{"id":836,"date":"2026-10-25T13:18:51","date_gmt":"2026-10-25T12:18:51","guid":{"rendered":"https:\/\/nano-bau.com\/?post_type=product&#038;p=836"},"modified":"2026-10-25T14:10:34","modified_gmt":"2026-10-25T13:10:34","slug":"piaskowiec-specialchem","status":"publish","type":"product","link":"https:\/\/nano-bau.com\/index.php\/produkt\/piaskowiec-specialchem\/","title":{"rendered":"PIASKOWIEC + SPECIALCHEM"},"content":{"rendered":"<div class=\"nb-product-content\">\n<p><strong>PIASKOWIEC + SPECIALCHEM<\/strong> by NANO-BAU: For sandstone, follow the sequence of cleaning, rinsing, drying and impregnation. PIASKOWIEC CLEAN + NANO-BAU Piaskowiec provides separate products for both stages.<\/p>\n<nav aria-label=\"On this page\">\n<h2>10 practical topics for PIASKOWIEC + SPECIALCHEM<\/h2>\n<ol>\n<li><a href=\"#nb-section-1\">Properties and performance<\/a><\/li>\n<li><a href=\"#nb-section-2\">Preparation and impregnation of sandstone<\/a><\/li>\n<li><a href=\"#nb-section-3\">Technical parameters<\/a><\/li>\n<li><a href=\"#nb-section-4\">Surface preparation<\/a><\/li>\n<li><a href=\"#nb-section-5\">Application method<\/a><\/li>\n<li><a href=\"#nb-section-6\">Conditions and drying time<\/a><\/li>\n<li><a href=\"#nb-section-7\">Consumption, packs and calculations<\/a><\/li>\n<li><a href=\"#nb-section-8\">Maintenance and limitations<\/a><\/li>\n<li><a href=\"#nb-section-9\">Storage and safety<\/a><\/li>\n<li><a href=\"#nb-section-10\">Product questions<\/a><\/li>\n<\/ol>\n<\/nav>\n<figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.nanobau.uk\/assets\/catalogue\/562a248a428c-clean-piaskowiec-impregnat-piaskowiec-5L-poprawione.jpg\" alt=\"NANO-BAU PIASKOWIEC + SPECIALCHEM \u2014 Preparation and impregnation of sandstone\" width=\"600\" height=\"600\" loading=\"lazy\" \/><\/figure>\n<section id=\"nb-section-1\">\n<h2>PIASKOWIEC + SPECIALCHEM \u2014 Properties and performance<\/h2>\n<ul>\n<li>Preparation and impregnation of sandstone<\/li>\n<\/ul>\n<\/section>\n<section id=\"nb-section-2\">\n<h2>Preparation and impregnation of sandstone<\/h2>\n<h3>Substrates<\/h3>\n<ul>\n<li>Relevant substrates include sandstone on compatible facades, walls, fences and stone details. Also assess joints, coatings and adjacent elements. Mark out a trial area, record product consumption and inspect the result before continuing with the remaining work.<\/li>\n<\/ul>\n<ul>\n<li>Relevant substrates include sandstone on compatible facades, walls, fences and stone details. Also assess joints, coatings and adjacent elements. Mark out a trial area, record product consumption and inspect the result before continuing with the remaining work.<\/li>\n<\/ul>\n<\/section>\n<section id=\"nb-section-3\">\n<h2>PIASKOWIEC + SPECIALCHEM \u2014 Technical parameters<\/h2>\n<h3>Document applies to: PIASKOWIEC<\/h3>\n<div class=\"catalogue-table-scroll\">\n<table class=\"catalogue-table\">\n<thead>\n<tr>\n<th scope=\"col\">Parameter<\/th>\n<th scope=\"col\">Value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th scope=\"row\">Product type<\/th>\n<td>Water-repellent impregnation<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Visual effect<\/th>\n<td>Natural appearance; assess the final result by trial<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Approximate consumption<\/th>\n<td>100\u2013150 ml\/m\u00b2<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Approximate coverage<\/th>\n<td>Approximately 6.7\u201310 m\u00b2\/l<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Coats \/ sequence<\/th>\n<td>1; optionally 2, with the second applied only wet-on-wet<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Application method<\/th>\n<td>Even spraying or manual application as directed on the label<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Application temperature<\/th>\n<td>Above +5\u00b0C<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Protection from water<\/th>\n<td>At least 3 hours after application<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">pH<\/th>\n<td>9 (undiluted product)<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Shelf life<\/th>\n<td>3 years from the production date<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3>Technical documentation<\/h3>\n<p><a class=\"catalogue-document\" href=\"https:\/\/districhem.eu\/wp-content\/uploads\/2026\/10\/NANO-BAU-IMPREGNAT-DO-PIASKOWCA-karta-techniczna-PL-v2.pdf\" target=\"_blank\" rel=\"noopener\">PDF in Polish \u00b7 PIASKOWIEC &#x2197;<\/a><\/p>\n<p>Data from the product description and technical documentation. Follow the current label for the supplied variant and confirm working conditions by a substrate trial.<\/p>\n<aside class=\"catalogue-warning\"><strong>Differences in documentation<\/strong><\/p>\n<p>The kit description gives impregnation consumption of approximately 100 ml\/m\u00b2, while the component PDF gives 100\u2013150 ml\/m\u00b2. Establish the quantity by a sandstone trial; the cleaner is a separate stage and component. The kit instructions specify at least 2 hours without water, while the impregnant PDF specifies at least 3 hours; confirm the conditions for the supplied variant before starting work.<\/p>\n<\/aside>\n<p><a href=\"https:\/\/districhem.eu\/produkt\/zestaw-do-piaskowca-czyszczenie-specialchem-impregnat-nanobau\/\" target=\"_blank\" rel=\"noopener\">Product source &#x2197;<\/a><\/section>\n<section id=\"nb-section-4\">\n<h2>Surface preparation<\/h2>\n<p>First test a small, inconspicuous area.<\/p>\n<ol>\n<li>Start by selecting cleaner concentration and testing compatibility. After cleaning, remove residues, rinse as instructed and wait for the material to dry completely.<\/li>\n<li>Carry out a compatibility trial and assess the complete result before treating a larger area.<\/li>\n<\/ol>\n<\/section>\n<section id=\"nb-section-5\">\n<h2>PIASKOWIEC + SPECIALCHEM \u2014 Application method<\/h2>\n<ol>\n<li>Cleaner: lightly pre-wet the substrate, leave for 5\u201310 minutes without drying and rinse. In a sprayer, dilute at least 1:1 and no further than 1:10, depending on the method. Apply one coat of impregnation to completely dry stone.<\/li>\n<li>The cleaner irritates skin and eyes: wear gloves and goggles; do not use on aluminium. This kit&#8217;s instructions require at least 2 hours without water after impregnation.<\/li>\n<li>After treatment, check the uniformity of the result and follow the conditions for subsequent use stated on the label.<\/li>\n<\/ol>\n<\/section>\n<section id=\"nb-section-6\">\n<h2>Conditions and drying time<\/h2>\n<p>The cleaner irritates skin and eyes: wear gloves and goggles; do not use on aluminium. This kit&#8217;s instructions require at least 2 hours without water after impregnation.<\/p>\n<aside class=\"catalogue-warning\"><strong>Differences in documentation<\/strong><\/p>\n<p>The kit description gives impregnation consumption of approximately 100 ml\/m\u00b2, while the component PDF gives 100\u2013150 ml\/m\u00b2. Establish the quantity by a sandstone trial; the cleaner is a separate stage and component. The kit instructions specify at least 2 hours without water, while the impregnant PDF specifies at least 3 hours; confirm the conditions for the supplied variant before starting work.<\/p>\n<\/aside>\n<\/section>\n<section id=\"nb-section-7\">\n<h2>Consumption, packs and calculations<\/h2>\n<p>Cleaner: approximately 10\u201320 m\u00b2\/l; impregnation in the kit description: approximately 10 m\u00b2\/l (0.1 l\/m\u00b2).<\/p>\n<p>Use the components separately. Do not add cleaner and coating volumes together to calculate coverage.<\/p>\n<aside class=\"catalogue-warning\"><strong>Differences in documentation<\/strong><\/p>\n<p>The kit description gives impregnation consumption of approximately 100 ml\/m\u00b2, while the component PDF gives 100\u2013150 ml\/m\u00b2. Establish the quantity by a sandstone trial; the cleaner is a separate stage and component. The kit instructions specify at least 2 hours without water, while the impregnant PDF specifies at least 3 hours; confirm the conditions for the supplied variant before starting work.<\/p>\n<\/aside>\n<div class=\"catalogue-table-scroll\">\n<table class=\"catalogue-table\">\n<thead>\n<tr>\n<th scope=\"col\">Pack sizes<\/th>\n<th scope=\"col\">Indicative pack coverage<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th scope=\"row\">1 L impregnation + 1 L cleaner<\/th>\n<td>Establish by trial and from the label<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">2 L impregnation + 2 L cleaner<\/th>\n<td>Establish by trial and from the label<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">5 L impregnation + 5 L cleaner<\/th>\n<td>Establish by trial and from the label<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">10 L impregnation + 10 L cleaner<\/th>\n<td>Establish by trial and from the label<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">20 L impregnation + 20 L cleaner<\/th>\n<td>Establish by trial and from the label<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3>Example for 50 m\u00b2<\/h3>\n<p>PIASKOWIEC: Establish by trial and from the label; PIASKOWIEC CLEAN: Establish by trial and from the label<\/p>\n<\/section>\n<section id=\"nb-section-8\">\n<h2>Maintenance and limitations<\/h2>\n<p>No single numerical service life is stated for all applications. Assess surface condition and retreatment needs according to use.<\/p>\n<ul>\n<li>Do not apply to dirty surfaces or incompatible coatings. The impregnation does not remove existing stains or replace crack repair or waterproofing. Assess protection on a clean surface and adapt renewal to service conditions.<\/li>\n<li>The components have separate purposes and requirements. Do not mix them; plan cleaning, rinsing, drying and impregnation as distinct stages.<\/li>\n<\/ul>\n<\/section>\n<section id=\"nb-section-9\">\n<h2>Storage and safety<\/h2>\n<ul>\n<li>3 years from the production date. Store in tightly closed original packaging in a dry, ventilated place, protected from overheating. Follow the label&#8217;s temperature requirements.<\/li>\n<\/ul>\n<p>Read the current label and safety data sheet before use. Wear the required personal protective equipment. Do not mix with other products.<\/p>\n<\/section>\n<section id=\"nb-section-10\">\n<h2>PIASKOWIEC + SPECIALCHEM \u2014 Product questions<\/h2>\n<div class=\"catalogue-faq\">\n<h3>Which surfaces is this product intended for?<\/h3>\n<ul>\n<li>Relevant substrates include sandstone on compatible facades, walls, fences and stone details. Also assess joints, coatings and adjacent elements. Mark out a trial area, record product consumption and inspect the result before continuing with the remaining work.<\/li>\n<\/ul>\n<\/div>\n<div class=\"catalogue-faq\">\n<h3>What consumption should I use?<\/h3>\n<p>Cleaner: approximately 10\u201320 m\u00b2\/l; impregnation in the kit description: approximately 10 m\u00b2\/l (0.1 l\/m\u00b2).<\/p>\n<p>Use the components separately. Do not add cleaner and coating volumes together to calculate coverage.<\/p>\n<aside class=\"catalogue-warning\"><strong>Differences in documentation<\/strong><\/p>\n<p>The kit description gives impregnation consumption of approximately 100 ml\/m\u00b2, while the component PDF gives 100\u2013150 ml\/m\u00b2. Establish the quantity by a sandstone trial; the cleaner is a separate stage and component. The kit instructions specify at least 2 hours without water, while the impregnant PDF specifies at least 3 hours; confirm the conditions for the supplied variant before starting work.<\/p>\n<\/aside>\n<\/div>\n<div class=\"catalogue-faq\">\n<h3>How should the substrate be prepared?<\/h3>\n<ol>\n<li>Start by selecting cleaner concentration and testing compatibility. After cleaning, remove residues, rinse as instructed and wait for the material to dry completely.<\/li>\n<li>Carry out a compatibility trial and assess the complete result before treating a larger area.<\/li>\n<\/ol>\n<\/div>\n<div class=\"catalogue-faq\">\n<h3>How is the product applied?<\/h3>\n<ol>\n<li>Cleaner: lightly pre-wet the substrate, leave for 5\u201310 minutes without drying and rinse. In a sprayer, dilute at least 1:1 and no further than 1:10, depending on the method. Apply one coat of impregnation to completely dry stone.<\/li>\n<li>The cleaner irritates skin and eyes: wear gloves and goggles; do not use on aluminium. This kit&#8217;s instructions require at least 2 hours without water after impregnation.<\/li>\n<li>After treatment, check the uniformity of the result and follow the conditions for subsequent use stated on the label.<\/li>\n<\/ol>\n<\/div>\n<div class=\"catalogue-faq\">\n<h3>What conditions are needed for drying?<\/h3>\n<p>The cleaner irritates skin and eyes: wear gloves and goggles; do not use on aluminium. This kit&#8217;s instructions require at least 2 hours without water after impregnation.<\/p>\n<\/div>\n<div class=\"catalogue-faq\">\n<h3>How should durability and renewal be assessed?<\/h3>\n<p>No single numerical service life is stated for all applications. Assess surface condition and retreatment needs according to use.<\/p>\n<\/div>\n<div class=\"catalogue-faq\">\n<h3>What are the limitations of use?<\/h3>\n<ul>\n<li>Do not apply to dirty surfaces or incompatible coatings. The impregnation does not remove existing stains or replace crack repair or waterproofing. Assess protection on a clean surface and adapt renewal to service conditions.<\/li>\n<li>The components have separate purposes and requirements. Do not mix them; plan cleaning, rinsing, drying and impregnation as distinct stages.<\/li>\n<\/ul>\n<\/div>\n<div class=\"catalogue-faq\">\n<h3>How should the product be stored?<\/h3>\n<ul>\n<li>3 years from the production date. Store in tightly closed original packaging in a dry, ventilated place, protected from overheating. Follow the label&#8217;s temperature requirements.<\/li>\n<\/ul>\n<\/div>\n<\/section>\n<section>\n<h2>Planning your project with PIASKOWIEC + SPECIALCHEM<\/h2>\n<p>Use PIASKOWIEC + SPECIALCHEM as a two-stage sandstone treatment: clean, rinse and allow the surface to dry before applying the impregnation. Calculate each component separately and confirm the quantity on a representative trial area. Follow the current labels for the supplied kit.<\/p>\n<p>Explore the <a href=\"https:\/\/nano-bau.com\/#produkty\">NANO-BAU product catalogue<\/a> to compare applications, or <a href=\"https:\/\/nano-bau.com\/#contact\">contact NANOBIZ.PL<\/a> for help identifying the appropriate product. This page describes PIASKOWIEC + SPECIALCHEM; it does not replace the instructions supplied with your particular pack.<\/p>\n<\/section>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p><strong>PIASKOWIEC + SPECIALCHEM<\/strong> by NANO-BAU: For sandstone, follow the sequence of cleaning, rinsing, drying and impregnation. PIASKOWIEC CLEAN + NANO-BAU Piaskowiec provides separate products for both stages.<\/p>\n","protected":false},"featured_media":831,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[320],"product_cat":[322],"product_tag":[],"class_list":["post-836","product","type-product","status-publish","has-post-thumbnail","product_brand-nano-bau","product_cat-natural-stone","first","instock","shipping-taxable","product-type-external"],"acf":[],"_links":{"self":[{"href":"https:\/\/nano-bau.com\/index.php\/wp-json\/wp\/v2\/product\/836","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nano-bau.com\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/nano-bau.com\/index.php\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/nano-bau.com\/index.php\/wp-json\/wp\/v2\/comments?post=836"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nano-bau.com\/index.php\/wp-json\/wp\/v2\/media\/831"}],"wp:attachment":[{"href":"https:\/\/nano-bau.com\/index.php\/wp-json\/wp\/v2\/media?parent=836"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/nano-bau.com\/index.php\/wp-json\/wp\/v2\/product_brand?post=836"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/nano-bau.com\/index.php\/wp-json\/wp\/v2\/product_cat?post=836"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/nano-bau.com\/index.php\/wp-json\/wp\/v2\/product_tag?post=836"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}