Boncart Drywall Repair Kit,2 Pack Wall Mending Agent,Wall Spackle with Scraper, Wall Surface Hole Fill Quick and Easy Solution

Over a long weekend of touch-ups and a small wall access repair, I put the Boncart drywall repair kit through its paces. My punch list ranged from nail holes and hairline cracks to a larger cut-out I’d made to reach a pocket door track. The kit’s promise is straightforward: squeeze, smooth, sand, and paint. In practice, it largely delivers—especially for small to mid-size repairs—while leaving a couple of gaps DIYers should be aware of.

What’s in the kit

Boncart includes two 100 g tubes of mending compound, two nozzle extenders, a small plastic scraper, and two sheets of sandpaper. The tubes are resealable, the paste is white, and there’s virtually no odor. The extenders are especially handy for hairline cracks and tight corners. Everything in the box is serviceable for small fixes; for broader patches, I supplemented with a wider drywall knife and additional sandpaper.

A quick note on safety and cleanup: the compound is formaldehyde-free, and cleanup is water-based. I didn’t notice any harsh smell, which made indoor work more pleasant.

Consistency and working characteristics

Out of the tube, the compound is a lightweight spackle—creamy but not gritty. On one tube, I found it perfect right away; the other felt a touch thin initially. Kneading the tube for 15–20 seconds helped unify the consistency, which I’d recommend before every session. The product spreads easily, feathers well, and adheres nicely to clean, dust-free surfaces.

Dry time depends on application thickness and humidity. Thin fills on nail holes dried within 30–45 minutes; wider fills at seams took a couple of hours and benefited from a second pass. If you trowel it on too heavy, expect longer dry times and more sanding.

Shrinkage is minimal with thin layers. For wider gaps and seams, I had better results with two or three light coats rather than trying to fill deep in one go.

Small repairs: nail holes, dings, and hairline cracks

This is where the kit shines. With the nozzle extender, I ran a thin bead over hairline cracks, pressed it in using the scraper, and then skimmed a paper-thin layer to feather. After drying, a quick sand with the included paper brought everything flush. Once painted, the repairs disappeared—even under a flat matte paint, I didn’t see telegraphing or pinholes.

On nail holes and small gouges, the compound leveled without slumping, and sanding was quick. If you dislike dust, you can lightly dampen a sponge and blend the edges before it fully sets to cut down on sanding.

Tip: If your existing paint is semi-gloss or gloss, scuff lightly first and consider a primer to avoid flashing.

A larger patch test: seam filling and texture matching

For the access repair, I reattached the cut-out drywall to cleats behind the opening and used paper tape over the seams (tape is not included in the kit). The Boncart compound handled seam embedding and finishing coats competently. It’s not as dense as a traditional setting-type compound, but it held tape fine and sanded cleanly without excessive clogging.

Matching a light hand-troweled texture was doable by stippling with the edge of the scraper on a near-dry skim, then softly sanding to blend. If your wall has heavy orange peel or knockdown, you’ll want a texture spray; this paste can fake light trowel or very subtle textures, but it won’t replicate heavy patterns.

Because the kit doesn’t include mesh patches or tape, anything larger than a coin-sized hole still needs backing support and tape for a durable repair. The compound itself isn’t a substitute for proper patch structure.

Finish, paint, and durability

Once sanded, the surface takes paint well. On flat and eggshell finishes, my results were uniform without stand-out sheen changes. On semi-gloss, I primed repairs to prevent flashing. After a few weeks, I’ve seen no cracking or edge-lifting over filled hairline cracks and nail holes. In a bathroom with normal humidity, there’s been no swelling or softening after painting; “waterproof” is a generous marketing term for a patching compound, but once painted, it’s perfectly fine for typical interior spaces.

The included tools: good enough, with limits

• Scraper: The small plastic scraper is flexible and handy for tight spots and quick fills. For wider seams or feathering large areas, a 4–6 inch metal knife will give you flatter results.
• Sandpaper: Two sheets got me through a handful of small patches and one larger repair. The grit is on the finer side; adding a medium grit speeds initial knockdown.
• Nozzle extenders: Genuinely useful for precision. They also help keep the cap area cleaner for storage.

I would have liked to see a small roll of paper tape or a mesh patch in the box to better support beginners doing anything larger than pinholes.

Practical tips from use

• Knead the tube before use to avoid thin spots; if the first squeeze is watery, wipe it off and continue—consistency typically normalizes quickly.
• Clean and lightly scuff glossy or chalky surfaces for adhesion.
• Work in thin layers for faster drying and less sanding.
• Feather wide with a larger knife if you’re covering seams.
• Prime patches under higher-sheen paints to avoid flashing.
• Cap tubes tightly and clear the nozzle after use; the compound stores well and remains reusable.

Where it fits in a DIY kit

Compared to a traditional tub of premixed joint compound, the Boncart kit trades bulk capacity for convenience and portability. The squeeze tubes are tidy, the lack of strong odor is appreciated, and the extenders make it easy to address nuisance cracks without hauling out a full set of drywall tools. For renters and homeowners tackling periodic wall maintenance, two 100 g tubes are generous. If you’re only fixing a couple of nail holes, it’s more than you need; but if you’re working room to room, the capacity makes sense.

It’s not intended to replace setting-type compounds for structural repairs or heavy build-out work. For holes larger than 1/2 inch without backing, plan to add your own patch materials.

Drawbacks and quirks

• Consistency can feel thin on first squeeze; kneading helps, but patience is required if you over-apply.
• Dry time stretches with thicker applications; multiple thin coats are the better route.
• The included scraper is small; you’ll want a wider knife for broad feathering.
• No mesh patches or tape included, limiting what beginners can do out of the box on larger holes.
• Only two sandpaper sheets; plan to have extra on hand if you’re doing more than a few spots.

None of these are deal-breakers, but they’re worth planning around.

Bottom line

The Boncart kit is a clean, convenient solution for small to medium drywall touch-ups. It spreads smoothly, sands easily, accepts paint well, and doesn’t stink up the room. I appreciated the nozzle extenders for precision and the generous amount of compound across the two tubes. For bigger repairs, you’ll need to bring your own tape or patch support, and a wider knife makes finishing easier. The occasional thinness out of the tube is the main quirk, but it’s manageable with a quick knead and thin-coat technique.

Recommendation: I recommend the Boncart drywall repair kit for homeowners and renters who want an easy, low-mess way to handle nail holes, hairline cracks, minor gouges, and seam touch-ups. It’s not a comprehensive patching system for large holes, and the included tools are basic, but the compound itself performs well and produces clean, paint-ready results with minimal effort.