I got a brand new deck last year, and want to know how long I can go before painting it for the first time. Some peoples say a year, others around 5 years.
I need a professional opinion, please.
If this is a Pressure treated deck. Yes after a year you should be fine. The chemicals used in this wood are less toxic now then they used to be years ago and they absorb into the wood much better so it causes much less leaching that used to damage and dis-color paints and stains. If you have a cedar deck there are very few finishes that can ever be applied the will stay for much more then a year.
One year is a general guideline. The reasons are two fold. First the wood is probably still moist inside and it takes a yeas (give or take) to dry completely. The second is that due to the first reason, a stain will not adhere as it should until the lumber is dry. Five years is too long. If it treated wood you are reasonably safe, but untreated wood will show signs in wear and possible water damage or rot.
The timeline is different for each climate. It can be from 30 days to 6 months. The most important thing is, that your deck needs to be good and dry before you paint it. The PT lumber goes through a treatment of water based chemicals while under pressure and it leaves the wood wet. And if you paint before it drys you'll have blisters forming on you deck. You can rent a moisture meter from a hardware store. If the wood is dry, you are good to go.
This link might be useful
A year is the correct amount of time but there are alot of factors you need to consider and processes to painting the deck. You need to pressure wash at a high pressure thoroughly clean the surface give it enough time to dry and always check with a humidity meter before applying primer which I recommend oil base zinzer cover stain or the Dulux jammer. Use a high quality durable coating overtop such as dulux water based floor enamel and you will have a deck that will last for years for grip you can add crushed walnut shells. stain will crack and peel within 2 years oil primer and 2 coats of the floor enamel might last over ten years!! It's also chemical resistant allowing you to pressure wash after without having to worry about peeling make sure you put both the primer and the 2 finish coats on heavy with a 20-25 mm sleeve. Go to Dulux they have very good staff and will show you what sleeves to use for what products etc.
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