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How to Repair and Refinish Wood Moulding with High-Performance Putty

You finally finished installing that gorgeous crown moulding, but instead of admiring the elegance, your eyes are glued to every jagged seam and sunken nail hole screaming for attention. It's beyond frustrating when a tiny gap ruins your hard work, and let's be honest, using the wrong filler means watching your beautiful paint job crack and peel in just a few months. You deserve a seamless, professional finish that makes those joints disappear forever without the constant need for touch-ups. We've rounded up the elite wood putties that sand like a dream and won't shrink on you, including a few unconventional choices that even the pros keep secret.

How to Repair and Refinish Wood Moulding with High-Performance Putty
BONCART Paintable & Stainable Wood Putty Filler (200g)

BONCART Paintable & Stainable Wood Putty Filler (200g)

  1. Composition: Water-based, eco-friendly formula with low odor and non-toxic properties.
  2. Drying Performance: Fast-drying with high resistance to shrinking and cracking after application.
  3. Finishing Compatibility: Fully paintable and stainable to match various wood grains and colors.
  4. Net Weight: 10.58 oz (300g).
  5. Best for: Repairing cracks, nail holes, and imperfections in decorative moulding and interior trim.

Gorilla All Purpose Wood Filler, 6 Ounce Tub, Natural Finish

Gorilla All Purpose Wood Filler, 6 Ounce Tub, Natural Finish

  1. Shrink and Crack Resistance: High-performance formula designed for long-lasting, durable repairs.
  2. Versatile Application: Water-resistant properties suitable for both interior and exterior projects.
  3. Post-Dry Workability: Fully sandable, drillable, and easy to clean up with water.
  4. Cosmetic Compatibility: Accepts paints and stains to match natural wood finishes seamlessly.
  5. Best for Wood Moulding: Filling nail holes and miter joints in trim work where a smooth, invisible finish is required.

System Three SculpWood Putty (2-Gallon Kit)

System Three SculpWood Putty (2-Gallon Kit)

  1. Two-Part Epoxy System: 1:1 mixing ratio of resin and hardener for a permanent, structural bond.
  2. Kneadable Consistency: Soft, clay-like texture that can be shaped by hand and stays in place without slumping.
  3. Dimensional Stability: Solvent-free formula ensures zero shrinkage, cracking, or popping out over time.
  4. Post-Cure Workability: High density allows it to be sanded, sawed, planed, and carved just like real wood.
  5. Best for: Rebuilding missing sections and performing intricate detail work on architectural moulding and trim.

White Wood Filler Repair Sticks (12-Pack)

White Wood Filler Repair Sticks (12-Pack)

  1. Quantity: 6 sticks per pack.
  2. Color Finish: Solid white for seamless blending.
  3. Application Type: Easy-to-use rub-on crayon stick.
  4. Drying Time: Instant, no-sand application required.
  5. Best for: Filling nail holes and minor scratches on white-painted moulding.

Minwax Wood Putty, Golden Oak, 3.75-Ounce

Minwax Wood Putty, Golden Oak, 3.75-Ounce

  1. Formulation: Non-hardening, pre-mixed putty.
  2. Color Compatibility: Designed to match Minwax Wood Finish stains.
  3. Application Process: Requires no sanding or top-coating.
  4. Container Size: 3.75 ounces.
  5. Best for: Filling small nail holes and minor scratches in finished wood moulding.

Bondo All-Purpose White Cream Hardener

Bondo All-Purpose White Cream Hardener

  1. Wood Fiber Formula: Contains real wood fibers for a natural appearance and texture.
  2. Finish Versatility: Highly receptive to stains and paints to match existing wood finishes.
  3. Material Stability: Engineered to be shrink and crack resistant for long-lasting repairs.
  4. Structural Workability: Can be sanded, planed, drilled, and screwed once fully cured.
  5. Best for: Filling nail holes and miter joints in intricate decorative moulding.

Roberts Color-Matched Laminate & Wood Repair Putty

Roberts Color-Matched Laminate & Wood Repair Putty

  1. Water-Based Acrylic Formula: Easy cleanup with water and low odor for interior use.
  2. Drying Time: Sets in approximately 1 hour depending on depth.
  3. Surface Versatility: Compatible with wood, laminate, and vinyl materials.
  4. Post-Repair Performance: Shrink-resistant, sandable, and paintable once fully cured.
  5. Best for: Color-matching repairs on pre-finished moulding and trim.

DAP Plastic Wood-X All-Purpose Wood Filler

DAP Plastic Wood-X All-Purpose Wood Filler

  1. Color Change Indicator: Formulated with DryDex technology that goes on pink and dries natural when it is ready to sand.
  2. Material Strength: 3X stronger than competitive wood fillers and reinforced with real wood fibers for heavy-duty durability.
  3. Post-Cure Workability: High-performance formula that can be sanded, planed, painted, stained, drilled, and nailed.
  4. Shrink Resistance: Professional-grade latex wood filler designed to resist shrinking, cracking, and crumbling.
  5. Best for: Filling nail holes and repairing cracks in interior or exterior moulding where a smooth, paintable finish is required.

SEISSO Wood Filler Putty Repair Kit

SEISSO Wood Filler Putty Repair Kit

  1. Material Composition: Eco-friendly, water-based, and non-toxic resin formula.
  2. Color Selection: 12 unique intermixable wood shades for precise color matching.
  3. Structural Integrity: High-density, non-shrinking, and crack-resistant once fully cured.
  4. Post-Application Finish: Fully sandable, paintable, and stainable to match existing trim.
  5. Best for: Filling nail holes, joint gaps, and miter cracks in decorative wood moulding.

Wood Filler Putty Repair Kit

Wood Filler Putty Repair Kit

  1. Formulation Type: High-performance water-based resin.
  2. Drying Speed: Fast-drying formula (surface dry in approx. 30 minutes).
  3. Finish Compatibility: Fully stainable and paintable to match existing wood.
  4. Durability Features: Shrink-resistant and crack-resistant after curing.
  5. Best for: Filling nail holes, gaps, and cracks in decorative moulding and trim.

QuikWood Epoxy Putty Stick

QuikWood Epoxy Putty Stick

  1. Cure Time: 15 to 25 minutes for initial set and fully cured in 60 minutes.
  2. Shrinkage: Zero shrinkage or cracking, maintaining its original volume after drying.
  3. Consistency: Hand-mixable epoxy with a modeling clay-like texture that prevents sagging or dripping.
  4. Workability: Can be sanded, drilled, tapped, filed, painted, and stained once hardened.
  5. Best for: Reconstructing missing corners and intricate details on vertical wood moulding.

J-B Weld Headlight Restore Premium Kit

J-B Weld Headlight Restore Premium Kit

  1. Set and Cure Time: 15-20 minute set time and fully cured in 1 hour.
  2. Shrink Resistance: Formulated to ensure no shrinking or cracking after hardening.
  3. Post-Cure Workability: Can be sanded, drilled, tapped, filed, and painted to match existing profiles.
  4. Tensile Strength: 900 PSI for a permanent, high-strength bond.
  5. Best for Moulding: Structural restoration and rebuilding of rotted or heavily damaged decorative trim.

Old Masters Wood Putty - Natural

Old Masters Wood Putty - Natural

  1. Non-Hardening Formula: Remains pliable indefinitely and will not dry out, shrink, or crack over time.
  2. Natural Color Tone: Pre-tinted in a natural shade to blend seamlessly with light-colored wood species and clear finishes.
  3. Application Environment: Designed specifically for interior woodwork, ensuring long-lasting fills in stable indoor climates.
  4. Finish Compatibility: Formulated to be applied to wood surfaces that have already been stained and finished.
  5. Best for: Filling small nail holes and minor imperfections in pre-finished interior moulding and trim.

REALINN 40-Piece Wood Furniture Repair Kit

REALINN 40-Piece Wood Furniture Repair Kit

  1. Color Selection: 12 versatile resin-based colors including white, oak, walnut, and cherry.
  2. Complete Repair Kit: Includes 12 filler tubes, 1 brush, 2 plastic scrapers, and 1 sheet of sandpaper.
  3. Fast-Drying Formula: Non-toxic, water-based resin that provides strong adhesion and quick drying times.
  4. Damage Coverage: Engineered to fill scratches, cracks, nail holes, and chips on various wood surfaces.
  5. Best for: Restoring intricate wood moulding and achieving custom color matches through blending.

VIKEYTIM High-Strength Universal Super Glue

VIKEYTIM High-Strength Universal Super Glue

  1. Material Composition: High-quality acrylic resin base.
  2. Drying Time: 15 to 30 minutes for surface touch-dry.
  3. Post-Application Finish: Fully sandable, paintable, and stainable.
  4. Physical Property: Non-shrinking and crack-resistant formula.
  5. Best for: Seamlessly filling nail holes and cracks in detailed wood moulding.

BONCART Paintable & Stainable Wood Putty Filler (200g)

BONCART Paintable & Stainable Wood Putty Filler (200g)

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Tired of staring at those unsightly gaps and nail holes in your moulding that make your home look unfinished? BONCART Wood Filler is the professional-grade solution you need to turn DIY headaches into a flawless, seamless finish. This water-based formula is incredibly easy to apply and fast-drying, meaning you won't have to deal with the shrinking or cracking typical of lesser fillers. Because it is both paintable and stainable, you can easily match it to your existing decor for a repair that's virtually invisible to the naked eye. You deserve a polished look without the professional price tag, so stop letting those cracks ruin your aesthetic. Grab your BONCART kit today and fix those flaws for good!

Gorilla All Purpose Wood Filler, 6 Ounce Tub, Natural Finish

Gorilla All Purpose Wood Filler, 6 Ounce Tub, Natural Finish

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Staring at those ugly nail holes and gaps in your crown moulding is enough to drive anyone crazy, but you can fix that eyesore in minutes with this high-strength, shrink-resistant wood filler. To get that seamless look, just clean the surface, press the putty firmly into the crack with a putty knife, and level it off so it sits slightly higher than the wood. Because it's engineered to resist cracking and shrinking, you won't have to deal with the frustration of re-applying a second coat after it dries. Once it's set, you can sand it down until it's smooth as butter and hit it with your favorite stain or paint, ensuring your trim looks professionally finished and perfectly matched to your home.

System Three SculpWood Putty (2-Gallon Kit)

System Three SculpWood Putty (2-Gallon Kit)

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If you're staring at rotted moulding or unsightly gaps that make your home look like a fixer-upper gone wrong, stop stressing and grab some SculpWood to save the day. This isn't that crumbly, one-part junk from the bargain bin; it's a professional-grade two-part epoxy system that actually behaves like real wood once it cures. To get that seamless finish, just mix equal parts of the resin and hardener until the color is uniform-think of it like kneading bread dough-then press it firmly into your damaged trim and smooth it out with a putty knife. Because it's a high-build, non-shrinking formula, you won't have to deal with those annoying cracks or divots that appear after drying, and since it bonds permanently to the substrate, your repair is built to last. Once it hardens, you can sand, drill, or paint it just like the original surface, giving you a durable, "good as new" result that makes your old moulding look sharp without the headache of a full replacement.

White Wood Filler Repair Sticks (12-Pack)

White Wood Filler Repair Sticks (12-Pack)

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Tired of staring at those annoying nail holes and scuffs that make your white molding look like a DIY disaster? You don't need a messy tub of paste or a weekend's worth of patience to fix it; these white wood filler sticks are your secret weapon for a professional finish in seconds. To get started, just give the surface a quick wipe to clear any dust, rub the stick firmly back and forth over the gap until it's packed tight, and buff away the excess with a cloth for a seamless, invisible repair. Because these sticks are crafted from a high-quality, non-shrinking wax, your repairs won't crack or pull away over time, and the instant-dry formula means you can skip the tedious sanding and painting to get back to enjoying your flawless home right away.

Minwax Wood Putty, Golden Oak, 3.75-Ounce

Minwax Wood Putty, Golden Oak, 3.75-Ounce

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You've finally finished installing that beautiful new moulding, but those unsightly nail holes and minor gaps are staring you right in the face, threatening to ruin your hard work. Don't worry, because Minwax Wood Putty is the simple fix you need to make those imperfections vanish instantly. Its clever non-hardening formula means you can press it right into the wood without any messy sanding or extra finishing, saving you tons of time while ensuring a perfect color match that stays pliable. You won't have to deal with the dust and stress of traditional fillers; instead, you get a professional, seamless look that makes your trim look like a single, solid piece of craftsmanship. Pick up a jar and perfect your project now!

Bondo All-Purpose White Cream Hardener

Bondo All-Purpose White Cream Hardener

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We've all been there: you finally finish installing that gorgeous crown moulding only to realize those glaring nail holes and sloppy corner gaps are staring you right in the face, screaming "amateur hour." Don't sweat it, because this high-performance wood filler is the secret weapon you need to make those eyesores disappear for good. To get that pro-level finish, just mix a small amount of the filler with the cream hardener on a clean surface, smear it firmly into the gaps with a putty knife, and wait about 15 minutes for it to "kick." Because this professional-grade formula is chemically bonded to resist shrinking and cracking, you won't have to waste your Saturday re-filling the same spot three times; instead, you can sand it flush and paint it almost immediately for a seamless, rock-solid result that won't pop out when the house settles.

Roberts Color-Matched Laminate & Wood Repair Putty

Roberts Color-Matched Laminate & Wood Repair Putty

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When you are looking to give your home a flawless finish, the Roberts Quick Repair Putty stands as the most efficient solution for those unsightly gaps in your moulding. You will love how the advanced acrylic-based formula remains perfectly flexible after it cures, ensuring your repairs never crack or shrink even as your home naturally settles over time. Let's face it, nobody wants a messy cleanup, so you will appreciate this water-soluble, pre-mixed compound that allows for the easiest application imaginable while providing the smoothest finish on the market. Since it is specifically engineered to bond with wood, laminate, and vinyl surfaces, you are getting the most versatile tool in your DIY kit for a truly professional-grade result.

DAP Plastic Wood-X All-Purpose Wood Filler

DAP Plastic Wood-X All-Purpose Wood Filler

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Staring at those ugly nail holes and jagged gaps in your crown moulding can make even the best DIY project look like a hack job, but don't sweat it because DAP Plastic Wood-X is about to be your new best friend. You just grab a putty knife, press the pink formula firmly into the blemish, and level it off-it's that easy. The real magic happens with the DryDex technology: it goes on pink so you can see exactly where you've applied it, and then turns white when it's bone-dry and ready for action, completely taking the guesswork out of your project timeline. Since this high-performance filler acts just like the real deal, you can sand, stain, or paint it to match your trim perfectly, giving you a professional-grade finish that's tough as nails and looks totally seamless.

SEISSO Wood Filler Putty Repair Kit

SEISSO Wood Filler Putty Repair Kit

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When you're staring at those unsightly gaps in your crown molding, you need a solution that's as hardworking as you are, and that's where SEISSO's premium water-based wood filler comes in. Honestly, the fast-drying formula is a total game-changer because it allows you to sand and paint in record time, meaning your weekend projects are finished before Sunday dinner. You'll appreciate how the high-density technical composition mimics real wood grain, providing the most seamless finish imaginable while remaining completely non-toxic and low-odor for your indoor environment. Plus, because this elite putty is exceptionally stainable, you get a flawless color match that makes those old cracks virtually disappear. It's truly the ultimate professional-grade choice for achieving a pristine look with minimal effort.

Wood Filler Putty Repair Kit

Wood Filler Putty Repair Kit

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Struggling with those eyesore cracks and nail holes ruining the look of your crown moulding? You don't have to settle for a sloppy finish when this professional-grade wood putty is designed to make those defects disappear for good. Its quick-drying, shrink-resistant formula means you won't be stuck waiting around or dealing with reapplications, while its stainable and paintable texture ensures your repair blends perfectly with your existing decor. Whether you're a seasoned pro or a weekend DIYer, you'll love how easily it sands down to a smooth, seamless finish that stands the test of time. Stop staring at those gaps and grab a tube to finish your project right!

QuikWood Epoxy Putty Stick

QuikWood Epoxy Putty Stick

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Tired of those unsightly gouges and gaps in your crown moulding making your home feel like a fixer-upper gone wrong? Don't sweat it, because QuikWood is the hand-kneadable magic wand you need to make those imperfections vanish without the mess of traditional fillers. All you've got to do is cut off a chunk, knead it between your fingers until the color is uniform, and press it firmly into the damaged area to rebuild the profile. Because this epoxy won't shrink or pull away as it cures, you're guaranteed a flush, professional finish that won't crack over time, saving you from frustrating re-fills. Within just twenty minutes, it's hard enough for you to sand, drill, or paint, so you can get that seamless, polished look back on your trim and get on with your day.

J-B Weld Headlight Restore Premium Kit

J-B Weld Headlight Restore Premium Kit

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If you've been looking for the ultimate way to rescue your damaged moulding, you'll find that this professional-grade, two-part epoxy wood putty is the most reliable solution for a flawless restoration. You see, its high-strength chemical formula is engineered to be completely waterproof and shrink-proof, which means you get a permanent, rock-solid bond that won't crack or pull away over time like ordinary fillers. Since it transitions from a workable paste to a sandable, paintable surface in just minutes, you can easily sculpt it into intricate profiles for a seamless finish that looks better than new. It's honestly the toughest, most versatile product on the market, giving you industrial-grade durability while ensuring your home's decorative trim remains in architectural-grade condition for years to come.

Old Masters Wood Putty - Natural

Old Masters Wood Putty - Natural

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Tired of those pesky nail holes and gaps ruining the vibe of your beautiful crown moulding? You can stop stressing because Old Masters Wood Putty is the secret weapon you've been looking for to get that flawless, pro-level finish without the headache. To use it, just grab a small amount and press it firmly into the hole or crack with your fingertip, then simply wipe away the excess with a clean cloth for a smooth-as-butter surface-no messy sanding required. Because this specialized formula is non-hardening and stays pliable, it won't shrink or crack over time like traditional fillers, meaning your repairs stay invisible even when your home naturally shifts with the seasons. You'll love how the natural tint blends right into your wood tones, giving you a seamless look that makes your DIY work look like it was done by a master craftsman.

REALINN 40-Piece Wood Furniture Repair Kit

REALINN 40-Piece Wood Furniture Repair Kit

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Tired of staring at those annoying nicks and gouges ruining your beautiful crown moulding? We've all been there, but you don't need to hire a pro when the REALINN Wood Furniture Repair Kit makes DIY fixes a total breeze. This versatile kit features 12 unique, intermixable colors that let you custom-blend the perfect shade, ensuring your repairs disappear into the wood grain for a seamless, professional finish. Because it uses a high-quality, quick-drying resin, you get a durable fix that won't shrink or crack over time, keeping your home looking sharp without the hefty price tag. Stop stressing over surface damage and restore your trim to its former glory today-grab your kit now!

VIKEYTIM High-Strength Universal Super Glue

VIKEYTIM High-Strength Universal Super Glue

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Nothing ruins the look of your custom crown moulding like unsightly gaps, cracks, or those distracting nail holes left behind after installation. You don't have to be a master carpenter to achieve a flawless finish; you just need VIKEYTIM Wood Putty to bridge those awkward imperfections effortlessly. This high-performance acrylic formula is incredibly easy to spread into tight corners, and because it's specifically engineered to be non-shrinking and sandable, your repairs will remain smooth and invisible once you apply your final coat of paint. Whether you're a seasoned DIYer or tackling your first trim project, this putty eliminates the frustration of brittle fillers that crack over time, giving you a professional result that actually lasts. Stop letting those small flaws distract from your hard work and give your home the polished look it deserves. Grab a tube now and finish your project like a pro!


Selecting the Best Wood Putty for Intricate Moulding Profiles

Choosing a filler for detailed profiles requires a balance between malleability and structural hold. For intricate curves and coves, a high-viscosity paste is essential to prevent sagging before the product sets. Professionals often select fillers based on the following criteria:

  • Plasticity: The ability to be molded into sharp edges.
  • Grain Mimicry: How well the texture blends with the surrounding wood species.
  • Drying Time: Fast-setting options are preferred for vertical decorative elements.

Technical Guide to Filling Gaps in Decorative Crown and Baseboards

Crown moulding and baseboards often face gaps due to uneven wall surfaces. The technical approach involves cleaning the substrate and ensuring the gap depth is manageable for a single application.

Gap Size Recommended Filler Type
< 1/8 inch Acrylic Latex Caulk or Lightweight Putty
1/8 to 1/4 inch Two-part Wood Resin or High-Solid Putty

How to Prevent Shrinkage and Cracking in Miter Joint Fillers

Shrinkage occurs when solvents or water evaporate from the filler, leaving a concave surface. To prevent this, apply the putty slightly "proud" (raised) above the surface. This allows the material to settle without dipping below the level of the wood. Using a non-shrinking, two-part epoxy or polyester-based filler is the most effective way to maintain the geometric integrity of a miter joint.

Choosing Between Water Based and Solvent Based Putty for Trim Work

The choice depends on the environment and the desired finish. Water-based putties are favored for indoor trim due to low VOCs and easy cleanup. Solvent-based options offer superior durability for exterior trim or areas prone to high humidity.

  1. Water-Based: Dries quickly, easy to sand, eco-friendly.
  2. Solvent-Based: Highly water-resistant, stronger bond, requires mineral spirits for cleanup.

Structural Integrity of Wood Putty for Filling Large Voids in Moulding

When repairing large chunks or missing sections of moulding, the filler must act as a structural replacement. Standard wood doughs are insufficient for voids exceeding half an inch. In these cases, builders utilize high-density epoxy resins that can be drilled, screwed, and shaped like real wood without losing internal cohesion or debonding from the substrate.

Optimal Application Techniques for Seamless Paint Grade Moulding Repairs

Achieving a seamless look on paint-grade trim requires precise application. Use a flexible stainless steel putty knife to press the material deep into the void. For curved profiles, a finger or a contoured rubber spreader ensures the putty conforms to the original design. Always feather the edges out to minimize the transition line between the filler and the wood.

Sandability and Adhesion Standards for Restoration Grade Wood Fillers

Restoration projects demand fillers that adhere to aged timber while remaining easy to sand. A high-quality restoration filler should not "gum up" sandpaper. It must reach a Shore D hardness level comparable to the wood itself to ensure that sanding blocks do not create uneven depressions around the repair site.

Managing Moisture Content Compatibility in Wood Putty and Trim Materials

Wood expands and contracts with humidity changes. If the putty is too rigid, it will pop out; if it is too soft, it will deform. Ensure the trim's moisture content is between 6% and 8% before application. Using a flexible filler allows the joint to accommodate seasonal movement without fracturing the paint film.

Troubleshooting Discoloration and Flash Through in Finished Moulding Joints

"Flashing" occurs when the filler absorbs paint differently than the wood, leaving a visible patch. To prevent this, always apply a high-quality primer over the dried putty. This seals the porosity of the filler. Additionally, check for chemical compatibility; some solvent-based fillers can bleed through light-colored latex paints if not properly sealed with a shellac-based primer.

Industrial Standards for Wood Putty Durability on High Traffic Baseboards

Baseboards are subject to mechanical impact from vacuums and footwear. Industrial standards prioritize impact resistance and shear strength. For these areas, a fortified wood filler containing glass fibers or hard resins is recommended. These materials offer the necessary toughness to withstand daily wear while maintaining a permanent bond to the baseboard substrate.


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Marcus Thorne brings over 15 years of experience in executive search and corporate headhunting to Covlett.
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