COATINGS
Macro and microclimates play a large role and again should be checked twice daily to ensure the applicator may proceed to apply the given product. The technical data sheet should be checked together with a member of the manufacturer’s inspection team to make sure everyone is adhering to the technical requirements. The humidity is also a large factor and vitally important for acrylic and polyurethane products to flow properly. The norm is usually between 40 and 60 per cent humidity when applying topcoats.
GTECHNIQ Gtechniq is entering its 21st year of business as a global leader in the detailing industry. The company is a top-tier brand in the automotive detailing world and is introducing its innovative technology to the boat detailing world. As boats become more advanced and owners become more discerning, Gtechniq Marine products ensure the surfaces of a boat are protected and maintain their showroom look and lustre. This is especially relevant for the yacht tender market. The innovative product line ensures crew will spend less time cleaning and maintaining the surfaces of their tenders allowing them to concentrate on other duties for the owner and guests. For more details Tel: +44 (0)1604 962 553 or visit
www.gtechniq.com
ATMOSPHERIC CONDITIONS / CLEAN AIR Atmospheric conditions are always vital to take into consideration as they can have devastating results on the now more delicate coatings being produced to meet current Volatile Organic Compounds (VOCs) emission legislation. Alonso T Urresti is a Project Manager at Benymar Yacht Paint in Mallorca, Spain. His firm offers all manner of superyacht finishing and refinishing including antifouling, topcoating, and varnishing. It is Alonso’s job to oversee the planning, development, and execution of each job as well as to monitor it afterwards should any warranty issues arise.
Having a closed environment in which to undertake hull and superstructure coating is, he says, “Necessary and fundamental for the optimal development of the projects, especially if we are to satisfy the objective we set out to achieve. These days it is not viable to conceive of a project without a closed environment.” He adds, “A well managed environment will pay back in dividends and reduce costly time extensions at the end of a refit, and let’s not forget, it is the painters who are often the last to get off the project, so the better the set up the better the results.”
invasive species, reduction in drag, and conversely preventing excessive use of fuel to maintain speed and this of course reduces emissions of CO2, SO2 and NOx dramatically as well as saving fuel, itself a finite material. In most cases drag is decreased beyond even what a non-fouled hull would be. Hempaguard X7 has been shown to give up to 19.5% fuel savings over the course of its 5-year in-service which amounts to a significant reduction in emissions, regardless of the size of the yacht it is applied to.”
APPLICATION Having the right product for the job is only half the battle. Correct application is essential if the product is to do its job correctly. Most experts agree that when applying topcoat, the temperature should always be kept between 18 - 22 degrees centigrade for good application. These specialists agree that this is vital to the curing processes and flow of the various paints and fillers. The temperatures should be checked twice daily, both internally and externally, and on all parts of the vessel.
In the past decade, there has been a massive drive to reduce the level of VOCs in paint coatings to make them both more friendly to the environment
WHEN IS A COATING NOT A COATING “Traditionally the paint industry refers to paint as a coating which is somewhat confusing,” says Rob Earle, the Managing Director of Gtechniq Ltd. “Our wipe-on chemically bonding ceramic product is applied to a finished paint job as a coating and that is what we consider to be the correct use of the word. In the past decade, there has been a massive drive to reduce the level of VOCs in paint coatings to make them both more friendly to the environment and less dangerous for the paint technician. This has come at the expense of durability. We produce a wipe-on ceramic coating that is applied on top of paint coatings and or gel coat that both prolongs the lifespan of a paint and or GRP finish and makes surfaces significantly more stain resistant but unlike some other brands, our product does not cause any
ONBOARD | WINTER 2023 | 157
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