{"id":278836,"date":"2022-12-06T15:08:36","date_gmt":"2022-12-06T15:08:36","guid":{"rendered":"https:\/\/www.sanier.pl\/bw-hasla\/beton-wodoszczelny\/"},"modified":"2025-03-05T09:12:21","modified_gmt":"2025-03-05T09:12:21","slug":"beton-wodoszczelny","status":"publish","type":"knowledgebase","link":"https:\/\/www.sanier.pl\/sk\/bw-hasla\/beton-wodoszczelny\/","title":{"rendered":"Bet\u00f3n vodotesn\u00fd"},"content":{"rendered":"

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Bet\u00f3n vodotesn\u00fd<\/strong><\/h2>\n

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O bet\u00f3ne vodotesnom hovor\u00ed odborn\u00edk zna\u010dky Hydrostop Marek Mularczyk<\/strong><\/h3>\n

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Zva\u017eujete vykonanie hydroizol\u00e1cie, ale neviete, ak\u00e9 materi\u00e1ly si vybra\u0165?<\/p>\n

Spolu s odborn\u00edkom zna\u010dky Hydrostop Marekom Mularczykom sme pripravili kr\u00e1tku s\u00e9riu venovan\u00fa hydroizol\u00e1cii. Tu n\u00e1jdete odpovede na ot\u00e1zky: \u010co je hydroizol\u00e1cia? Ako vykona\u0165 hydroizol\u00e1ciu? Je potrebn\u00e1 hydroizol\u00e1cia z\u00e1kladov? \u010co je bet\u00f3n vodotesn\u00fd?<\/p>\n

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Bet\u00f3n vodotesn\u00fd<\/strong><\/h3>\n

Ve\u013emi popul\u00e1rne v stavebn\u00edctve s\u00fa u\u017e nieko\u013eko rokov takzvan\u00e9 bet\u00f3ny vodotesn\u00e9. Av\u0161ak po\u010das mojej kari\u00e9ry som pracoval nieko\u013eko mesiacov v bet\u00f3novej prefabrik\u00e1cii a viem, \u017ee bet\u00f3n je vodotesn\u00fd, ke\u010f sa testuje vzorka vyroben\u00e1 z tohto bet\u00f3nu. Ako mlad\u00fd in\u017einier som bol za to zodpovedn\u00fd, tak\u017ee som robil ide\u00e1lne vzorky, uchov\u00e1val ich v ide\u00e1lnom, vlhkom prostred\u00ed. Vzorky boli o\u0161etrovan\u00e9 a v\u0161etky testy vy\u0161li skvele.<\/p>\n

Treba si v\u0161ak uvedomi\u0165, \u017ee na stavenisku nie je laborat\u00f3rium, na stavenisku s\u00fa atmosferick\u00e9 podmienky, na ktor\u00e9 nem\u00e1me vplyv, alebo m\u00e1me vplyv len \u010diasto\u010dne. \u010co sa teda stane s bet\u00f3nom vodotesn\u00fdm v tak\u00fdchto podmienkach? Bohu\u017eia\u013e, prestane by\u0165 vodotesn\u00fd.<\/p>\n

\u010co sa m\u00f4\u017ee pokazi\u0165 v technol\u00f3gii v\u00fdroby bet\u00f3nu vodotesn\u00e9ho?<\/strong><\/p>\n

Za\u010dneme od bet\u00f3n\u00e1rne, kde m\u00f4\u017eeme pou\u017ei\u0165 nespr\u00e1vnu recept\u00faru bet\u00f3nu, nespr\u00e1vne zvoli\u0165 kamenivo, m\u00f4\u017ee sa objavi\u0165 nejak\u00e1 chyba v pomere cementu a vody v bet\u00f3ne, dokonca m\u00f4\u017ee d\u00f4js\u0165 k pom\u00fdleniu pri zasielan\u00ed na stavbu.<\/p>\n

Transport bet\u00f3nu:<\/strong> V\u00e4\u010d\u0161ina z n\u00e1s \u017eije v ve\u013ek\u00fdch aglomer\u00e1ci\u00e1ch, vieme, ak\u00e9 s\u00fa z\u00e1pchy. Bohu\u017eia\u013e, bet\u00f3n by mal by\u0165 maxim\u00e1lne 50 min\u00fat po zaroben\u00ed pripraven\u00fd na pou\u017eitie na stavbe. Z\u00e1pcha trvaj\u00faca hodinu sp\u00f4sob\u00ed, \u017ee tento bet\u00f3n by mal by\u0165 pravdepodobne vylial. Na stavenisku sa \u010dasto st\u00e1va, \u017ee tes\u00e1r chce prida\u0165 vodu do bet\u00f3nu, aby zv\u00fd\u0161il jeho plastickos\u0165 a aby sa lep\u0161ie ukladal. To v\u0161etko naru\u0161uje pomer vody a cementu, u\u017e to nie je n\u00e1\u0161 bet\u00f3n vodotesn\u00fd. Vyliali sme bet\u00f3n, tam e\u0161te treba nain\u0161talova\u0165 tesniace p\u00e1sky v technologick\u00fdch prest\u00e1vkach. Ch\u00fdbaj\u00fa p\u00e1sky, nespr\u00e1vny v\u00fdber, nespr\u00e1vna in\u0161tal\u00e1cia, nespr\u00e1vne zvarenie. Ch\u00fdb m\u00f4\u017ee by\u0165 ve\u013ea.<\/p>\n

Ukladanie bet\u00f3novej zmesi:<\/strong> \u010eal\u0161\u00ed krok, kde sa m\u00f4\u017ee v\u0161etko pokazi\u0165. Zmes bet\u00f3nu mo\u017eno zhadzova\u0165 z pr\u00edli\u0161 ve\u013ekej v\u00fd\u0161ky, \u010do sp\u00f4sob\u00ed rozvrstvenie bet\u00f3nu, pr\u00edli\u0161 dlh\u00e9 alebo pr\u00edli\u0161 kr\u00e1tke vibr\u00e1cie, kv\u00f4li tomu, \u017ee m\u00e1me pr\u00edli\u0161 kr\u00e1tky vibr\u00e1tor a nie sme schopn\u00ed vibr\u00e1ciou spracova\u0165 cel\u00fa v\u00fd\u0161ku steny.<\/p>\n

O\u0161etrovanie bet\u00f3nu:<\/strong> To, \u017ee sme ulo\u017eili bet\u00f3n, je len polovica \u00faspechu, mal by by\u0165 udr\u017eiavan\u00fd v spr\u00e1vnej vlhkosti a teplote. Ak je pr\u00edli\u0161 such\u00fd, mal by sa polieva\u0165 vodou, ak je pr\u00edli\u0161 mokr\u00fd, mal by by\u0165 chr\u00e1nen\u00fd pred zr\u00e1\u017ekami, a ak je pr\u00edli\u0161 studen\u00fd, mal by sa ohrieva\u0165, aby nezamrzol, ale spojen\u00fd. Za v\u0161etko je zodpovedn\u00fd \u010dlovek a ka\u017ed\u00e1 z t\u00fdchto ch\u00fdb sp\u00f4sob\u00ed, \u017ee bet\u00f3n nebude vodotesn\u00fd.<\/p>\n

\u010co robi\u0165?<\/strong><\/p>\n

Predpoklada\u0165, \u017ee bet\u00f3n nie je vodotesn\u00fd s\u00e1m o sebe a pou\u017ei\u0165 miner\u00e1lne materi\u00e1ly, ktor\u00e9 tieto trhliny uzavr\u00fa. Tak\u017ee sa vraciame k Hydrostopu a ilustr\u00e1cii, kde je zobrazen\u00e9, ako sa tieto trhliny tesnia. Treba predpoklada\u0165, \u017ee chyba m\u00f4\u017ee vznikn\u00fa\u0165 po\u010das vykon\u00e1vania a pripravi\u0165 sa na to, ako t\u00fato chybu odstr\u00e1ni\u0165.<\/p>\n

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Chcete vedie\u0165 viac o hydroizol\u00e1cii?<\/strong><\/h3>\n
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Pre\u010d\u00edtajte si na\u0161e pr\u00edru\u010dky \u2013> KLIKNI\u0164<\/a><\/h3>\n

Ak m\u00e1te \u010fal\u0161ie ot\u00e1zky t\u00fdkaj\u00face sa hydroizol\u00e1cie, kontaktujte n\u00e1\u0161ho technol\u00f3ga na \u010d\u00edsle (+48) 533 343 595.<\/h3>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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Technol\u00f3gia HYDROSTOP<\/span><\/a><\/h4>\n

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