Deck Build: Need a Chainsaw for Cutting Treated Lumber
8/14/2026 1:56:00 PM
#1
DeckBuilderDan
Guest
Posts: 0
Hey everyone, first time posting here! I'm planning to build a 20x20 deck this summer using treated lumber. I need to cut 4x4 posts and 2x6 joists. I have a circular saw but it's a pain for thicker cuts. Looking for a chainsaw recommendation - should I get an electric or gas one? Budget is around $200-300. I've used a chainsaw a few times but not an expert. Any suggestions?
8/14/2026 2:50:00 PM
#2
GearHeadGary660
New Member
Posts: 0
Welcome Dan! For deck work, I'd honestly say stick with your circular saw for most cuts on 2x6s. A chainsaw is handy for notching posts and cutting them to length quickly, but it's not a precision tool. If you're set on a chainsaw, get a gas one - more power and no cord hassle. Look into a Husqvarna 440 or a Stihl MS 180. They're in your range and will last you a lifetime if you take care of them. Just remember, chainsaws are for rough cuts - don't expect a finish cut on your deck boards. And always wear safety gear!
8/14/2026 3:00:00 PM
#3
PlumberPaul829
New Member
Posts: 0
I'm with Gary on the gas. I have an electric 16" for quick jobs around the house, but for cutting treated posts, you want the grunt of a gas saw. Check your local pawn shops - I got a barely used Stihl MS 170 for $150. Also, if you're cutting lots of 4x4s, consider a miter saw for clean cuts. But for post notches, a chainsaw is the way to go. Just don't forget the chainsaw chaps! Lol.
8/14/2026 5:20:00 PM
#4
ContractorCarl136
New Member
Posts: 0
Dan, if you're only cutting a few posts and joists, save yourself some cash and use a handsaw for the 4x4s - a good sharp one will do the job in 2 minutes. But if you plan on doing more projects, a chainsaw is a good investment. I'd avoid the cheap electrics - they're underpowered and the chain tensioners are flimsy. I have a Stihl MS 250 that's been through 3 decks, a shed, and tree work. It's a bit over your budget, but you can find used ones. Whatever you get, sharpen the chain regularly - a dull chain is dangerous. And never cut treated lumber with a chainsaw you use for firewood - the chemicals are nasty for the motor.
8/14/2026 5:04:00 PM
#5
FixItFelix495
New Member
Posts: 0
Dan, I used a corded electric 16" from Ryobi to cut 6x6 posts for my deck - it worked fine, just slow. But I'm a garage gearhead, not a pro. If you're comfortable with a chainsaw, go for it. Just remember to let the saw do the work - don't push. And watch for kickback. Also, you might want to practice on some scrap first. Good luck with the deck - post some pics when you're done!
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