contractor that paint over ...
0 votes
0 answers
44 views

How can I keep a metal post from rusting? [duplicate]

I'm replacing a mailbox post that rusted at the ground level
1 vote
1 answer
447 views

How can I treat or replace steel bolts in aluminum nuts to avoid corrosion?

I have a structure originally built from aluminum extrusion with channels using aluminum T-nuts and steel bolts. Over the years, the steel bolts have rusted, making them prone to stripping at the head ...
2 votes
2 answers
14k views

What kind of grease can be used on outdoor screws to avoid rust

I have fixed some screws outside to mount a house number onto masonry. I feel like I should probably apply some sort of grease or water repellent to avoid rust as they will be exposed to rain ...
3 votes
2 answers
291 views

How to protect exterior galvanized flashing?

With ships, they'll bolt zinc blocks on, can I "re-galvanize" metal? I ask as I have some flashing that was likely installed in 1938. It was galvanized and is in reasonably good shape. But replacing ...
0 votes
2 answers
534 views

What type of sealer/stain to use on untreated cedar 4x4 lumber glued together

I'm planning on making a heavy bench top by using six 4"x4"x6' posts, and gluing the faces together with Elmer brand carpenters glue and several large bar/trigger clamps. Afterwards, I'll just ...
2 votes
2 answers
13k views

Should I remove rust from my gas meter?

My home is about 8 years old. Despite being painted, my external gas meter has rust at every thread/joint location. The rusting is mainly on the pipe threads. I'm afraid this could eventually lead to ...