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Cedar Posts
Cedar posts are Western Red Cedar posts for pergolas, screens, fence runs, gates and garden structures, with a soft ease edge and the warm honey brown colour cedar is known for. Each post is 90×90 mm, the size often called a 4×4. Cedar is light and naturally resistant to rot, and the posts are stocked in our warehouse and delivered across Ireland.
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Cedar Posts for Sale in Ireland
Western Red Cedar is the timber architects reach for when a structure has to look right for decades. A cedar post brings that look to the uprights of a pergola, a slatted screen, a gate or a garden frame, and it pairs naturally with cedar battens and cedar cladding so the whole build matches.
The grain runs straight and tight with very few knots, and the ease edge takes the sharp corners off each post for a softer, finished look.
Cedar post size
We stock one section, a 90×90 mm cedar post with an ease edge. It is often called a 4×4, the old imperial name for a post roughly 4 inches square, and 90×90 mm is what it measures once planed. So the only choice you make is the length. Shorter posts suit screen and fence posts, gate posts and low frames, while taller screens and pergola uprights need a longer post, with extra length to set in a post base. The calculator on the product page works out how many posts your run needs.
Why choose cedar posts?
Cedar’s natural oils make it one of the most durable softwoods there is: Durability Class 2 and naturally resistant to rot, insect attack and fungal decay, with no chemical treatment required. It is also very light, around 380 kg/m³, so one person can handle and position a post easily and the structure puts little load on its fixings.
Cedar vs other timber posts
For heavier structural posts, see oak beams and posts or Douglas Fir beams and posts, both up to 200×200 mm. For a factory finished post, see MicroShades posts, and for a Durability Class 1 hardwood at the same 90×90 mm size, the Yellow Balau post.
Installing cedar posts
Posts carry the load of everything above them, so set them right:
- Set posts in concrete or, better, on a post anchor above ground. Direct ground contact shortens the life of any softwood. See our concrete post bases and post holders.
- Pre drill all fixings and use stainless steel hardware rated for the load, because cedar stains when it touches galvanised or mild steel.
- Treat any cut ends with preservative before fitting.
Looking after cedar posts
Cedar doesn’t need treating to resist rot, but left bare it weathers from honey brown to silver grey within twelve to eighteen months. Most customers want to keep the warm colour, so they apply a UV protective oil made for cedar within the first few months and refresh it every two or three years. See our exterior wood oils.
See every species in our timber beams and posts range.
Frequently Asked Questions About Cedar Posts
What size are cedar posts?
Our Western Red Cedar posts are 90×90 mm (4×4) with an ease edge. Choose the length on the product page to suit the height of your screen or pergola.
Does a cedar post need treating?
No chemical treatment is required: cedar is Durability Class 2 and naturally resistant to rot, insects and fungal decay. Keep the base out of the ground on a post anchor and fix with stainless steel, not galvanised.
How does cedar change colour outdoors?
It turns from honey brown to silver grey over twelve to eighteen months. To hold the colour, use a UV protective oil made for cedar within the first few months and refresh it every two or three years.