Yes, we had Accoya multi-laminated timber windows and doors installed in our house in 2013. Multi-lam better than a solid section as it doesn't move as much [expand or contract]. Accoya on external weather face, softwood on internal face, also a bit cheaper. Generally, looking very good 4 years on. We used v good Vallti Tikkurila paint from Finland. The paint is flexible and porous so it moves with the wood and breathes to let out any moisture build up [recommended to us by National Trust carpenter]. Only thing you need to do before topcoating is to ensure the first primer coat is a specialist solvent based blocking type, not cheap water based primer. Vallti Otex, Sikkens Rubbol or similar. The primer stops tannins potentially leaching out and staining the top coat. Other specialist paint manufacturers do similar products. Suggest you tel. the technical dept. of the paint manufacturer for specific advice on paint build up to Accoya. Suggest you don't use Dulux for Accoya as paint not as good as some others for this use. We also make sure our windows and frames are cleaned every 4-6 weeks to reduce dirt build up. We don't expect to do any painting for another 4-6 years which is a great benefit of Accoya. Good luck.
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