The combination of using D1 and D2 is a very popular one and we can see why! Take a look at some previous posts of customers using this system on the projects:

Recommended application: for best results surfaces must be clean, dry and free of dirt, grease, grime, mildew and previous coatings. Approximate Coverage If necessary, occasionally ring out the cloth to keep it damp. It is important that as much D1 as possible is applied on the first day. Begin by applying Deks Olje D1 to an area that can be covered in about 15 minutes. Once the first application has been absorbed, taking about 15 to 30 minutes, begin the next application. Continue to apply coats wet on wet until you have a uniform finish and the overall saturation of the wood is achieved.Surfaces must first be clean, dry and free of all surface contamination. Clean and restore any Deks Olje D1 that has lightened to a gray finish, with Net-Trol, before applying Deks Olje D2. Wood already treated with Deks Olje D2 This is because Deks Olje D2 has a flexible finish where as Deks Olje D1 has a saturating finish; The Deks Olje D1 will deeply penetrate and saturate the wood so that it is safe to then apply Deks Olje D2 on top. This prevents it from peeling, flaking or blistering as water is unable to get into the wood below. All other oils or sealers must be completely and thoroughly removed with Aquanett and stripped surfaces neutralised with Net-Trol, before applying Deks Olje D1. Previously coated surfaces (Paint, Stain, Varnish, Waterproofers) Note: Hardwoods including exotic hardwoods and woods rich in tannins (i.e. Cedar, Douglas Fir, Teak, Ipe) may darken with Aquanett and Dilunett. Neutralising with Net-Trol immediately after rinsing will lighten and restore the woods colour. Application tools

Clean all tools and equipment with white spirits while still wet. If allowed to dry, remove with paint stripper. Wipe up any drips or runs immediately with a cloth soaked in white spirits. Dried Deks Olje D1 may be removed with Dilunett. Store and maintain equipment as directed by manufacturer. Can be applied above and below the water line (must be overcoated with a suitable finish below the waterline).

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Note: Any rags, steel wool etc. soaked in D1 may spontaneously catch fire if improperly discarded. Rags, steel wool etc. must be saturated with water after use or placed in a sealed, water filled metal container, before disposing of it with household waste. Maintenance Sand with 320 grit paper. Clean worn area with Net-Trol and leave it to dry. Then top up the Deks Olje D1. Then apply the required number of Deks Olje D2 coats to bring the surface up to the level of the existing finish. Rough or abraded areas Start by applying Deks Olje D1 to an area that can be treated in about 15 minutes. As soon as the 1st application has penetrated (normally 15-30 minutes), apply a 2nd application. If you have any boat varnish care tips or advice, please leave them in the comments below. We love hearing from you!