Seebad Starnberg baths
Chemistry to build on
© seifert hugues architekten gmbh
Project Full-scale refurbishment and remodelling of existing indoor baths close to shore of Lake Starnberg Sauna suite with boathouse-style sauna huts directly by beach Partial refurbishment of existing pools
© seifert hugues architekten gmbh
Use of Sopro system solutions for all levelling, waterproofing and tiling works
Signboard Seifert Hugues Architekten GmbH, Munich
Applicator
Fliesen Röhlich GmbH, Wendelstein Fliesen Jegg GmbH, Kolbermoor
Client
Town of Starnberg
Contract volume
Approx. 4,000 m²
Completion
Scheduled for June 2018
© seifert hugues architekten gmbh
Design practice
Products Sopro GD 749 primer Sopro DSF 523 one-component flexible sealing slurry Sopro TDS 823 two-component turbo sealing slurry Sopro FF 450 flexible tile adhesive Sopro's No.1 flexible tile adhesive (order no. 400) Sopro MEG 665 megaFlex S2 highly flexible tile adhesive Sopro MEG 666 megaFlex S2 turbo highly flexible tile adhesive Sopro MEG 667 megaFlex TX highly flexible tile adhesive Sopro TF+ high-strength tile grout Sopro TFb high-strength tile grout Sopro FEP epoxy tile grout Seebad Starnberg baths I www.sopro.com
www.sopro.com
Construction phase
Seebad Starnberg baths I www.sopro.com
Construction phase
Seebad Starnberg baths I www.sopro.com
Construction phase
Seebad Starnberg baths I www.sopro.com
Seebad Starnberg baths
New name, new look
Use of Sopro system solutions for all waterproofing and tiling works 2015 marked the start of the refurbishment works to recast the former Wasserpark Starnberg waterworld as a "feel-good family baths", to be rechristened "Seebad Starnberg" ("Starnberg lakeside baths"). The scheme involved extensive waterproofing and tiling works over an approximate area of 4,000 m2. The design and applicator teams opted for the use of products from Sopro Bauchemie GmbH's trade range. In 2015, once the town of Starnberg had taken the decision to fully refurbish and modernize the 40-year-old Wasserpark Starnberg facility, inaugurated in September 1973, it was clear that the days of the waterworld in its existing form were numbered. The refurbishment and alterations were scheduled to take around two years. However, one thing that of course remains is the unique setting by Lake Starnberg and the sweeping views of the monumental Alpine mountainscape that had made the original facility so impressive and earned it the name "swimming pool of tomorrow". To ensure that its successor – the Seebad Starnberg – continues to live up to this billing, the new facility needed a fresh contemporary look. The scheme developed by Munich-based architectural practice Seifert Hugues Architekten features a masterfully choreographed spatial concept that intelligently combines an indoor area with 25-m pool and 45-m flume, a new sauna suite with boathousestyle sauna huts, and a lido with heated toddlers' pool and spacious outdoor amenities. Consciously designed not as a bustling thermal baths, but as a "feel-good" family facility, the ensemble will offer a memorable bathing and leisure experience for visitors of all age groups.
Standards-compliant waterproofing Tried-and-tested Sopro Bauchemie products tailored to swimming pool applications were specified for all substrate preparation, waterproofing and tiling works throughout the new Seebad Starnberg baths – from the new saunas, showers and other moisture-exposed areas to the refurbished pools. The standards-compliant waterproofing works in the above areas were performed using the (twocomponent) Sopro TDS 823 and (one-component) Sopro DSF 523, both of which are flexible, cementitious sealing slurries used to install crack-
bridging waterproof membranes. The product selected mainly for the outdoor operations, Sopro TDS 823, is a high-performance, rapid-set sealing slurry that is suitable for application in wet spaces, swimming pools, and on balconies and patios. Most importantly, as a two-component system, it ensures weather-independent drying. Based on Sopro MicroGum® technology, the sealing slurry also excels by its extra-high flexibility, very low consumption rate, creamy consistency and smooth workability. The one-component Sopro DSF 523, which was specified for the indoor areas, is likewise used to install crack-bridging waterproof membranes. It is suitable for heavily moisture-exposed areas (e.g. showers, washrooms, toilets and swimming pools), under DIN 18534 Part 3 for water action classes W0-I "Low", W1-I "Moderate", W2-I "High" and W3-I "Very high" as well as under DIN 18535 for water action class W1-B. The vapour-permeable, low-chromate material allows roller, trowel, brush and spray application.
High-performance tile adhesives for absolute reliability As is standard in swimming pool construction, ceramic coverings in all varieties pervade the remodelled Seebad Starnberg, acting as a key aesthetic and functional element in all areas – from the new entrance area and the changing rooms, showers and toilets to the pools and pool decks. The wall coverings in the showers, for instance, with their small, lime-green tiles are a particular eye-catcher. Elsewhere, simple restrained colours or, in some places, an imitation-wood finish were chosen for the tiling. The ceramic coverings were installed using various high-performance tile adhesives from Sopro Bauchemie's trade range. One of these was Sopro's No.1, a tried-and-tested, high-coverage, highly deformable, cementitious, highly polymermodified, S1-grade flexible tile adhesive (meeting C2 TE S1 requirements to DIN EN 12004). Another specified product was Sopro FF 450, a waterresistant, cementitious flexible tile adhesive that offers excellent contact adhesion, good sag resistance and high water retentivity. Other key merits include its high coverage, extended open time and smooth workability. In addition to these one-component adhesives, various two-component products were specified for areas subject to enhanced requirements, such as the pools and outdoor areas. These
were Sopro MEG 665, Sopro MEG 666 and Sopro MEG 667, all highly flexible, sag-resistant, rapidset, cementitious products meeting C2 FT S2 requirements to DIN EN 12004. The three products offer extremely high adhesion strengths coupled with maximum flexibility (grade S2 to DIN EN 12004, deformability ≥ 5 mm). The stress-relieving effect of the mortar matrix makes them particularly suitable for outdoor applications as well as young concrete substrates, newly laid, unheated cement screeds and where the adhesive system is subject to enhanced flexibility requirements. At the same time, their exceedingly low water absorption guarantees high, long-term frost resistance.
Brilliantly coloured, lime-film-free grouting The joints in the coverings were finished using Sopro TF+, a high-strength, rapid-set, cementitious tile grout (meeting CG2 WA requirements to DIN EN 13888) for grouting stoneware, fully vitrified stoneware, natural stone, cast stone and mosaic – with 1 – 10 mm joint widths. The product incorporates Sopro's innovative OPZ® (Portland cement-free) technology, which ensures a limefilm-free finish and a brilliantly coloured joint pattern with lasting appeal, for both indoor and outdoor applications, and especially in moistureexposed areas. The grout also excels by its high mechanical strength and abrasion resistance, while nonetheless offering the good workability properties of a cementitious tile grout. This makes it a viable alternative to reaction resin grouts and an ideal option for swimming pools and wellness suites. Another cementitious product specified by the design team was Sopro TFb, a high-strength, rapid-set, trass-bearing tile grout for extra-heavyduty applications and 3 – 30 mm joint widths. The incorporated Mikrodur® microcement in conjunction with special additives lends the grout its dense, high-strength microstructure, thereby guaranteeing high mechanical strength and abrasion resistance. This makes it particularly suitable for joints subject to high mechanical loads in workshops, washing facilities, catering kitchens, industrial facilities and swimming pools. Here too, the grout's trass content significantly reduces the risk of efflorescence. Most of the tiling works were performed by Fliesen Röhlich GmbH. Managed by master tiler Martin Röhlich, the family business from Wendelstein in central Franconia has, in recent years, established itself as one of Germany's
Seebad Starnberg baths I www.sopro.com
biggest tiling contractors. Now employing almost 300 tile and natural stone layers, it specializes in the prompt and expert performance of large-scale national projects. The refurbishment works to the existing pools were carried out by Fliesen Jegg GmbH from Kolbermoor. The pool coverings were not completely renewed, with the works focusing on the edge areas of the learners' pool and the edge and floor areas of the training pool. Throughout the project period, from the design to the production phase, Sopro's Project Consulting team was at hand to provide the design practice and contractors with advice and support.