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According to Leo Buscaglia “Worry never robs tomorrow of its sorrow; it only saps today of its joy.”

May 19, 2025

Say Goodbye to Crawling Pests with Dethlac Insecticidal Lacquer: My Review

3 cans of Dethlac Insecticidal Lacquer standing upright on a windowsill, with a few ants visible in the background. Image description: "Dethlac: Your trusted solution for tackling crawling insects in and around your home

So these creepy crawlies just seem to appear out of nowhere, don't they? Honestly, sometimes I wonder how they even get in! For me, I reckon leaving the windows open for some fresh air is a big invitation. You know how it is – those flying ones hover around, just waiting for that gap, and as soon as you open it, BAM! They're in, acting like they pay the rent. And then there are the ones that seem to magically appear from cracks and holes. You just see them scuttling about, and you're left scratching your head, wondering where on earth they came from.

But while you're playing detective trying to figure out their entry points, you need to be prepared. That's why having a good Insecticidal Lacquer on hand is a must in my book. For me, it's non-negotiable to spray around the house corners, under the bed, and behind the sofas. I mean, the thought of anything crawling on my skin is enough to send shivers down my spine and keep me up all night. Seriously, I'd be losing sleep over it! So, I always recommend giving your place a good spray, even if you haven't spotted any invaders. It's like a preventative measure, keeping those unwanted guests at bay.

Well, today I'm excited to talk about a new product I'm trying out for the very first time: Dethlac Insecticidal Lacquer. And get this – they actually sent me three cans. I was genuinely chuffed because I had a bit of a nightmare last summer with another insecticide. I sprayed the whole house, and honestly, it felt like it attracted more insects. It was so frustrating, and I ended up having to buy another brand. It just goes to show, there are a lot of dodgy products out there. Some work, some don't, and you also need to be mindful of what's in them. You don't want to be chasing away bugs while potentially harming yourself in the process, right?

That's why I always say, no matter what insecticide you use, never hang around in the same room right after spraying. Let the air circulate and do its thing before you go back in. For even better results, I tend to close the windows and doors, give every room a good spray, and then head out for a little walk, maybe 10-20 minutes. When I come back, I open the windows a crack for some cross-ventilation, and then you're usually good to go.

Dethlac Insecticidal Lacquer has been around since way back in 1959, apparently, and it's designed to effectively control ants, cockroaches, woodlice, and other crawling insects in your home and garden. They say it works fast, and it's available to buy now (check their stockists page to find out where you can grab some).

What makes Dethlac unique is that it's a lacquer. It's super effective at getting rid of those pesky ants, woodlice, and cockroaches, and it's meant to keep working for months. It's also HSE & PCS approved for both amateur and professional use, which is reassuring. They even claim that Dethlac Ant & Insecticidal Lacquer has been the best ant killer on the market for 65 years, with millions of loyal customers across the UK. That's a pretty bold claim.

Easy application: Simply spray Dethlac along insect trails and entry points

One of the things that caught my eye is that Dethlac is said to be completely safe around children and pets once it's dried. That's a huge plus for households with little ones or furry friends. Once you spray it, it dries to a hard, clear film that keeps working for months. Apparently, it even holds up when it rains (for those garden ants) or if you wash the surface with detergents (think kitchen floors). You can use it indoors and outdoors on any firm, non-absorbent surface like door frames (not UPVC though, take note!), skirting boards, shelves, concrete, and patios. They even say you can get rid of flying ants by spraying surfaces before they take off.

A dried, clear layer of Dethlac visible on a concrete patio near an ant trail. Image description


Dethlac targets ants, woodlice, cockroaches, silverfish, and other crawlers with its lacquer-based formula. It's supposed to create a long-lasting barrier that both prevents and kills insects within hours of them coming into contact with a treated surface. Sounds perfect for spraying along those insect trails, entry points, and where they might be nesting for effective ant control.

Whether it's inside your home, in the garden, garage, shed, or on the patio, Dethlac claims to provide reliable protection wherever you find those crawling critters. And because it's weatherproof once dry, it should continue to work even after rain, moisture, or regular cleaning. This sounds ideal for outdoor areas and those high-traffic spots where you need long-lasting defense.

It comes in a handy 250ml aerosol can, which should make it easy to apply precisely and without making a mess on floors, skirting boards, door frames, windowsills, and other places where insects like to hide.

The fact that Dethlac has been a trusted name for over 60 years is also reassuring. Being around since 1959 and being a go-to solution for generations suggests they must be doing something right, providing effective pest control and peace of mind.

You know, we often take road trips and visit nature parks. Sometimes, we drive our car into bushy areas, so we spray our car beforehand to make sure we're protected. No one wants to be driving on the highway with an insect crawling on them.

Have I tested this product? Yes, I have. I used it in an area where insects were flying around and bothering us. I sprayed it on a spot on the ground, and while we were there, we didn’t notice any insects coming near that area anymore — so in that sense, it worked. I’ve also used it in my house, and the spray isn’t offensive or harsh.

Another important thing about using a good product is knowing where to buy the original version. Just knowing about it isn’t enough. So I’ve included where you can get this product. Here are three places: Amazon, Home Essentials, and Petfix.

A legacy of trust: Dethlac has been effectively controlling pests for over six decades

Have you tried Dethlac before? What are your go-to methods for dealing with crawling insects? Let me know in the comments below.
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40 comments

  1. Thanks for sharing Melody!
    Take care, have a wonderful week.

    ReplyDelete
  2. Mas não se deve matar as formigas e outros insetos... O melhor mesmo é tentar afastá-los com repelentes. mas não se esse inseticida mata ou repele...
    Boa semana.
    Um beijo.

    ReplyDelete
    Replies
    1. Totally get where you're coming from — I used to feel the same way. I’m all for living peacefully with bugs until they start treating my kitchen like it’s their Airbnb.

      Dethlac actually does kill, not repel — it’s more of a last resort thing when nothing else has worked. Trust me, I tried people have tried all the gentle stuff first — peppermint oils, vinegar sprays, even those little citrus peels. The ants just laughed at them and brought their cousins. So yeah, Dethlac stepped in when it was time to draw the line.

      Delete
  3. Boas sugestões. Obrigada.
    Uma boa semana.
    Um beijo.

    ReplyDelete
  4. Haven't see this product here in the States...but most of them are not good!
    hugs
    Donna

    ReplyDelete
    Replies
    1. Yeah, I feel you — so many products promise the world and then the ants are back doing laps around your sink the next day.

      It’s more common in the UK and some parts of Europe.

      Delete
  5. I don't like using things like this that kill the insects. We get a lot as we live near a forest so plenty creepy crawlies! I prefer to use natural deterrents rather than killing them. Cinnamon is a great deterrent for ants. A lot of insects don't like peppermint either. So they recommend hanging peppermint teabags. I really don't like killing insects and don't see them as pests. I know a lot of people would disagree with me though!

    ReplyDelete
    Replies
    1. Totally hear you — living near a forest must be like having nature right at your doorstep and in your hallway sometimes. I admire how you handle it, honestly. Cinnamon and peppermint are solid choices. I get not wanting to kill them — if I could just ask them nicely to leave, I would. But when they set up camp in my cupboard and start acting like rent-paying tenants... well, that's when I had to bring out the big guns. Definitely a personal choice though, and I respect yours 100%.

      Delete
  6. Olá, amiga Melody
    Muito interessante sugestão aqui trazes. De facto esses produtos são importante para acabar com as pragas de insetos indesejáveis.
    Excelente paratilha.

    Deixo os meus votos de uma boa semana, com tudo de bom.
    Beijinhos, com carinho e amizade.

    Mário Margaride

    http://poesiaaquiesta.blogspot.com
    https://soltaastuaspalavras.blogspot.com

    ReplyDelete
    Replies
    1. Sometimes it just takes the right product to make a big difference, especially when those little pests just won't take a hint. Appreciate you stopping by and sharing your thoughts.

      Delete
  7. I never use insecticide of any sort. All these so called creepy crawlies are a vital part of the ecosystem, they're food for other creatures and insecticides are poisons that have far reaching consequences. On the other hand, I do slap (and kill) any midge or mosquito that bites me!

    ReplyDelete
    Replies
    1. Haha yep, I think a lot of us have that double standard — we’re all peace and love until something starts snacking on us, then it’s game over.

      I totally get what you’re saying though. It’s true — everything plays a role in the ecosystem, and I respect that. Honestly, I try the natural route first whenever I can. But when the ants come marching in like they own the place? Sometimes you just snap. That said, you’ve made a really good point — it’s definitely something to think about more carefully.

      Delete
  8. Sounds like a wonderful and reliable spray dear Melody 👍
    Although we live in dry part of land with really less rains and humidity but we too face such issues during winter and spring season. We spray our bedroom on regular basis. But sadly the spray is very harmful for inhaling and hurts nose with sneezing and sore throat immediately if one doesn’t masked properly.
    Much love and best wishes 🥰♥️

    ReplyDelete
    Replies
    1. Thanks for sharing that — I totally get it. Living somewhere dry doesn’t mean you’re off the hook with pests, does it?

      I’ve had the same problem with sprays that irritate your nose and throat. That’s why I liked Dethlac — since it’s a lacquer, it kind of stays put and doesn’t float around in the air as much, so less sneezing and discomfort. Still gotta be careful, but it felt a bit gentler on me.

      Really appreciate the love and good wishes — sending some right back at you.

      Delete
  9. I don't use such products unless there is an invasion I can't cope with using any other methods.

    ReplyDelete
    Replies
    1. Sometimes you just hit that “enough is enough” point.

      Delete
  10. I haven't tried this, but it definitely sounds like something that would come in handy at times! Something that is hard about this time of year is dealing with pests. It's great that you have a product that will work and isn't too harsh. Thank you for the review! I hope you have a wonderful week <3
    the creation of beauty is art.

    ReplyDelete
    Replies
    1. Aw thank you — that’s so kind. And yes, this time of year it’s like every bug gets the same memo: “invade now” Dethlac has honestly been a lifesaver when things get a bit out of hand. It’s not something I use all the time, but when I do, it actually works — and that’s rare these days. Hope you have a lovely week too, and may your home stay bug-free and peaceful.

      Delete
  11. I cannot stand nuisance insects!!! The worst are mosquitoes!!!

    ReplyDelete
    Replies
    1. Oh, absolutely — mosquitoes are the absolute worst. Like tiny vampires with zero chill. One bite and suddenly it’s an all-out war zone on your skin.

      I’m with you 100%. I’d rather deal with ants or spiders than those relentless little buzzers any day. What’s your go-to move when mosquitoes come knocking?

      Delete
  12. Creo que en España tenemos productos similares, los consejos que nos das para su utilización son los que siempre escuche.
    Por lo que nos dices te pareces a una sobrina que cada vez que entra un mosquito parece que entro una banda de ladrones.

    Saludos.

    ReplyDelete
    Replies
    1. Haha, I love that — being compared to a niece on mosquito patrol is spot on! Honestly, sometimes it does feel like a full-on invasion, no matter how small the bug is.

      Glad to hear the advice sounds familiar! These products really are a handy last line of defense when the natural stuff just doesn’t cut it. It’s all about knowing when to bring in the big guns without going overboard. Thanks for the laugh and for sharing.

      Delete
  13. great review. Thank you for your opinion. Unfortunately I don't know this product but I would really like to know it. I can't stand insects, they can be really annoying. Some pests can even be dangerous, for a small child like my son. It's worth knowing such products, it's worth taking care of your comfort and safety.

    ReplyDelete
    Replies
    1. You’re absolutely right — some pests can be more than just annoying, especially around kids. That’s why I felt it was worth sharing my experience with Dethlac. It’s not something I’d recommend using all the time, but when you need a reliable way to keep the bugs at bay, it’s a solid option.

      I hope you get to try it one day — having that peace of mind is really something else. Keeping your home safe and comfy is definitely worth it. Thanks for stopping by and sharing your thoughts.

      Delete
  14. Gracias por al recomendación. Te mando un beso.

    ReplyDelete
  15. Sounds like a good product. I am always trying to find one here that gives ease of mind. I keep hearing this Irish Spring if shaved and placed, will keep ants out of the house.

    ReplyDelete
    Replies
    1. Oh yes — I’ve heard the Irish Spring trick too.

      That said, it doesn't really stop my ants — they just stepped over it like, “nice try.” But hey, every house is different, and sometimes those quirky hacks do the job. If it doesn’t work, Dethlac’s definitely worth a try — it’s not the prettiest product, but it gets the job done.

      Delete
  16. Replies
    1. Sometimes you just need a little backup when the bugs won’t take the hint. Glad I’m not the only one who gets it — makes me feel less dramatic about going full pest-control mode now and then.

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  17. Replies
    1. You should try it out and also let me know what you think.

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  18. Haven't seen it down here but I'm sure we have something similar.

    ReplyDelete
    Replies
    1. Hopefully they get to where you are so you can try them out.

      Delete

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“A Soft Answer” Wednesday, June 18, 2025

Key Verse “A soft answer turneth away wrath: but grievous words stir up anger” (Proverbs 15:1). Text —Proverbs 15:1-4 Message Two contrasting scenarios in the Book of Judges portray the truth of today’s text. Gideon was challenged by the men of Ephraim and his soft answer averted what could have brought a destructive war (Judges 8:1-3). A few years later, the quarrelsome Ephraimites met their match in an equally short-tempered Jephthah. He was a Gileadite from the tribe of Gad. Rough words flew back and forth, and a devastating war broke out between the two tribes. By the time the dust cleared, 42,000 Israelites were dead (Judges 12:1-6). Speaking the right words would have prevented that. The heart and the mouth are connected, therefore grace in the heart produces graciousness in the lips. Graciousness is the ability to speak words that promote peace and harmony in otherwise tense situations. Opportunities to exhibit grace or else bad manners will arise every day in the home, at school, or on the streets. Unsaved youths lose the battle every time; they speak bad words, show rude manners even to elders, they have no respect for anyone. Today is International Day for Countering Hate Speech. Quote The heart and the mouth are connected Challenge Practice graciousness in your speech today. Prayer for today Set a watch before my mouth, O Lord.
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