

🕷️ Lock out pests, lock in peace of mind.
Dethlac Spray is a 250ml aerosol insecticide that forms an invisible, weatherproof lacquer barrier to kill and prevent ants, cockroaches, woodlice, and other crawling insects. Safe for indoor and outdoor use, it offers long-lasting protection on multiple surfaces with a trusted formula refined since 1959.





| ASIN | B000TAQU4Q |
| Batteries required | No |
| Best Sellers Rank | 3,384 in Garden ( See Top 100 in Garden ) 42 in Indoor Insect & Pest Control 66 in Indoor Multi-Insect Control |
| Customer Reviews | 4.3 4.3 out of 5 stars (6,044) |
| Date First Available | 9 July 2007 |
| Included components | Aerosol Can |
| Is assembly required | No |
| Item model number | TVS001 |
| Item volume | 250 Millilitres |
| Item weight | 0.25 Kilograms |
| Product Dimensions | 206 x 163 x 216 cm; 250 g |
| Specific uses | Active |
| Specification met | USDA |
| Warranty description | Manufacturer Fault |
C**2
BRILLIANT FLY REPELLANT
This is the best stuff. Thank goodness it is back in stock. We have a problem with flies living in the double glazing frames. A good spray of this all round keeps them away for six months or more. Flies just don`t come back. Highly recommended. Would also work for other flying bugs.
A**R
Reassuring to help keep bugs at bay
Seems to work at keeping creepy-crawlies out of house, use around doors windows skirting boards
D**Y
Death to all creepy crawlies-hooray !
Not had the ant killer, but the insect one, Same difference we guess. Use it each year in our orangery as it attracts wood lice in there, did the trick after just one spray! No overpowering spray, lasted all winter up to now. Good value for money too.
E**Z
Insect spray
Great spray. Keeps spiders at bay. Used on my caravan inside and outside
S**H
Spray lacquer lasts
I have used Deathlac for many years but recently it doesn't seem as potent as it was. Perhaps a change of formula? It's a lacquer based spray that does keep working for a long time. It can be sprayed on walls or steps to deter ants from entering the property. Much better than the powder alternative.
C**A
Really works even on Spiders which isn't mentioned on the tin!
Used this product for years now to spray windows and doors to deter Spiders, works a treat! Used to be easy to get hold off on stores like B&Q however it seems to have disappeared from shops now but was r Elieved to find it available from this seller on Amazon and although the price has increased from what I used to be able to get it for its still worth it for a house full of arachnophobes and with free delivery I was happy :) of you have white uPVC it will stain it eventually I tend to try and stick to the inside of the frame, but with a bit of elbow grease the stains do come off but obviously y then the product is gone so tend to wait till after spider season to clean off properly. Normal window cleaning does not effect the product it lasts a few months I tend to respray every 2-3 months. Arrived on time with full tracking right up to the knock on the door :)
S**0
It works, and it works well!
It started with a couple of ants...Found in my conservatory, a spray outside of a 'similar' product, appeared to do the job...Or so I thought. A few days later there were more ants, so I used caulk to seal the gap between laminate floor and skirting board trim, this appeared to do nothing other than give the ants an excuse to find any possible gap that was left in the vicinity, which they did, including 1 super-ant who appeared to break through caulk (he must have had his weetabix). In tribute to that particular ant, I let him escape outside, a mark of respect for what he had done, with a warning that a re-appearance would not be tolerated, I would assume he heeded the warning, if he did not and was caught in the battle mentioned below, RIP super-ant. Basically, caulking the gaps was not working, so much so, that they ended up coming through under the door between lounge and conservatory, which was a total pain, this was now time for a proper battleplan. Stage 1 = This involved lifting up the carpet in the lounge, and placing small amounts of ant-powder all across the edges, followed by a spray of 'Dethlac' a double solution you could say. Basically any point they were getting in there from, was blocked with powder and spray. Put the carpet back down (gently, so as not to get a cloud of ant powder in your face) That ended their advance into the lounge, and kept them inside the conservatory, where I had deliberately left 1 small hole near the skirting, every so often, I would see an ant poke its head out of there, and have a wander around. That to me, meant, the problem was not solved, merely slowed down. Stage 2 = Find the entry point, given I had not seen any obvious routes into the house, and had placed ant powder outside the entire perimeter of the conservatory, without success, the only place they could realistically be coming from, would be under the patio door (again, this was not visible but seemed the only plausible route in). Out came the Dethlac, sprayed under the outside of the door, including the gaps around it, and the gap between the door opening/sliding part. The result, no more ants. I had been recommended Dethlac, by a family member. and noticed it was not readily available in the usual stores, and whilst I am not saying other products would not work, it would seem Dethlac is the best, certainly in my experience. I will probably re-spray the area every 2 months or so, over the summer, and that should hopefully keep the ants away.
M**H
Does what it says on the tin
Arrived very quickly, very good against ants, and value for money.
Trustpilot
1 week ago
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