What you are about to see, I liberally stole from another forum. The combo struck me as interesting, but one question, how do you apply the WD40 to the linseed oil, it only comes in a spray I thought or am I wrong. Below is the formula, have others tried this - were you happy with it?"Take Linceed oil and WD40 and mix it 50/50. Apply liberaly to your timber till it absorbs no more. Allow to soak in, over night best, and then a wipe down with a rag to remove any excess Linceed oil. In a few months if the timber is looking a little light on oil, you simply spray WD40 on the timber. Nothing else. It's simple and looks great. I have used many very expensive timber oils now. Deks Olja being one of them, at NZ$50/ltr here. I used the No1 and I got about 3 months out of my hatches. The trick to many of the oils especially Deks Olja is to keep applying till the tmber takes no more. But it takes a lot of oil and it aint cheap. I tried my 50/50 mix 10months ago now, on my boarding platform and it still looks good. My Teak hatches looked very sad after just 3months. So I have sprayed all of those with JUST WD40. They come up real smart and have lasted a month so far. A spray can of WD40 made it a very quick and easy job to do. I will continue to monitor the situation and report. But I have been so happy with the outcome so far, I have just applied the same to a friends rubrails I have made up for his steel boat. It is Fijian Mahogany and the finish is stunning.I take some photo's of the hatches and post them in the weekend."