Totally get where you’re coming from. I tried green board in a shower once because I listened to a “helpful” hardware store guy... let’s just say I got real familiar with demo tools a year later. Cement board’s a pain, but it’s peace of mind.
Green board’s one of those things that sounds great until you actually live with it in a wet zone. Here’s my take:
- Green board = fine for bathroom walls/ceilings, but not inside the shower. It’s just not built for constant moisture.
- Cement board’s heavy and messy, but it doesn’t flinch at water. That extra work up front saves headaches (and mold) down the line.
- Learned the hard way: demoing soggy drywall is way worse than lugging cement board up stairs.
If you’re tiling a shower, I’d always go cement board. For everything else? Green board’s fine, just don’t push your luck.
Cement board’s a pain, but you nailed it—it’s the only thing I’ll trust behind tile in a shower these days. I tried green board once in a rental and ended up dealing with soft spots a year later. That demo bill stuck with me... you’re saving future headaches for sure.
I tried green board once in a rental and ended up dealing with soft spots a year later. That demo bill stuck with me...
That’s exactly why I stick to cement board, even if it’s more labor upfront. Green board just doesn’t hold up to repeated moisture exposure, especially in high-turnover properties where tenants might not be as careful. I’ve seen mold creep in behind green board after just a couple years—costs way more to remediate than the savings on materials. For wet areas, cement board is just a safer long-term investment, even if it’s heavier and tougher to cut.
Green Board vs. Cement Board: My Bathroom Learning Curve
I’m actually smack in the middle of my first bathroom reno, and I totally get the confusion around green board. When I started, every big box store had it stacked up with “moisture-resistant” in big letters, so I figured it was the go-to for bathrooms. But after reading a bunch of horror stories (and a few too many YouTube fails), I got nervous about using it anywhere water might actually hit.
Here’s how I broke it down for myself:
1. **Shower/tub walls**: I went with cement board, even though it’s heavy and honestly a pain to cut. The dust is no joke, but at least I know it won’t turn to mush if there’s a leak or someone’s not careful with the shower curtain. I used a cheap angle grinder outside to avoid making a mess inside.
2. **Bathroom walls NOT near water**: This is where I did use green board. Like, above the sink or on the ceiling—places that just get humidity but not direct splashes. It was lighter and easier to work with than cement board, and I figure if there’s ever a problem there, it’ll be from a bigger issue like a roof leak.
3. **Waterproofing**: Whatever board you use, I found out you really can’t skip waterproofing in wet zones. I rolled on RedGard over the cement board before tiling, which wasn’t that hard and gave me some peace of mind.
Honestly, if you’re doing this yourself and don’t want to redo it in two years, cement board seems like the safer bet for showers and tubs. Green board *might* be fine for low-moisture spots, but if you’re worried about tenants or kids being rough on the space, I’d just suck it up and go with cement board everywhere wet.
One thing I wish someone had told me: pre-drill holes for screws in cement board or you’ll end up stripping your drill bits. Live and learn, I guess...