Thoughts on a covered deck vs. open build for our climate?

I did a similar project in Ohio two years ago, and I went back and forth on the roof for months. We ended up pulling the trigger on a full gabled roof over a 16 by 24 footprint using Trex Transcend. Tying into the house was the most expensive part of the quote, adding nearly $15k just for the structural integration and shingles, but I don’t regret it for a second. Without that cover, our deck would be a puddle half the year.

For the materials, I’d urge you to skip the pressure-treated wood for the surface. In our climate, the maintanence on PT is a nightmare after three winters. We went with black Westbury aluminum spindles and a composite cocktail rail. It looks sharp and doesn't wobble. Total cost for us ended up around $45,000, wich was shocking at first, but having those ceiling fans on a humid July night makes the space actually livable. If you skip the roof to save money, you'll prolly find yourself staring at the deck from inside the house whenever it drizzles.

I actualy went the opposite route and skipped the roof extension after seeing the estimates. In our area, tying into the roofline often triggers a whole set of new permit requirements and structural upgrades for the existing house foundation that people don't expect. Instead of that $20k+ roof, we did a heavy-duty cedar pergola over a 20x20 space. It keeps the deck feeling open, and we just use a high-quality cantilever umbrella for shade when the sun is brutal.

Regarding the decking material, I really think high-end composite is overkill. I went with pressure-treated Southern Yellow Pine and used a high-quality penetrating stain like TWP 100. If you stay on top of the maintenace every few years, it looks beautiful and saves you thousands upfront. Those black aluminum spindles look sharp with wood too. The biggest issue with a full roof is how much light it steals from your indoor living room. My neighbor did the full gabled roof and now his kitchen is dark all day long. For the price of that roof, you coud practically install a luxury outdoor kitchen or a high-end fire pit area instead.

I'm getting so hyped beacuse we're in the exact same boat in PA! I'm allready looking at the black spindles too, but I've been wondering... do those metal railings get way too hot to touch when the sun is hitting them? Also, random question, but do those ceiling fans actualy keep the mosquitoes away during those humid nights, or is that just a myth people tell to justify the electrical work?

I just finished a 20x20 in Pittsburgh. If you can, watch those dimensions; 20-foot composite boards are a bear to move and cost a premium compared to 12s or 16s. Regarding the heat, those black spindles aren't the problem—it's the dark composite floor. My feet cook on our 'slate' boards, but the railings stay manageable. On the fan: it absolutely keeps the gnats off if it's cranked to high, but it won't do much for the edges of the deck. I skipped the roof and regret it every time I have to power wash the bird mess and pollen off the furniture.

I couldn't agree more on the roof—in this part of the country, an uncovered deck is basially a bird bath for half the year. One small detail people often overlook with those ceiling fans is the lighting. Make sure you put the recessed lights on a seprate dimmer switch. Since those roof ceilings are usually finished in light colors to keep the space airy, the reflection can be blindingly bright at night. Without a dimmer, you lose that cozy outdoor ambiance and it feels like a surgical suite. It's a cheap addition during the electrical phase that completly changes how much you'll actually use the space after dark.

Quick update—the point about the foundation upgrades for the roof relly caught me off guard. I’m now leaning toward the lighter composite colors since "cooking my feet" sounds miserable. For those who skipped the roof tie-in, did you look into those heavy-duty motorized pergolas instead? It seems like a way to get the ceiling fan without the $20k structural headache.