Galvanised Nails (Loose)
Galvanised nails are the ones you reach for when timber's going outside or into damp conditions and plain steel will soon mark, stain, or rust out.
For shed work, fencing, roofing battens and general exterior timber fixing, galvanised nails give you the corrosion resistance bright nails can't. This range covers loose galvanised nails in the sizes and patterns trades actually use, from galvanised round wire nails for rough fixing to clout, oval and lost head options for neater finish work. If you're sorting mixed jobs, start with length and exposure, then pick the head and shank that suit the timber.
What Are Galvanised Nails Used For?
- Fixing external timber such as fencing rails, shed framing and garden structures where damp weather would soon have plain steel nails bleeding rust down the face of the wood.
- Securing roofing battens, felt supports and general outdoor joinery where a galvanised coating helps the fixing last longer through condensation, rain and cold snaps.
- Knocking together site hoardings, temporary timber works and rough carcassing when you need loose galvanised nails you can grab by the handful and drive fast.
- Pinning cladding, trims and lighter timber boards with galvanised clout nails or galvanised lost head nails where the material needs holding firm without making a mess of the face.
- Using galvanised round wire nails for first-fix timber jobs where grip matters more than appearance and the work is going to live outside or in an unheated space.
Choosing the Right Galvanised Nails
Match the nail to the timber, the weather and the finish. Get that wrong and the job either loosens off or looks rough.
1. Pick the Right Length First
If you're fixing thin sheet or trim, do not go overboard and blow straight through the back. For timber to timber, a good rule is the nail should go at least twice the thickness of the top piece into the base material. That is why galvanised nails 50mm and galvanised nails 75mm are common site sizes for general external timber fixing.
2. Round Wire, Clout, Oval or Lost Head
If it is rough first-fix or outdoor framing, galvanised round wire nails are the usual answer. If you're fixing felt or thin board, clout nails give you more holding area under the head. If you want less chance of splitting and a tidier face, oval nails or lost head nails are often the better shout.
3. Think About Exposure, Not Just the Job
If the fixing is going outside, into a roof space, or anywhere that sees regular moisture, galvanised is the safer choice over plain or bright finishes. For sheltered internal work, you may not need it, but for anything exposed it saves call-backs and rust staining later.
4. Buy Loose When the Job Is Mixed
Loose nails make more sense when you're doing snagging, small repair runs or varied timber sections through the day. If you are firing through repetitive framing at speed, move over to collated Framing Nails instead of hand-driving every fixing.
Who Uses These on Site?
- Chippies use galvanised nails for exterior studwork, shed bases, featheredge panels and battening where ordinary bright fixings would not last the season.
- Roofers and roofing gangs keep galvanised clout nails handy for felt, battens and sheet materials where weather exposure is part of the job from day one.
- Fencers and landscapers swear by loose galvanised nails for knocking up gates, rails and boundary repairs quickly without worrying about rust streaks showing through later.
- General builders and maintenance teams use galvanised oval nails and galvanised lost head nails for outdoor repair work when they need a fixing that drives clean and holds in damp conditions.
Useful Extras for Galvanised Nail Jobs
A few sensible extras save bent fixings, split timber and repeat trips back to the van.
1. Claw Hammer or Framing Hammer
If you're driving loose galvanised nails all day, use a hammer with enough weight to seat them cleanly without constant double hits. A light DIY hammer just slows the job down and leaves bent nails everywhere.
2. Nail Punch
For galvanised lost head nails and neater timber trim, a nail punch lets you finish the fixing below the surface without battering the face of the timber with the hammer head.
3. Drill Bits for Pilot Holes
When you're close to board ends or using hardwood, pilot holes stop the timber splitting and save wasting nails. It is a small step that makes a big difference on visible outside joinery.
4. Exterior Screws for Alternative Fixing
Sometimes a nailed joint wants pulling power or easier removal later. Keep Decking & Exterior Screws in the van for gates, decking details and repairs where a nail is not the best fixing.
Choose the Right Galvanised Nails for the Job
Use this quick guide to sort the right nail pattern for the timber and finish.
| Your Job | Galvanised Nail Type | Key Features |
|---|---|---|
| General outdoor timber fixing | Galvanised round wire nails | Strong all-round fixing, quick to drive, good for fencing, shed work and rough first-fix timber. |
| Roofing felt and thin sheet materials | Galvanised clout nails | Broader head spreads the load better and helps stop thin material tearing around the fixing. |
| Neater external joinery and trim | Galvanised lost head nails | Smaller head sits lower for a tidier finish and can be punched below the surface. |
| Fixing where timber likes to split | Galvanised oval nails | Oval shank helps reduce splitting when driven with the grain in slimmer timber sections. |
| Mixed repair work and small snagging jobs | Loose galvanised nails | Easy to grab in the right size as needed, ideal when the day involves different timber thicknesses. |
Common Buying and Usage Mistakes
- Using nails that are too short for the timber. They might bite at first, but the joint soon works loose once the timber dries, moves or takes a knock. Aim for enough penetration into the base timber, not just enough to get by.
- Picking round wire nails for thin sheet or felt. The holding power can be fine, but the smaller head can pull through the material. Swap to galvanised clout nails where the head needs to do more work.
- Assuming any galvanised coating means marine-level protection. Standard galvanised nails are far better than bright steel, but constant wet exposure and harsher environments may need a more corrosion-resistant fixing.
- Driving nails too close to the board edge without a pilot hole. That is a fast way to split dry or narrow timber and weaken the fixing. Back off the edge or drill a pilot if the timber looks likely to crack.
- Buying hand-drive loose nails for repetitive production work. If the job is all day framing or panel fixing, hand nailing just wastes time. For speed, look at collated options and the right gun system instead.
Round Wire vs Clout vs Lost Head
Galvanised Round Wire Nails
These are the general site choice for rough timber fixing. They are strong, easy to drive and suit framing, fencing and outdoor carcassing. They are not the neatest finish, but for first-fix work that usually does not matter.
Galvanised Clout Nails
Clout nails come into their own on roofing felt, membrane and thin timber sheet where a wider head helps clamp material down. They are less about heavy structural holding and more about stopping pull-through.
Galvanised Lost Head Nails
Use these when you want the fixing to disappear more cleanly into trims, mouldings or lighter joinery. They are a better-looking option, but they are not the first pick for rough outdoor framing that takes abuse.
Galvanised Oval Nails
Oval nails are handy where splitting is a concern, especially in slimmer sections. If your timber is prone to cracking, they can be a smarter choice than a standard round shank, provided the job does not need a broad clout head.
Maintenance and Care
Keep Them Dry in Storage
Galvanised nails resist corrosion, but they still want storing dry. Leave open boxes in a damp van or site container long enough and you can still end up with surface dulling and dirty fixings.
Use the Right Box for Loose Nails
Decanting mixed sizes into one tub is asking for grief. Keep galvanised nails 50mm, galvanised nails 75mm and smaller trim sizes separated so you're not guessing length halfway through the job.
Bin Bent or Damaged Nails
If the nail is bent, kinked or the coating is scraped badly, do not force it in. You waste time, mark the timber and end up with a weaker fixing than starting again with a clean nail.
Check Old Open Stock Before External Jobs
Before starting outside work, look over any half-used boxes from the van. If they have gone dirty, clumped up or show obvious corrosion spots, replace them and avoid staining fresh timber.
Why Shop for Galvanised Nails at ITS?
Whether you need galvanised round wire nails for rough timber fixing, galvanised clout nails for roofing work, or a box of loose galvanised nails in the right length for snagging, we stock the range trades actually use. You'll also find the wider Nails & Pins selection, plus alternatives like Bright Zinc Nails when the job is staying dry and internal. It is all in our own warehouse, in stock, and ready for next day delivery.
Galvanised Nails FAQs
What are galvanised nails best used for?
They are best for timber fixing where damp or weather is part of the job. Think fencing, sheds, roofing battens, exterior trims and general outdoor carpentry. The galvanised coating gives far better corrosion resistance than plain bright nails, so you are less likely to get rust stains or early fixing failure.
Can galvanised nails be used outdoors?
Yes, that is exactly where most of them earn their keep. For general exterior timber work, galvanised nails are the normal choice because they handle rain, condensation and damp air much better than standard steel nails. Just match the grade to the exposure, especially on harsher outside jobs.
What length galvanised nail do I need for fixing 18mm timber?
As a rule, aim for a nail around two and a half to three times the thickness of the top piece, so 50mm is a common starting point for 18mm timber. If the base timber is soft and the load is light, that is usually fine. If the joint is structural or exposed to movement, step up if the timber depth allows.
Do galvanised nails rust?
They can eventually, but far later than plain steel. The zinc coating is there to protect the steel underneath, so in normal outdoor building work they last well. If the coating gets heavily damaged, or the nails live in very harsh conditions for years, corrosion can still happen.
What's the difference between hot dip and electro galvanised nails?
Hot dip galvanised nails have a thicker zinc coating, so they are the tougher option for wetter, rougher outside conditions. Electro galvanised nails have a smoother, lighter coating and suit less aggressive environments. If the job is properly exposed, hot dip is usually the safer bet.
Are loose galvanised nails better than collated nails for most jobs?
For repairs, snagging and mixed site work, yes, because you can grab exactly the size and type you need without changing gun loads. For repetitive runs like studding, sheathing or heavy framing, collated fixings are quicker. If your day is mostly one repeated fixing, hand driving soon gets old.
Will galvanised nails split timber?
They can if the timber is dry, narrow or you are too close to the edge. That is not a galvanising problem, just a nail choice and technique issue. Use a smaller diameter nail, switch to an oval pattern, or drill a quick pilot hole if the timber looks likely to crack.
What if I need more holding power than a standard nail gives?
If the joint needs pulling tight or may need stripping out later, a screw is often the better fixing. For wire, stock and boundary work, Fencing Staples can make more sense than standard nails depending on what you are securing.
