White coatings sound great on paper, but in practice, they just don’t last in our weather.
- "White coatings sound great on paper, but in practice, they just don’t last in our weather." — man, you nailed it. I’ve seen more flaking white roofs than I care to count.
- Prep feels like a slog, but skipping it is like duct-taping a boat... sure, it floats for a minute.
- If you made it through cleaning and still had the energy to actually finish the edging, you deserve a medal. Or at least a cold drink.
- Weather here eats shortcuts for breakfast. You’re not alone.
- I get the doubts about white coatings, but I’ve seen a couple in my neighborhood last 5+ years with regular touch-ups.
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True, but I feel like with enough prep and the right product, it’s not a total lost cause.Weather here eats shortcuts for breakfast.
- Maybe it’s just luck, but I’m not totally writing them off yet.
- I get the doubts about white coatings, but I’ve seen a couple in my neighborhood last 5+ years with regular touch-ups.
- That “weather eats shortcuts for breakfast” line hits home. I’ve watched a few neighbors repaint their metal trims every couple years, but one guy down the street swears by a certain primer and his still looks decent after 6 years.
- Anyone here tried the cheaper coatings vs the high-end ones? I’m always tempted by the price difference, but worried about having to redo it sooner.
- Is it mostly about the prep work, or does the brand really matter long-term? I’d rather not spend double if I don’t have to...
I’ve managed a few properties with metal trim, and honestly, prep work makes or breaks it. I’ve seen cheap coatings last surprisingly well if the surface was cleaned and primed right, but if you skip steps, even the expensive brands won’t hold up. That said, some of the high-end primers really do seem to bond better, especially in areas with wild temperature swings. I get the temptation to save money, but sometimes it’s worth spending a bit more up front just to avoid the hassle of redoing it every couple years.
I’ve seen cheap coatings last surprisingly well if the surface was cleaned and primed right, but if you skip steps, even the expensive brands won’t hold up.
That’s been my experience too, especially on jobs where folks want to cut corners. I’ve seen some “budget” paints outlast the pricier stuff just because someone took the time to really get all the grime and oxidation off first. Wild how much difference a wire brush and some elbow grease can make.
I’m curious though—what kind of primer are you using for those spots with big temp swings? I’ve tried a couple different brands (Rustoleum, Zinsser, even some of the more industrial ones), but sometimes I still get a bit of peeling after a couple seasons, especially on south-facing trim that bakes in the sun all summer and then freezes all winter. Maybe it’s just our crazy freeze-thaw cycles up here, but I haven’t found a “set it and forget it” solution yet.
Also, do you bother with two coats of primer or just one? Some folks swear by double-priming, but honestly I’ve only done that when the metal was in rough shape to start with. Most of the time I’m just trying to keep water from sneaking under the edges and causing rust.
One thing I haven’t totally figured out: is it better to use those self-etching primers on older trim, or stick with the regular stuff? I’ve had mixed results—sometimes it bonds like crazy, other times it seems like overkill.
Anyone else dealing with weird bubbling or flaking after a winter or two? Or maybe that’s just our local weather doing its thing...