Cladding Screws

Cladding screws fix cladding boards to the battens behind them, and ours are stainless steel so they will not rust or stain the face of the wall. We stock a 4×40 mm stainless steel screw, 4 mm across the thread and 40 mm long, sold in boxes of 200 for cladding houses, extensions, garden rooms and sheds. Order them with your boards and battens, stocked in our warehouse and delivered across Ireland.

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4mm x 40 - C2 - Stainless Steel - Box of 200

€29.95

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Cladding screws for sale in Ireland

Cladding screws hold every board of a cladding wall to the battens behind it, so they need to be the right size and to keep their looks outdoors. This page holds our stainless steel cladding screw: a 4×40 mm screw, which means 4 mm across the thread and 40 mm long, sold in boxes of 200. It is stocked in our warehouse with the rest of our cladding accessories, so the screws can come on the same delivery as your boards and battens.

Why stainless steel cladding screws

Cladding spends its whole life out in the rain, and the fixings live there with it. Stainless steel does not rust, so the screw head stays clean on the face of the board rather than bleeding a brown stain down the wall. That matters even more on timbers such as cedar and oak, whose natural tannins react with galvanised or mild steel and leave dark streaks around each fixing. A stainless screw avoids that reaction and keeps the face of the cladding the colour you chose it for.

Fixing timber cladding

Before you order, compare the 40 mm length with the thickness of your cladding board on its own product page. The screw has to pass right through the board and still leave plenty of thread gripping the batten behind it. Then work through the wall in this order:

Battens first: fix the battens level and plumb, because every board takes its line from them
Pilot near the ends: drill a pilot hole close to the end of a board so the timber does not split
Keep the lines straight: set the screws in a neat line along each batten, since they stay on show
Set the heads flush: drive each screw until the head sits level with the face rather than sinking it deep

Finishing and looking after cladding

Timber cladding doesn’t need oil to stand up to the weather, but left bare it weathers to silver grey, so most people oil it to keep the colour. Fixing with stainless screws means the oil goes on over clean heads with no rust to seal in. Apply it once the wall is up so the finish covers the board ends and screw holes too, and top it up as the colour starts to fade. Our exterior oils and stains are made for exactly this job.

More cladding accessories

The screws are one part of a finished wall. Cladding battens give the boards something to fix into and leave a ventilated gap behind them, and cladding trims finish the corners and ends neatly. The boards themselves are under timber cladding and composite cladding, and everything that goes with them is in our cladding accessories range.

Frequently Asked Questions About Cladding Screws

What cladding screws do you stock?

We stock 4×40 mm stainless steel screws, sold in boxes of 200. Stainless steel matters outdoors, because the tannins in timbers such as Cedar and Oak react with galvanised or mild steel and leave dark streaks.

How many cladding screws will I need?

Count the fixing points rather than the square metres. Each board is screwed at every batten it crosses, so multiply the number of boards by the number of battens behind them. The screws come in boxes of 200, so round that total up to whole boxes and allow a few extra for any that are dropped or replaced.

Do I need to pre-drill cladding screws?

Drill a pilot hole wherever a screw goes in close to the end of a board, because that is where timber is most likely to split. Along the rest of the board a pilot hole still helps the screw run straight and sit flush, which matters on cladding because every screw head stays on show.