You are fine to go with slabs as long as they are warrantied. When I ordered mine I was told what was possible and what wasn't.

I went with all slabs for the first drawer since the rails are thinner on the 5 piece.

Thank you both for the input! That's great to see your maple slab drawer front not warping after 4 years installed, @katinparadise. It was actually a maple slab drawer front in my parents' kitchen that has warped that has me cautious, but that was after over 15 years of installation that it warped, and it's not so bad that it's hugely noticeable. It warped enough to disengage a screw for the handle pull, so we had to put in a longer screw. Maple isn't as stable as cherry in the presence of moisture, otherwise we would have picked maple for our kitchen for cost savings. We basically live right next to a deep creek in a temperate climate where windows are often open, so we cannot escape humidity any time of the year.

@aziline That's a good point about the warranty, and that's one thing that concerns me. This manufacturer won't warranty warpage if the doors and drawer fronts aren't painted or top coated within 3 weeks of delivery, and given that the assembly and varnish finishing aren't done in the same shop, I'm going to be frantically hopping to get that top coat on to preserve the warranty. You're right we'd be looking at reduced rails on the top drawer, and we do like the slab look better, but we're trying to make this decision based on function first given our humid environment. Woodweb forum discussions seem to favor the 5-piece in any instance, while our manufacturer says a slab drawer front of that size is fine but not a door front, thus the many competing factors.

Glad I could show you. Not only is it next to the dishwasher, but we live in SW Florida where humidity is a constant issue. We're humid from early April through late October.

@katinparadise Your paradise username is fitting, then! Sounds like your climate is more extreme than mine but spanning similar months with the heat and humidity. My indoor humidity is rarely below 55%. Today it was 78% humidity indoors. Our temperatures would be cooler than SW Florida, but our uncomfortable heat runs mid-spring through late fall. I used to live near the Gulf of Mexico where it was probably more similar to what you are describing than where I am now in North Texas. So many cabinet manufacturers I spoke with early in our research didn't want to warranty their products against warping unless we had a whole-house humidity control system installed and kept our windows closed year-round, which simply isn't our lifestyle. We're trying to go at it from other angles to minimize the warpage.

By the way, Houzz isn't registering my attempts to like the comments or post the "thank you" note today in this thread, so I'm not sure what's going on, but thanks!

No cabinet maker, or flooring manufacturer, or furniture maker, will warrant any product from not warping unless you maintain 30-60% humidity. Wood expands and contracts too much outside that range. If you want the most stable construction possible for outside that range, that plus veneer or laminate over MDF. Real wood will move, and you will not be able to stop it. This is why FL is full of modern slab laminate doors. It’s easy care, and stable.

@User Thank you. Laminate over MDF was a strong contender early in my research at least from my perspective, but my husband preferred real wood. We could have done rift or quartersawn wood to minimize the movement but crossed it off due to cost. I had even looked into stainless steel or aluminum doors and drawer fronts, of which there is a decent selection. Some outdoor kitchens utilize a type of foam that also doesn't move. It is always some type of balance among factors trying to decide.

Our humidity stays high, so as far as swings, we'll see it go from 55% to 65% indoors on a normal day to up to almost 80% like today when it has rained and our windows are open. It doesn't usually dip below 55% indoors. We're hoping if we acclimate the cabinetry before installing and get a quality top coat on immediately, that will help. Our manufacturer does not specify humidity limit requirements for warranty service, only finish coating within 3 weeks of delivery.

I'm getting notifications of your thanks. My indoor humidity is not stable either. I too like to open my windows in the winter when it cools down. I was probably naive, because I never considered warping when I re-did my kitchen. My doors are all solid maple, flat slab. My larger cabinet doors have horizontal support pieces at the top and bottom to keep them stable because they're solid.

I hope you're able to come to a decision that suits your desires and aesthetic.

@katinparadise Thanks for those details. I was viewing your larger drawer fronts and wondering how they hadn't warped, so that's logical if they used the horizontal bracing on the back that they would hold better. It's been my understanding reading up on the matter in months past that the back bracing is necessary in many instances for larger fronts and considered standard practice beyond certain size measurements, both for slabs and even for some very large 5-piece doors that are not otherwise affixed to anything.

My husband and I have been discussing all these responses and believe we've settled on attempting the slab fronts for the shortest drawer fronts which will number just 3. Everything else will be 5-piece. If we do get warping we can have them re-made in quartersawn cherry sourced from Frank Miller Quartersawn Hardwoods in Indiana that specializes in all species of woods. Thanks everyone for your helpful input.

Whst do you mean, “get a coat on it immediately”? You’re not buying unfinished cabinets from a woodworker are you?

I vote for slab fronts, but for a different reason than warpage: I just find panelled drawer fronts look too "busy" when applied to shallow top drawers. Often the panel is so disproportionately narrow (ie narrower than the rails and stiles surrounding it) that many types of drawer handles won't even fit.

I also find the concern about warpage with shallow top drawers a bit odd. You have WAY more warpage issues to worry about with larger panelled drawer fronts and cabinet doors. They are vastly more likely to warp than shallow top drawers.

@User Yes, and with a modern 2K Milesi, Saylerlack, or CSC waterborne coating, still working on test coating before the final. The Waterlox we meant to use tested horribly, our woodworker's finisher was going to use a one-part Sherwin Williams lacquer which we didn't want, so we're upgrading. We were deep into the process before realizing we should have gone with another manufacturer for many more reasons than just the finish, but we're trying to make the best of it. You've commented extensively on another finish-related post I created couple of months ago, and as you may recall there are multiple factors involved that are beyond the average kitchen application in terms of the finish maintenance. An HPLV sprayer, clean room, non-combustible fans, respirator, and air filters are a definite possibility, and we do have sprayer experience so know all too well about runs and drips and the care needed to prevent them. We also have another local pro with lots of experience lined up if required who is willing to use a 2-part Italian waterborne, and I'm on tap with an excellent Facebook painter's group which I think either you or someone else may have recommended in another post, thanks so much! https://www.facebook.com/groups/diycabinetrefinishing/ My concern is no longer about getting a quality coating, it's getting it on those surfaces within 3 weeks of delivery to meet warranty terms. We'll be working with the builder to meet the deadline.

@Home Reborn Those are interesting observations, thanks. We had considered a wainscot design for some of the larger panels to prevent warping, but it just didn't seem advantageous for several reasons, and no panels we have even came close to the manufacturer's maximum allowances for a single-panel door, so we are forging ahead without any wainscot. I totally agree the slab looks better than the reduced rails and tiny center panels. As mentioned in a prior post, my parents experienced a warped slab drawer front after over a decade living in a home that they built. They live in a fairly dry climate, but the wood was maple which can warp and twist like crazy under the right conditions. I had to fix the handle that fell off because the screw no longer reached, so that is burned in my memory that slab drawer fronts can warp, especially maple ones, thus my caution with our own design and our selection of cherry. I think at this point we'll just take our chances with slabs for the short drawers. Thanks everyone!

We like 5-piece fronts when possible. If paint grade we go with mdf panels for the doors, but solid wood for the drawer front panels for screw holding power. Stain grade, solid wood 3/8" panels throughout.

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