{"id":278337,"date":"2022-12-14T13:01:14","date_gmt":"2022-12-14T13:01:14","guid":{"rendered":"https:\/\/www.sanier.pl\/bw-hasla\/jak-wybrac-materialy-do-hydroizolacji-scian-i-fundamentow\/"},"modified":"2025-02-21T09:17:16","modified_gmt":"2025-02-21T09:17:16","slug":"jak-wybrac-materialy-do-hydroizolacji-scian-i-fundamentow","status":"publish","type":"knowledgebase","link":"https:\/\/www.sanier.pl\/en\/bw-hasla\/jak-wybrac-materialy-do-hydroizolacji-scian-i-fundamentow\/","title":{"rendered":"How to Choose Waterproofing Materials for Walls and Foundations?"},"content":{"rendered":"

[vc_row][vc_column][vc_column_text]<\/p>\n

How to Choose Waterproofing Materials for Walls and Foundations?<\/strong><\/h2>\n

Selecting the right construction and waterproofing materials<\/strong> is not a simple task. The best approach is to consult a specialist<\/strong>, who can help assess which products will be most effective while considering financial constraints.<\/p>\n

While price often correlates with quality<\/strong>, the most expensive<\/strong> solution is not always the most suitable<\/strong>.<\/p>\n

Factors Influencing the Selection of Waterproofing Materials<\/strong><\/h3>\n

Choosing waterproofing materials<\/strong> is more complex than simply following what a neighbor or family member recommends<\/strong>. Incorrectly selected materials may be ineffective<\/strong>, leading to costly repairs and replacement of the insulation<\/strong>.<\/p>\n

Several factors must be considered to ensure proper waterproofing<\/strong>:<\/p>\n

    \n
  • Building type and usage<\/strong> \u2013 Different materials are required for indoor and outdoor applications<\/strong>, as exposure to UV radiation<\/strong> can degrade certain products.<\/li>\n
  • Application location<\/strong> \u2013 The selection depends on whether the waterproofing is applied to walls, foundations, or other structural elements<\/strong>.<\/li>\n
  • Climatic and groundwater conditions<\/strong> \u2013 Soil surveys<\/strong> provide essential information for choosing the right materials.<\/li>\n
  • Chemical exposure<\/strong> \u2013 Some soils and water contain aggressive compounds<\/strong> that may require additional protection.<\/li>\n
  • Sanitary requirements<\/strong> \u2013 Proper waterproofing ensures hygienic conditions and long-term cost savings<\/strong>.<\/li>\n<\/ul>\n

    Selecting Waterproofing Based on Risk Level<\/strong><\/h3>\n

    Water can threaten a building in multiple ways, including rain, snow, fog, and groundwater<\/strong>. Groundwater levels fluctuate<\/strong> throughout the year, making it critical to select a durable<\/strong> waterproofing system.<\/p>\n

    If uncertain, waterproofing against pressurized water<\/strong> is generally a safer choice than moisture-resistant insulation<\/strong>, as it provides higher protection levels<\/strong>.<\/p>\n

    Types and Uses of Waterproofing<\/strong><\/h3>\n

    In previous articles, we described different classifications of waterproofing materials<\/strong>, such as:<\/p>\n

      \n
    • \n

      Installation method<\/strong>:<\/p>\n

        \n
      • Vertical waterproofing<\/strong> (external walls, foundation walls).<\/li>\n
      • Horizontal waterproofing<\/strong> (foundations, ceilings, and roofs).<\/li>\n<\/ul>\n<\/li>\n
      • \n

        Type of threat<\/strong>:<\/p>\n

          \n
        • Moisture-resistant<\/strong> (protection against humidity).<\/li>\n
        • Waterproof<\/strong> (protection against hydrostatic pressure).<\/li>\n<\/ul>\n<\/li>\n
        • \n

          Waterproofing intensity<\/strong>:<\/p>\n

            \n
          • Light<\/strong> \u2013 Protection against moisture penetration.<\/li>\n
          • Medium<\/strong> \u2013 Protection against direct, capillary, or seeping water<\/strong>.<\/li>\n
          • Heavy<\/strong> \u2013 Protection against pressurized water<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

            This article will focus on classifying waterproofing materials based on the materials they are made of<\/strong>:<\/p>\n

            <\/h3>\n

            [\/vc_column_text][\/vc_column][\/vc_row][vc_row full_height=\"yes\"][vc_column][vc_single_image image=\"259991\" img_size=\"full\" alignment=\"center\"][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n

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            Mineral Waterproofing<\/h3>\n

            Mineral-based liquid membranes are ready-to-use, single-component products. They contain synthetic resins, which form a highly flexible waterproofing layer upon contact with moisture.<\/p>\n

            Features:<\/h3>\n
              \n
            • High flexibility<\/strong><\/li>\n
            • Easy application<\/strong><\/li>\n
            • Crack-bridging capabilities<\/strong><\/li>\n
            • Strong adhesion to concrete, cement-based mortars, and brick walls<\/strong><\/li>\n<\/ul>\n

              Applications:<\/strong><\/h4>\n
                \n
              • Indoor use<\/strong><\/li>\n
              • Moisture protection for walls and floors<\/strong> in bathrooms and shower enclosures<\/strong>, before installing ceramic tile and natural stone cladding<\/strong><\/li>\n
              • Moisture protection for walls, floors, and countertops<\/strong> in kitchens<\/strong>, before applying ceramic or natural stone finishes<\/strong><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n
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                [\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column width=\"1\/3\"][\/vc_column][vc_column width=\"1\/3\"][vc_hoverbox image=\"244756\" primary_title=\"\" hover_title=\"Mapegum WPS\" el_width=\"60\" hover_btn_title=\"Buy\" hover_btn_color=\"sky\" hover_add_button=\"true\" hover_btn_link=\"url:https%3A%2F%2Fwww.sanier.pl%2Fprodukt%2Fmapegum-wps%2F|title:Mapegum%20WPS\" css=\".vc_custom_1740126813678{border-radius: 10px !important;}\"][\/vc_hoverbox][\/vc_column][vc_column width=\"1\/3\"][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n

                Single- or Two-Component Slurries<\/strong><\/h3>\n

                Single- or two-component slurries are flexible, cement-based coatings<\/strong>. Depending on the thickness and number of applied layers, they provide both waterproofing and moisture protection<\/strong>.<\/p>\n

                Features:<\/strong><\/h4>\n
                  \n
                • Strong adhesion<\/strong> (even on damp surfaces)<\/li>\n
                • Elasticity<\/strong><\/li>\n
                • Quick load-bearing capacity<\/strong><\/li>\n
                • Crack-bridging<\/strong><\/li>\n
                • Resistance to weak inorganic acids, alkaline solutions, municipal sewage, and UV radiation<\/strong> (not all products)<\/li>\n<\/ul>\n

                  Applications:<\/strong><\/h4>\n
                    \n
                  • For mineral substrates<\/strong> (concrete, cement and anhydrite screeds, gypsum plasters, gypsum boards, ceramics) and asphalt substrates<\/strong><\/li>\n
                  • For moisture and waterproofing<\/strong><\/li>\n
                  • Positive and negative waterproofing<\/strong><\/li>\n
                  • On deformable and non-deformable surfaces<\/strong> as waterproofing for structures from the side opposite to water pressure<\/li>\n
                  • Protection against moisture and groundwater<\/strong> (including pressurized water) in earth-covered structures, basements, underground garages, swimming pools, and potable water tanks<\/strong><\/li>\n<\/ul>\n

                    [\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column width=\"1\/3\"][\/vc_column][vc_column width=\"1\/3\"][vc_hoverbox image=\"3693\" primary_title=\"\" hover_title=\"K11 Schl\u00e4mme Grau\" el_width=\"60\" hover_btn_title=\"Buy\" hover_btn_color=\"sky\" hover_add_button=\"true\" hover_btn_link=\"url:https%3A%2F%2Fwww.sanier.pl%2Fprodukt%2Fk11-schlamme-grau%2F|title:K11%20Schl%C3%A4mme%20Grau\"][\/vc_hoverbox][\/vc_column][vc_column width=\"1\/3\"][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n

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                    Crystallizing Coatings<\/h3>\n

                    Crystallizing coatings are materials used to seal concrete from within its structure. These products are most commonly added to concrete as admixtures<\/strong>, where they seal or bridge gaps through a chemical reaction, forming a crystalline structure<\/strong>.<\/p>\n

                    Features:<\/strong><\/h4>\n
                      \n
                    • High adhesion<\/strong><\/li>\n
                    • Waterproofing capability<\/strong><\/li>\n
                    • Unlimited sealing durability<\/strong><\/li>\n
                    • Water exposure reactivates the sealing process<\/strong><\/li>\n
                    • Effective for underground sealing, including internal applications<\/strong><\/li>\n
                    • Vapor-permeable<\/strong><\/li>\n
                    • Compatible with mineral substrates<\/strong><\/li>\n<\/ul>\n

                      Applications:<\/strong><\/h4>\n
                        \n
                      • Used for sealing water reservoirs, wastewater treatment plants, and pumping stations<\/strong>, as well as septic tanks, swimming pools, underground building structures (basements, bunkers, underground garages), tunnels, inspection chambers, and wet rooms (e.g., steam baths)<\/strong><\/li>\n
                      • Suitable for moderately aggressive environments<\/strong><\/li>\n
                      • Used in residential, industrial, and public utility construction<\/strong><\/li>\n
                      • Applicable both from the inside and outside of structures<\/strong><\/li>\n
                      • Waterproofing for concrete and reinforced concrete structures<\/strong><\/li>\n
                      • Can be applied during construction or for existing structures from the inside<\/strong><\/li>\n
                      • Used for sealing foundation slabs, footings, monolithic walls, and reinforced floors<\/strong><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n
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                        [\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column width=\"1\/3\"][\/vc_column][vc_column width=\"1\/3\"][vc_hoverbox image=\"245110\" primary_title=\"\" hover_title=\"Hydrostop 209\" el_width=\"60\" hover_btn_title=\"Buy\" hover_btn_color=\"sky\" hover_add_button=\"true\" hover_btn_link=\"url:https%3A%2F%2Fwww.sanier.pl%2Fprodukt%2Fhydrostop-209%2F|title:Hydrostop%20209\"][\/vc_hoverbox][\/vc_column][vc_column width=\"1\/3\"][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n

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                        Bituminous Waterproofing<\/h3>\n

                        Thin-layer bituminous coatings are emulsions based on bitumen-latex compounds. These flexible products create a seamless, uniform waterproofing layer<\/strong>.<\/p>\n

                        Features:<\/strong><\/h4>\n
                          \n
                        • Flexible<\/strong><\/li>\n
                        • Seamless application<\/strong><\/li>\n
                        • Adaptable to irregular surfaces<\/strong><\/li>\n
                        • Easy to apply<\/strong><\/li>\n
                        • May contain adhesion enhancers for better bonding<\/strong><\/li>\n
                        • Often suitable for slightly damp substrates<\/strong><\/li>\n<\/ul>\n

                          Applications:<\/strong><\/h4>\n
                            \n
                          • Vertical and horizontal moisture-proofing insulation<\/strong><\/li>\n
                          • Primer for thick-layer bituminous waterproofing (KMB coatings)<\/strong><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n
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                            [\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column width=\"1\/3\"][\/vc_column][vc_column width=\"1\/3\"][vc_hoverbox image=\"244612\" primary_title=\"\" hover_title=\"K 100 Schwarz\" el_width=\"60\" hover_btn_title=\"Buy\" hover_btn_color=\"sky\" hover_add_button=\"true\" hover_btn_link=\"url:https%3A%2F%2Fwww.sanier.pl%2Fprodukt%2Fk-100-schwarz-bostik%2F|title:K%20100%20Schwarz%20%E2%80%93%20emulsja%20bitumiczna%20%7C%20Bostik\"][\/vc_hoverbox][\/vc_column][vc_column width=\"1\/3\"][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n

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                            Thick-Layer Polymer-Modified Bituminous Coatings (KMB)<\/h3>\n

                            Polymer-modified bituminous coatings (KMB) are one- or multi-component, odorless, and solvent-free products. They provide high protection against rainwater and groundwater<\/strong> and are used for heavy-duty waterproofing<\/strong>.<\/p>\n

                            Features:<\/strong><\/h4>\n
                              \n
                            • Odorless<\/strong><\/li>\n
                            • Solvent-free<\/strong><\/li>\n
                            • Single-component coatings<\/strong> become water-resistant after complete drying<\/strong><\/li>\n
                            • Two-component coatings<\/strong> cure without air exposure and\/or in the presence of water<\/strong><\/li>\n
                            • Elastic properties allow crack-bridging up to 5 mm<\/strong><\/li>\n<\/ul>\n

                              Applications:<\/strong><\/h4>\n
                                \n
                              • Waterproofing of structures in contact with soil<\/strong> (e.g., foundations, basement walls<\/strong>)<\/li>\n
                              • Vapor barrier layer<\/strong> in balcony, terrace, flat roof, and green roof waterproofing systems<\/strong><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n
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                                [\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column width=\"1\/3\"][\/vc_column][vc_column width=\"1\/3\"][vc_hoverbox image=\"244347\" primary_title=\"\" hover_title=\"Hydroizolacja Dickbeschichtung 2K+ | Bostik\" el_width=\"60\" hover_btn_title=\"Buy\" hover_btn_color=\"sky\" hover_add_button=\"true\" hover_btn_link=\"url:https%3A%2F%2Fwww.sanier.pl%2Fprodukt%2Fbostik-dickbeschichtung-2k%2F|title:Hydroizolacja%20Dickbeschichtung%202K%2B%20%7C%20Bostik\"][\/vc_hoverbox][\/vc_column][vc_column width=\"1\/3\"][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n

                                Bituminous Sheet Waterproofing<\/strong><\/h3>\n

                                Bituminous sheet waterproofing includes self-adhesive bituminous membranes and roofing felt<\/strong>. Self-adhesive roofing felt<\/strong> can serve as the final waterproofing layer<\/strong>. The membrane consists of self-adhesive bitumen laminated with an HDPE film on the top<\/strong>, while self-adhesive roofing felt is reinforced with a fiberglass mesh<\/strong>.<\/p>\n

                                Features:<\/strong><\/h4>\n
                                  \n
                                • Easy and watertight joint sealing<\/strong><\/li>\n
                                • Fast application<\/strong><\/li>\n
                                • Immediate waterproofing<\/strong><\/li>\n
                                • Not vapor-permeable<\/strong><\/li>\n<\/ul>\n

                                  Applications:<\/strong><\/h4>\n
                                    \n
                                  • Vertical and horizontal waterproofing<\/strong><\/li>\n
                                  • Vapor barrier layer<\/strong> in balcony, terrace, flat roof, and green roof waterproofing systems<\/strong><\/li>\n<\/ul>\n

                                    [\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column width=\"1\/3\"][\/vc_column][vc_column width=\"1\/3\"][vc_hoverbox image=\"244385\" primary_title=\"\" hover_title=\"SK 3000 S Dichtungsbahn | Bostik\" el_width=\"60\" hover_btn_title=\"Buy\" hover_btn_color=\"sky\" hover_add_button=\"true\" hover_btn_link=\"url:https%3A%2F%2Fwww.sanier.pl%2Fprodukt%2Fsk-3000-s-dichtungsbahn-bostik%2F|title:SK%203000%20S%20Dichtungsbahn%20%7C%20Bostik\"][\/vc_hoverbox][\/vc_column][vc_column width=\"1\/3\"][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n

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                                    \n
                                    \n

                                    Plastic-Based Waterproofing<\/h3>\n

                                    This is a diverse group of materials that, due to advanced technology, outperform traditional waterproofing solutions<\/strong>.<\/p>\n

                                    Liquid Plastic Membranes<\/strong><\/h4>\n
                                    Features:<\/strong><\/h5>\n
                                      \n
                                    • High water resistance<\/strong><\/li>\n
                                    • Bridges cracks up to 1 mm<\/strong><\/li>\n
                                    • Flexible and stretchable<\/strong><\/li>\n
                                    • Seamless and joint-free<\/strong><\/li>\n
                                    • Fully cured after 24 hours<\/strong><\/li>\n
                                    • Good adhesion to mineral substrates<\/strong><\/li>\n
                                    • Vapor-permeable<\/strong><\/li>\n
                                    • Not resistant to acids, alkalis, oils, and solvents<\/strong><\/li>\n<\/ul>\n

                                      Applications:<\/strong><\/h4>\n
                                        \n
                                      • Final waterproofing layer<\/strong> with additional finishing options (anti-slip coatings, decorative chips, or other finishes depending on the manufacturer)<\/li>\n
                                      • Can be applied to concrete substrates, cement screeds, fully jointed brick walls, cement and lime-cement plasters, gypsum plasters, gypsum board, and wood-based panels<\/strong><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n
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                                        [\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column width=\"1\/3\"][\/vc_column][vc_column width=\"1\/3\"][vc_hoverbox image=\"256122\" primary_title=\"\" hover_title=\"Bauder Liquitec PU\" el_width=\"60\" hover_btn_title=\"Buy\" hover_btn_color=\"sky\" hover_add_button=\"true\" hover_btn_link=\"url:https%3A%2F%2Fwww.sanier.pl%2Fprodukt%2Fbauder_liquitec_pu%2F|title:LIQUITEC%20PU%20%7C%20Bauder\"][\/vc_hoverbox][\/vc_column][vc_column width=\"1\/3\"][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n

                                        Sheet Waterproofing with Plastics<\/strong><\/h3>\n

                                        Features:<\/strong><\/h4>\n
                                          \n
                                        • Durable<\/strong><\/li>\n
                                        • Easy to install<\/strong><\/li>\n
                                        • Varied types<\/strong>, including flat sheets, membranes, and dimpled sheets<\/strong> made of polyethylene (PE) or polyvinyl chloride (PVC)<\/strong><\/li>\n<\/ul>\n

                                          Applications:<\/strong><\/h4>\n
                                            \n
                                          • Moisture and vapor protection<\/strong> under roof coverings<\/strong><\/li>\n
                                          • Moisture and waterproofing insulation<\/strong> for foundations<\/strong><\/li>\n<\/ul>\n

                                            [\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column width=\"1\/3\"][vc_hoverbox image=\"258353\" primary_title=\"\" hover_title=\"PVC THERMOFOL Membrane M15\" el_width=\"80\" hover_btn_title=\"Buy\" hover_btn_color=\"sky\" hover_add_button=\"true\" hover_btn_link=\"url:https%3A%2F%2Fwww.sanier.pl%2Fprodukt%2Fmembrana-pvc-thermofol-m-15-bauder%2F|title:Membrana%20PVC%20THERMOFOL%20M%2015%20%7C%20Bauder\"][\/vc_hoverbox][\/vc_column][vc_column width=\"1\/3\"][vc_hoverbox image=\"258354\" primary_title=\"\" hover_title=\"PVC THERMOFOL U 15 Membrane | Bauder\" el_width=\"80\" hover_btn_title=\"Buy\" hover_btn_color=\"sky\" hover_add_button=\"true\" hover_btn_link=\"url:https%3A%2F%2Fwww.sanier.pl%2Fprodukt%2Fmembrana-pvc-thermofol-u-15-bauder-kopia%2F|title:Membrana%20PVC%20THERMOFOL%20U%2015%20%7C%20Bauder\"][\/vc_hoverbox][\/vc_column][vc_column width=\"1\/3\"][vc_hoverbox image=\"3712\" primary_title=\"\" hover_title=\"RESITRIX SK W Full Bond\" el_width=\"80\" hover_btn_title=\"Buy\" hover_btn_color=\"sky\" hover_add_button=\"true\" hover_btn_link=\"url:https%3A%2F%2Fwww.sanier.pl%2Fprodukt%2Fsk-w-full-bond%2F|title:SK%20W%20Full%20Bond\"][\/vc_hoverbox][\/vc_column][\/vc_row]<\/p>\n","protected":false},"author":55,"featured_media":0,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","categories":[873],"tags":[],"class_list":["post-278337","knowledgebase","type-knowledgebase","status-publish","hentry","category-knowledge-base"],"_links":{"self":[{"href":"https:\/\/www.sanier.pl\/en\/wp-json\/wp\/v2\/knowledgebase\/278337","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sanier.pl\/en\/wp-json\/wp\/v2\/knowledgebase"}],"about":[{"href":"https:\/\/www.sanier.pl\/en\/wp-json\/wp\/v2\/types\/knowledgebase"}],"author":[{"embeddable":true,"href":"https:\/\/www.sanier.pl\/en\/wp-json\/wp\/v2\/users\/55"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sanier.pl\/en\/wp-json\/wp\/v2\/comments?post=278337"}],"version-history":[{"count":0,"href":"https:\/\/www.sanier.pl\/en\/wp-json\/wp\/v2\/knowledgebase\/278337\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.sanier.pl\/en\/wp-json\/wp\/v2\/media?parent=278337"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sanier.pl\/en\/wp-json\/wp\/v2\/categories?post=278337"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sanier.pl\/en\/wp-json\/wp\/v2\/tags?post=278337"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}