I will have to use this indoors on a beam in my sitting room. How long before I can use the room again?

I would give it a good hour as the smell can be quite intense but I've used it in my bathroom quite extensively and it's dry after about an hour. Then I use the bathroom as normal.

Once applied and dried, can it be painted over?

Yes. Just make sure it is completely absorbed and dried otherwise it will taint the paint.

Do you spritz the wood lightly ..or leave it soaking?

Wet but do not soak. Two coats. Done.

Can i use it on my shed which has been painted with blue wood preserver

As with all woodworm treatments, the recommendation is not to use on painted/ coated wood as it can’t soak into the timber.

Barrettine Premier Woodworm Killer Spray 500ml

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Description

🐛 Protect your legacy—kill woodworm before it kills your wood!

ECO AWARE APPLICATION - Formulated to minimize odour and reduce environmental impact while delivering long-lasting results.
LOW ODOUR HIGH IMPACT - Enjoy a powerful treatment without the harsh chemical smell—perfect for indoor use.
ULTIMATE WOODWORM DEFENSE - Penetrates deep to eradicate wood-boring insects and larvae, protecting your timber from the inside out.
COMPREHENSIVE PEST CONTROL - Targets all common woodworm species including furniture beetle, longhorn beetle, and powder post beetle.
VERSATILE TIMBER PROTECTION - Safe for both internal and external wood structures including furniture, flooring, and beams.

Barrettine Premier Woodworm Killer Spray is a 500ml low odour, oil/spirit-based treatment designed to penetrate deeply and eradicate wood-boring insects, larvae, and eggs. Suitable for both internal and external timber, it effectively protects furniture, flooring, and structural wood from common woodworm species. Its low odour formula makes it ideal for indoor use, while its powerful biocidal action ensures long-lasting protection. Use responsibly to safeguard your wooden assets and maintain a pest-free environment.

Specifications

ASIN	B07355NDGD
Batteries Required?	No
Batteries included?	No
Best Sellers Rank	8,683 in Garden ( See Top 100 in Garden ) 157 in Indoor Multi-Insect Control
Colour	Clear
Customer Reviews	4.4 4.4 out of 5 stars (456)
Date First Available	19 Sept. 2017
Delivery information	We cannot deliver certain products outside mainland UK ( Details ). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout.
Guaranteed software updates until	unknown
Included Components	1 x 500 ml Solvent Preserver Woodworm Killer Trigger Spray
Item Package Quantity	1
Item Weight	470 g
Item model number	SPWW.50
Manufacturer	Barrettine
Material	Oil, Solvent, Water
Package Dimensions	24.5 x 9.8 x 5.1 cm; 470 g
Part Number	SPWW.50
Power Source	ac
Size	500ml

Reviews

A**M

Works

They have stopped eating my garden posts so. It worked

12.07.2025

V**R

Great product

Great product and easy to use good value for money came on time

25.04.2025

S**S

Seems ok

I have little dogs, bought this because it said it was safe for them if used properly. Very little scent and easy to use

19.08.2024

J**T

great product.

This is the best woodworm killer. It sprays into the holes and kills them off before they can fly off. Great product, superfast delivery. Thanks.

13.08.2026

R**L

Leaky dispenser

The product itself seems ok (although not had it long enough to really know), but the hand spray dispenser was extremely leaky in use and I had to transfer the contents to another hand spray. Bearing in mind this stuff is hazardous it needs to be a better quality container.

18.08.2022

S**.

Good buy

Did the job

27.01.2025

R**S

Good product

10.02.2026

S**E

Probably does what it says on the bottle!

Not sure if this works yet as need to wait and see if wood worm reappears! Trigger on spray sticks every couple of sprays , hence loss of star for ease of use.

6.09.2020

S**I

عملي وممتاز

ممتاز يقضي علية ويمسح اثره

23.06.2026

E**R

Effective

After used for 2-3 day, noticed most of the wormmites is reducing

14.09.2024

أ**د

عملي

تم القضاء على الرمله في المنزل

30.04.2024

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€ 28.66

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TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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Great price for an authentic product. Fast international shipping too!

3 weeks ago

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Barrettine Premier Woodworm Killer Spray - 500ml

Description

Specifications

Reviews

Common Questions