YOUR EXPERIENCEd LOCAL SPECIALIST

Woodworm Surveys and Timber Treatment in Castleknock

OnGuard Woodworm Services helps owners and property teams in Castleknock check and treat woodworm in roofs, floors and other timber. Staff look past visible holes to assess bore dust, weak spots, nearby areas and signs that may show live beetle work. They then set out suitable care for roof wood, beams, joists, floors or bare features. As each plan is linked to the species and evidence found, clients can act on clear facts instead of guesswork.

Gray composite deck with brick wall and black railing.

Why Visible Holes Do Not Tell the Whole Story

Holes in timber can remain after beetle activity has stopped, while larvae may stay hidden even when little is seen on the surface. Fresh bore dust, new damage or weak boards may add to the evidence, but species and timber condition must also be considered. A professional survey helps put those signs in context. At a Castleknock property, OnGuard checks accessible wood, compares affected areas and assesses whether activity appears live or historic. This shows where treatment may be needed and how far the work should extend. It also lowers the risk of applying a product to old marks without cause or missing active damage within a roof frame, floor joist, beam or other important timber.

A Clear Route from Survey to Timber Care

At the visit, a technician inspects the reported spot and nearby wood for signs that may be linked. The aim is to name the beetle, tell if the issue is live and note how deep or wide the damage may run. If larvae are thought to be inside thick roof wood, a beam or a joist, high-pressure tools can help a professional water-based product pass below the outer face. A careful surface method may suit light signs, one small part or a fine wooden feature. Before the job starts, OnGuard sets out the access needed, the wood to be treated and why that form of care is a good fit. The team can then share tips on damp, air flow and routine checks to support the timber after work.

Dark gray wooden deck with a grassy lawn in the background.
What Our Customers Say
Excellent on Google
out of 5 based on 44 reviews
Very professional and efficient.
Rose O'Donovan
Rose O'Donovan
5 years ago
Keith was brilliant to deal with, will be recommending this company to others in future.
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A O
A O
6 years ago
Fantastic company Very highly recommend from first phone to problem being solved couldn't ask for better .
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Hayley Boland
Hayley Boland
7 years ago
Had the guys out to deal with silver fish in my mother’s house. The man who came was very friendly and the office even rang ahead to let us know when he was on his way which I thought was a very professional touch. Very happy with the service, thank you :-)
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Linda Maria Hickey
Linda Maria Hickey
7 years ago
Great service, woman who answered the call was super professional and friendly, the chap that came out was equally as friendly and new what he was doing, very professional all round, had a large wasp nest formed in my home, got the job done fast and safely, would highly recommend!
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Dave Whelan
Dave Whelan
7 years ago
I phnoed On- Guard on a Monday. Leah was very helpful and Stephen arrived the next day. Stephen did a very thorough job and could not have been more helpful.
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Siobhan Layden
Siobhan Layden
11 years ago
I recently used onguard Woodworm Services on a bad rodent problem in my home, I found the staff extremely friendly and professioanl with a great knowledge of their area of expertise. I will definately not hesitate in using them again and recommending them to anyone with similar problems.
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Kenneth Dolan
Kenneth Dolan
12 years ago
With my three year old little boy in the house, I was horrified to find we had a large number of uninvited furry guests living under the floorboards. Onguard Woodworm Services were phenomenonally fast to respond (same day) and from the initial consultation until the rat infestation was finally cleared, they co-ordinated all functions required to resolve the issue (such as arranging drainage surveys etc). They were not only there for the Woodworm Services, they project managed all other functions as well, leaving me to get on with my work. The service was outstanding and was extremely competitive (I would have honestly paid more than I was charged as you cannot put a price on your family's health). I'd happily recommend Onguard Woodworm Services to anyone that needs expert guidance or a solution to a pest problem.
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Jim Punch
Jim Punch
13 years ago
I have used Onguard on 2 occasions first was for woodworm, they were excellent very professional second for ants. Highly recommended will use them again.
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stephen maher
stephen maher
13 years ago

WHY CHOOSE US

Professional Woodworm Support for Castleknock Clients

OnGuard brings over two decades of woodworm experience to clients in Castleknock. Its technicians are IPCA-certified and use modern tools and professional products, but each plan comes from the signs and timber seen on site. Owners, landlords and property staff get a clear account of what may be active, which areas need care and why the proposed method suits them. Symptoms can often be reviewed by phone, and the firm may provide a free estimate before a visit is set. This gives each client useful facts for the next step.

  • Checks that distinguish live and historic activity
  • Treatment matched to timber depth and use
  • Professional water-based products for affected wood
  • Clear advice on moisture and future care

Specialist Methods for Many Timber Areas and Sites

Woodworm signs may appear in one room while related activity affects other parts of the property. OnGuard inspects and treats attic wood, roof frames, beams, floor joists, staircases, doors, window frames and exposed timber. Its team understands species found in Ireland, including House Longhorn Beetle, Common Furniture Beetle, Deathwatch Beetle and Powderpost Beetle. Identifying the pest and deciding whether activity is current help determine the depth, area and form of treatment. High-pressure application can carry product further into structural wood, whereas a surface method may be right for a limited area or delicate item. OnGuard works with homeowners, landlords, agents, property managers, builders, surveyors, commercial clients, farms and heritage properties. The inspection shapes the job, and the technician explains preparation, access and the treated sections. Care is taken to keep disruption low. Advice about airflow, damp and ongoing checks can help Castleknock clients maintain the wood and notice any later signs that should be assessed.

Support for Surveys, Sales and Treatment Records

OnGuard also carries out timber checks before a purchase, helps when a property survey raises a woodworm concern and supplies treatment records for a sale, lender, surveyor or insurer. Castleknock clients can use this support for homes, work sites, farms and heritage buildings. Clear notes on the signs and work done help owners and advisers plan repairs, record the care already given and decide if more action is due. The team can also explain simple steps for damp control, air flow and day-to-day timber upkeep.