How often should timber decking be replaced?

Question

We've got a hardwood deck that's about 12 years old. Some boards are starting to grey and split at the ends. Is this the beginning of the end or is it still worth treating and keeping?

Blerim · Answer

Hardwood decking doesn’t have a set replacement age. If the boards are structurally sound, greying and minor splits can usually be addressed with cleaning, sanding, and treatment, extending the deck’s lifespan for many more years

Bradley · Answer

Timber decking typically lasts around 10–15 years, but it can vary quite a lot depending on the timber, installation, and maintenance.

* Softwood decking: usually 8–15 years
* Hardwood decking: often 15–25+ years
* Well-maintained decking: can last longer
* Poor drainage, constant damp, or lack of treatment: can reduce its life considerably

You don’t necessarily need to replace the whole deck just because it’s getting old. If the joists and frame are sound, individual boards can often be replaced.

Signs it needs replacing

Look for:

* Boards that feel soft or spongy underfoot
* Rot around screw holes or board ends
* Cracking/splitting that’s becoming extensive
* Joists that are rotten or structurally weak
* Persistent slippery areas from decay/algae
* Boards that are badly warped or lifting

If you’re considering taking on the West Byfleet gardening job from the screenshot, and the customer has mentioned decking, you can send me a photo of it and I can tell you whether it looks like cleaning/treatment, partial board replacement, or a full replacement is likely.

Andrew · Answer

Whether you should keep or replace your splitting decking boards depends entirely on the depth and length of the cracks. If the crack is say less then 12mm you can repair them by Cleaning the crack, fill it with exterior wood filler or epoxy, sand it flat, and apply a waterproof sealant. I hope this helps if it’s any worse then that I would
Look at getting the boards replaced completely.

Darren · Answer

It’s better to replace the old ones that are getting worse old for new

Marc · Answer

This is sadly a , " how long is a piece of string answer," 
Because it all depends on the condition of the wood. 
If the wood has been well kept and isn't bowed or rotten , you may get another 8 - 10 years use out of it. 
If the only issue is cosmetic ( greying) grab and orbital  sander or an electric planer , take it back to bare wood and re treat it . Wood does split over time , but its noting that csnt be stabilised with an epoxy based stabilising agent

Meti · Answer

no,you should keep it, Twelve years is young for high-quality hardwood. Greying is natural oxidation from UV rays, and end-splitting is normal weather-related drying. Your deck is absolutely worth saving. Because the structural framework is likely sound, cleaning, sanding, and re-oiling will bring it back to life.

How often should timber decking be replaced?

Follow Us

Cookies

Manage Cookies

Essential cookies

Analytics & Tracking

Advertising