58 Climate stability - creation of a stable indoorenvironment - low fluctuation rate of temperature and humidity slow adaption of the inner climate to the outside climate and slow acclimatization of the buildingfabrics - use of porous and hygroscopic building materials for hygrothermal buffering - controlled natural ventilation (balance between air tightness and defined ventilation openings) with caution to unwanted intake of cold or hot winds, pollutants, insects and driving rain [Maekawaet al., 2015238]. no sealing of surfaces through paint layers and protective coatings Protection against waterand moisture intake - protect buildings from water intake through rain, in-situ groundwater, and rainwater runoff - replace the dense tar paving of the adjacent street with permeable pavingwith natural stones and permeable joints - perimeter foundation drains can limit groundwater intake from the roadside - closure of large openings that are susceptible to water ingress - installation and maintenance of water drainage systems (wall gutters, downspouts, wall projections and drip edges) maintenance of external walls, basement and roofs and closing of leaks Prevention against biological infestation andpests - complete exclusion of pests and biological infestation not possible,but: - reduce access possibilities - deny food sources - avoid conditions they prefer(warmth, water, and high humidity) - related to the protection againstwater and moisture intake and climate stability avoid building and interior fabrics that could be a food source - keep temperatures below 20 °c - values less than 75% RH are recommended to avoid microbiologicalactivities[Maekawaet al., 200224]. - allow natural ventilation and air circulation - avoid building and interior fabrics that could be a food source (textiles, carpets,organic paint materials) - no storage of food / no restaurants - keep the surfaces clean and removedirt and dust regularly - Integrated Pest Management: → monitoring and control → appropriate education and support → Remedial action if damaging speciesare discovered low hazard or non-toxic methods ofcontrol25. 23Maekawa / BELTRAN / HENRY 2015, p. 99-100.
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