Barrettine Premier Woodworm Killer

Barrettine Premier Woodworm Killer

How much will I need?
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Enter area above for 2 coats (Recommended)

Wood type and application can vary coverage

£12.28 - £32.24
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Quantity
FREE Delivery over £60.Order by 5pm for next day option*
Quickly eliminate and protect against woodworm and woodboring insects.

Features

  • A fast and effective water-based woodworm killer for interior and exterior use
  • Kills woodworm and wood boring insects
  • Offers years of lasting protection against re-infestation
  • Suitable for all timbers
  • Can be over-coated
  • Dries to a clear finish
  • Low odour
Brand
Drying time
48 hrs
Coverage
Up to 5 m2 per litre
No. of coats
2
Size
1L 2.5L 5L
MPN
Please Select Size/Option
GTIN
Please Select Size/Option

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Overview

Overview

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Barrettine Premier Woodworm Killer contains permethrin, and is a fast and effective way of killing woodworm and their larvae. It is ideal for use on ceiling and floor joists, floorboards, wooden beams, furniture, doors and more.

Insect attack can be recognised by small round holes on the surface of the timber and the gritty bore-dust that is left behind. These holes are most likely to be found near joints or on the undersides or backs of furniture. Whilst holes indicate that beetles have emerged, it is likely that larvae remain in the wood.

Barrettine Woodworm Killer kills all common insects, including Common Furniture Beetle, House Longhorn Beetle, Powder Post Beetle and wood boring Weevils, and larvae and eggs when in direct contact.

Please Note: This product has replaced the previous solvent-based version. It is not suitable for use on areas used for the preparation and consumption of food.

Preparation

Preparation

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Ensure the wood to be treated is clean, dry and free from traces of dirt, dust or any other surface contaminants.

  • Any previous finishes, such as paint, stain and varnish, must be completely removed by either sanding back to bare wood or using Barrettine varnish and paint strippers or an alternative paint and varnish remover
  • Special precautions should be taken when removing pre-1960's paint surfaces over wood as they may contain harmful lead

Application

Application

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Always do a test area before starting any project, to test product suitability and final finish. Follow the manufacturer's instructions on the tin at all times. Do not apply in conditions of high humidity or if rain is likely before the product has fully dried.

  1. Shake the tin well before and periodically during use
  2. Apply to clean, dry wood to maximise penetrating power and therefore effectiveness
  3. Remove any bore dust (frass) / sawdust by vacuuming (otherwise this will preferentially absorb the product)
  4. Remove all surface coatings such as paint, varnish etc wherever possible as these coatings inhibit the effective penetration of the product. Note; Special Care to be taken when removing old Lead paints
  5. Badly attacked wood should be cut away and burnt, safely making any necessary structural repairs prior to treatment
  6. Apply by brush or by using a low pressure, coarse (non-atomising) spray
  7. Ensure all surfaces are thoroughly treated and are wet after application (but not dripping) especially any end grain, joints, exit holes of the woodworm or crevices in the wood
  8. It is recommended 2 applications are made to ensure the correct coverage is achieved. Insufficient application may not kill existing infestations nor prevent future attacks
  9. Allow at least one hour between applications to enable the first treatment to fully absorb into the wood

Touch dry in approximately 6 hours under normal conditions.

Finishing

Finishing

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Allow to dry for a full 48 hours before finishing the wood with a suitable wood paint, varnish, stain or wax

F.A.Q.

F.A.Q.

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Can I apply this over varnish or wax?

This product can only be applied to bare wood. Any finish should be completely removed by sanding or chemical stripper. The product needs to penetrate into the grain to do its job.

Reviews

Reviews

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69 customer reviews
4.7/5.0
based on last 18+ months
5 stars
54
4 stars
15
3 stars
0
2 stars
0
1 star
0
4/5
Seems to have done the trick
I don't see any further evidence of woodworm on the area I treated.
John Main. , 1L (27/08/25)
5/5
Did the job
Woodworm treatment. I guess it worked, I wouldn't know, but followed the instructions then coated my stunning piece of sanded elm with some danish oil and looks amazing...
Gabi Pybus. , 1L (06/02/25)
5/5
Very effective product
Really does do what it says on the tin
Simon. , 5L (15/07/24)
5/5
Easy to use and effective woodworm treatment
Easy to use. The smell is quite strong and lingers for some time on treated wood.
Judith Elt. , 5L (13/03/24)
5/5
Great product, excellent service
Really impressed by the service from Wood Finishes Direct. Product v effective too.
Elizabeth Kershaw. , 5L (12/04/23)
5/5
Easy to use!
Easy to use, gave whole area a good coating. No sign of re infestation!!
Christine Pearce. , 1L (16/06/21)
5/5
Good value
Easy to use and seems to work as intended
Trevor Urey. , 5L (08/05/21)
5/5
Not used
I have not used product to date
ALEX FORBES. , 1L (18/04/21)
5/5
Excellent product, speedy delivery! Top service!
Product works well and service from Wood Finishes Direct is consistently excellent. Highly recommend.
Kirsty C.. , 5L (11/01/21)
5/5
Product works :)
But the reason for this review is the excellent service
Damian Neville. , 5L (09/12/20)
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