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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Description

🪵 Protect your legacy, not just your wood!

DISCREET LOW ODOUR - Formulated with a low odour blend, so your living or workspace stays fresh while the treatment works.
TRUSTED EASY TO USE - Comes in a convenient 500ml trigger spray for precise application—professional results without the hassle.
VERSATILE APPLICATION - Perfect for furniture, flooring, and structural timbers—internal or external—giving you all-around protection.
FAST ACTING CONTACT KILL - Kills woodworm larvae and eggs on direct contact, stopping infestations before they start.
ULTIMATE WOODWORM DEFENSE - Penetrates deep to eradicate wood-boring insects and larvae, protecting your timber from the inside out.

Barrettine Premier Woodworm Killer Spray is a powerful, low odour oil-based treatment designed to prevent and eradicate wood-boring insects, including larvae and eggs. Suitable for both internal and external timber, it penetrates deeply to protect furniture, flooring, and structural wood. Delivered in a convenient 500ml trigger spray, it offers professional-grade protection with minimal fuss.

Specifications

ASIN	B07355NDGD
Batteries Required?	No
Batteries included?	No
Best Sellers Rank	22,344 in Garden ( See Top 100 in Garden ) 232 in Indoor Multi-Insect Control
Colour	Clear
Customer Reviews	4.4 4.4 out of 5 stars (455)
Date First Available	19 Sept. 2017
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

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