Questions and Answers

Q     What is the best form of antifouling

A      The best way to keep your hull clean is "don't put it in the water" i.e. Dry Sail. If this is impractical and for most of us it is, then Bio Dock is not just the next best thing, it is arguably better; it will give you a clean hull at all times.

Q    How can you say it is better than dry sailing.

A     Well this is a balanced judgement, firstly it keeps the hull just as clean at all times, secondly it protects the topsides from Uv radiation, dirt and scratching etc. If you do dry sail then you need a team to wash and clean the boat before launching so Bio Dock offers a much lower cost alternative and is quicker to launch, so Yes we think it is better.

Q     Do I still need to antifoul     

Bio Dock outperforms any antifouling paint so if you keep your boat on a permanent mooring the answer is NO there is no need to antifoul but if you are away for periods of a month or more, a hard antifouling is recommended. Any antifouling will last much longer when used with the Bio Dock. 

Q     If I do not use an antifouling paint, do I still need to paint the hull? 

A     Painting the hull is purely to make your asset look new and pristine. It is recommended that a paint that produces the best speed performance is used; this will have a matt or silk type finish. Use an epoxy prima and then to get a full colour range, use something similar to International “Perfection” with a matting addition.

 Q     Won’t the Bio Dock weed up on the outside? 

A      Yes, it will protect your hull but it makes the ultimate sacrifice in doing so but no worry, once any slime or weed appears, then just reverse the cover; the Bio Dock will now clean itself as well as protecting your boat. If you sail regularly, then  just reverse the cover every time you moor up. The colour coded end lines mentioned in Installation will help with this activity. 

Q     Can I run the engine with the cover on? 

A      It is not recommended but most engines can be run dry for a short time  Obviously DO NOT ENGAGE THE PROPELLER!!! 

Q      Can I use the sea toilet with the cover on? 

A      Pumping out is never a problem, pumping in to flush the toilet can be. Either pull back the cover to expose the skin fitting or add a weight inside the cover to keep it clear of the hull. Remember the membrane is porous so any bio-degradable material will eventually breakdown. 

Q      Can I use my Eberspacher cabin heater? 

A       Be careful, the exhaust outlet on most boats is on the stern, so the top cover will need to be pulled back to expose the outlet. 

Q     What if it does not rain for some time? 

A      With the hull in darkness plus any movement of the boat, weed and slime will not form. Any change in the Ph of the water i.e. rain will kill existing growth and so will washing the decks or emptying a washing bowl. Any washing up liquid works wonders !!! 

Q     Can I pressure-wash the Bio Dock? 

A      Pressure washing should not be necessary, if the cover is weedy then reverse it for at least 12hrs, the Bio Dock will then clean itself. If you need to clean the cover then use a normal hose, a pressure washer, especially on high power can damage the membrane material. 

Q      Can I use the Bio Dock in a mud berth? 

A      If the Bio Dock is fitted to a dinghy or centre-boarder then there should not be a problem but remember any sharp edges on the hull or rocks in the berth can damage the membrane material. 

Q     Can I use the Bio Dock with twin propellers? 

A     Yes, If twin propellers and/or rudders are identified on the measurement form then extra material will be added so the membrane covers all surfaces.

Q      Can I drive in and out of the Bio Dock? 

A      If you are on a marina berth and can hold the stern panels apart and above the water, it should be possible to drive in and out. 

Q      What if the membrane gets damaged.

A      If the membrane is damaged i.e. small holes, it will still provide a micro environment and keep the hull clean. It is recommended that larger holes be repaired. Something similar to 3M  Scotch Weld DP8005  can be used ,it woks well but the applicators can be expensive. Alternatively just quickly mix the two parts together and apply to both surfaces.