How to Cut Cove Molding on a Table Saw (Angled Fence Method)
A cove is cut on a table saw by feeding the board diagonally across the spinning blade, guided by a temporary fence clamped at an angle — not by tilting the blade or using a router bit. Each pass removes only about 1/16 in. of material, and the stock blade guard has to come off since the cut travels at an angle through the guard’s path. This guide covers the angled-fence setup, safe pass depth, and the mistakes that cause kickback.
Quick Answer
Clamp two straight boards across the table at a diagonal angle to form a channel, then feed your workpiece through the spinning blade along that angle in passes of about 1/16 in. at a time until the cove reaches full depth. Remove the blade guard first — it can’t fit the angled path — and use push blocks to keep your hands clear, since this is one of the higher-kickback-risk table saw cuts.
What You’ll Need
- Table saw with a standard combination or rip blade (a higher tooth count leaves a smoother cut and less sanding)
- Two straight, stiff boards to use as a temporary angled fence, plus clamps
- A scrap piece the same thickness as your final stock, for test cuts
- Push blocks and a push stick — your hands should never travel over the blade
- A featherboard or hold-down to keep the workpiece flat on the table
- A curved sanding block or profile scraper to match the cove shape for cleanup
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Setting Up the Angled Fence
The angle of the fence — not the blade tilt — is what shapes the cove, and it’s set by trial, not by a fixed number on a protractor. Raise the blade to the full depth you want the cove to reach, then hold your workpiece flat against the table behind the spinning-height blade and rotate it until the visible arc of the blade matches the width you want the cove to be. Trace that angle onto the table or throat plate with a pencil — that line is your fence angle.
Clamp a straight, stiff board along that traced line on the infeed side, then a matching board on the outfeed side, so the two form a channel the workpiece slides through. Lock both down with clamps heavy enough that they can’t shift under feed pressure — a fence that creeps mid-cut is the single most common cause of a ruined cove. Run a test cut on scrap the same thickness as your real stock before touching your good material.
Cutting the Cove: Passes and Blade Height
- Remove the blade guard: the angled feed path doesn’t clear a standard guard housing, so it has to come off for this cut — plan on extra caution everywhere else to compensate.
- Set the first pass shallow: raise the blade about 1/16 in. above the table for the first pass. Never start deep — a full-depth first pass is how the workpiece binds and kicks back.
- Clamp the featherboard or hold-down: position it to press the stock flat against the table and snug against the angled fence, so it can’t lift or wander mid-pass.
- Feed with push blocks, not bare hands: keep steady, moderate pressure down and against the fence. Never let a hand travel over the blade’s path.
- Raise the blade about 1/16 in. between each pass and repeat, checking the growing cove against your target depth after every pass.
- Finish with a very light pass: for the last 1/32 in. or so, slow your feed rate down further — this is what keeps saw-mark ridges to a minimum.
- Sand the cove smooth using a curved sanding block shaped to match the cove’s profile, working out any remaining saw marks.
📊 Keep every pass to about 1/16 in. of material removal or less — a deeper bite is what causes the workpiece to bind against the angled fence and get thrown back at the operator. — Source: Fine Woodworking
Why This Is One of the Riskier Table Saw Cuts
A cove cut is riskier than a straight rip for two reasons that stack together: the blade guard has to come off because it can’t fit the angled feed path, and the workpiece travels diagonally instead of parallel to the blade, so a standard rip fence and miter gauge don’t apply. Keep the wood pressed firmly down against the table through the entire pass, use push blocks so your hands stay clear of the blade at all times, and never rush a pass to save time — the slow feed rate is what keeps the cut controlled instead of grabby.
If you’re not fully comfortable running an unguarded, angled cut like this, lower-risk alternatives exist: cutting the same profile with a router and a cove bit (slower per pass, but the bit stays guarded and the feed is straight), cutting it on a compound miter saw instead, or buying pre-milled cove molding and simply installing it — the shape is a stock item at most lumberyards.
Making Cove Molding With a Router (Alternate Method)
A router with a cove bit cuts the same profile without the angled-fence table saw setup. Clamp a straight edge to guide the base, and take the depth in two or three passes rather than one full-depth pass — a router bit forced too deep in one pass burns the wood and can kick the router off line. This method is slower on long runs of molding but keeps the cutter guarded and the feed direction straight the entire time, which is why it’s the better choice for anyone still building confidence with the angled table saw technique above.
What Angle Do You Cut Cove Molding For Corners?
This is a different angle question from the fence setup above — it’s about installation, not cutting the profile. Where two walls meet at a standard 90-degree inside or outside corner, each piece of cove molding gets a 45-degree miter cut so the two pieces join cleanly, the same math used for crown molding corners. An out-of-square corner needs a test-fit and a small adjustment off 45 degrees; check the actual corner with a square before cutting, since older framing is rarely a true 90 degrees. If your design calls for the cove to sit at a compound angle rather than a flat wall-to-ceiling run, that’s the same setup used for bevel cuts on a table saw.
Common Mistakes to Avoid
- Taking too deep a first pass. Starting near full depth is the most common cause of binding and kickback on this cut — always start around 1/16 in.
- Leaving the blade guard on and trying to force the angle anyway. Remove it and rely on push blocks and a hold-down instead.
- Using a dull or low-tooth-count blade. A sharp, higher-tooth-count combination blade leaves a smoother arc and cuts down on sanding time.
- Clamping the fence loosely. A fence that shifts mid-pass changes the cove’s shape and can pinch the workpiece against the blade.
- Rushing the final pass. The last light pass needs a slower feed than the rest — that’s what controls saw-mark ridges.
FAQ
What blade do you use to cut cove molding on a table saw?
A standard combination or rip blade works for most coves — the blade type matters less than tooth count, since a higher tooth count leaves a smoother arc and less sanding. Some woodworkers rough out extra-deep coves faster with a dado stack first, but the cove’s final shape is still cut with a series of shallow single-blade passes.
Do you need a dado blade to cut a cove on a table saw?
No. A standard blade cuts the cove profile through repeated angled passes. A dado blade is smaller in diameter, which limits how large a radius it can cut, so it’s only useful for removing bulk waste on deep coves before the final passes with a standard blade.
How many passes does it take to cut a cove on a table saw?
It depends on the cove’s depth, but figure on roughly one pass per 1/16 in. of final depth, plus a final very light pass of about 1/32 in. A 1/2 in. deep cove typically takes 8 to 10 passes total.
Is cutting a cove on a table saw dangerous?
Yes, more so than a standard rip or crosscut. The blade guard has to come off because it can’t fit the angled feed path, and the diagonal feed means a standard rip fence and miter gauge don’t apply. Shallow passes, a firmly clamped angled fence, a featherboard hold-down, and push blocks instead of bare hands are what keep the cut controlled.
Can you cut cove molding with a router instead of a table saw?
Yes. A router with a cove bit, guided by a clamped straight edge and run in two or three shallower passes, cuts the same profile while keeping the bit guarded and the feed direction straight — a lower-risk option if you’re not ready for the angled table saw setup.
Cove molding on a table saw comes down to a firmly clamped angled fence, shallow 1/16 in. passes, and hands that never travel over the blade — get those three right and the technique is repeatable even without a dado blade or specialty cutter. If the unguarded, angled setup doesn’t feel right for your saw or your comfort level, the router method above or pre-milled molding are both legitimate ways to get the same shape.
