{"id":729,"date":"2026-10-25T13:18:51","date_gmt":"2026-10-25T12:18:51","guid":{"rendered":"https:\/\/nano-bau.com\/?post_type=product&#038;p=729"},"modified":"2026-10-25T14:18:31","modified_gmt":"2026-10-25T13:18:31","slug":"piaskowiec","status":"publish","type":"product","link":"https:\/\/nano-bau.com\/index.php\/produkt\/piaskowiec\/","title":{"rendered":"PIASKOWIEC"},"content":{"rendered":"<div class=\"nb-product-content\">\n<p><strong>PIASKOWIEC<\/strong> by NANO-BAU: NANO-BAU sandstone impregnation reduces water penetration while retaining the stone&#x27;s natural character and vapour permeability. It is suitable for maintaining absorbent surfaces indoors and outdoors.<\/p>\n<nav aria-label=\"On this page\">\n<h2>10 practical topics for PIASKOWIEC<\/h2>\n<ol>\n<li><a href=\"#nb-section-1\">Properties and performance<\/a><\/li>\n<li><a href=\"#nb-section-2\">Colourless sandstone impregnation<\/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\/c8dcf9ce8387-piaskowiec_5l-bez-cienia_ikony.jpg\" alt=\"NANO-BAU PIASKOWIEC \u2014 Colourless sandstone impregnation\" width=\"600\" height=\"600\" loading=\"lazy\" \/><\/figure>\n<section id=\"nb-section-1\">\n<h2>PIASKOWIEC \u2014 Properties and performance<\/h2>\n<ul>\n<li>Reduces water penetration into sandstone while retaining its natural character and vapour permeability.<\/li>\n<li>Protection selected for the material and its natural finish.<\/li>\n<li>Defined preparation and trial procedures help assess the result.<\/li>\n<\/ul>\n<\/section>\n<section id=\"nb-section-2\">\n<h2>Colourless sandstone impregnation<\/h2>\n<h3>Substrates<\/h3>\n<ul>\n<li>sandstone with a finish within the documented scope<\/li>\n<li>absorbent sandstone cladding<\/li>\n<\/ul>\n<ul>\n<li>walls and fences<\/li>\n<li>facades, floors and decorative elements<\/li>\n<\/ul>\n<\/section>\n<section id=\"nb-section-3\">\n<h2>PIASKOWIEC \u2014 Technical parameters<\/h2>\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<p><a href=\"https:\/\/districhem.eu\/produkt\/nano-bau-impregnat-do-piaskowca\/\" 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>Clean the surface thoroughly, remove cleaning residues and allow it to dry. Assess existing coatings and absorbency before applying protection.<\/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 \u2014 Application method<\/h2>\n<ol>\n<li>Spray one coat, or two wet-on-wet. Apply only as much as the stone absorbs; remove or spread excess.<\/li>\n<li>Above +5\u00b0C, on clean, dry stone; at least 3 hours without rain.<\/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>Above +5\u00b0C, on clean, dry stone; at least 3 hours without rain.<\/p>\n<\/section>\n<section id=\"nb-section-7\">\n<h2>Consumption, packs and calculations<\/h2>\n<p>Approximately 100\u2013150 ml\/m\u00b2.<\/p>\n<p>Complete treatment as instructed; no automatic coat multiplier.<\/p>\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<\/th>\n<td>6.67\u201310 m\u00b2<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">5 L<\/th>\n<td>33.33\u201350 m\u00b2<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">10 L<\/th>\n<td>66.67\u2013100 m\u00b2<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">20 L<\/th>\n<td>133.33\u2013200 m\u00b2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3>Example for 50 m\u00b2<\/h3>\n<p>5\u20137.5 l<\/p>\n<\/section>\n<section id=\"nb-section-8\">\n<h2>Maintenance and limitations<\/h2>\n<p>Declared durability up to 8 years, depending on the substrate and 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<\/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>Product questions<\/h2>\n<div class=\"catalogue-faq\">\n<h3>Which surfaces is this product intended for?<\/h3>\n<ul>\n<li>sandstone with a finish within the documented scope<\/li>\n<li>absorbent sandstone cladding<\/li>\n<\/ul>\n<\/div>\n<div class=\"catalogue-faq\">\n<h3>What consumption should I use?<\/h3>\n<p>Approximately 100\u2013150 ml\/m\u00b2.<\/p>\n<p>Complete treatment as instructed; no automatic coat multiplier.<\/p>\n<\/div>\n<div class=\"catalogue-faq\">\n<h3>How should the substrate be prepared?<\/h3>\n<ol>\n<li>Clean the surface thoroughly, remove cleaning residues and allow it to dry. Assess existing coatings and absorbency before applying protection.<\/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>Spray one coat, or two wet-on-wet. Apply only as much as the stone absorbs; remove or spread excess.<\/li>\n<li>Above +5\u00b0C, on clean, dry stone; at least 3 hours without rain.<\/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>Above +5\u00b0C, on clean, dry stone; at least 3 hours without rain.<\/p>\n<\/div>\n<div class=\"catalogue-faq\">\n<h3>How should durability and renewal be assessed?<\/h3>\n<p>Declared durability up to 8 years, depending on the substrate and 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<\/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<\/h2>\n<p>Start by identifying the material, its finish and the result you want to achieve. The product information above sets out the intended use of PIASKOWIEC. Check these details against your own surface before deciding on the treatment. A product intended for one material should not be assumed suitable for a different substrate simply because the two look similar.<\/p>\n<p>Measure the area and inspect its condition before ordering. Existing coatings, dirt, uneven absorbency and previous treatments can affect preparation and application. Use a small, representative trial area to check compatibility, appearance and actual consumption. For a large project, compare several locations rather than relying on a single unusually smooth or sheltered patch.<\/p>\n<p>Keep a record of the quantity used during the trial and the area treated. Where a consumption range is provided, use it as a planning guide and confirm it under the actual site conditions. Follow the stated application sequence; do not multiply a complete-treatment consumption figure by the number of coats unless the instructions explicitly require it.<\/p>\n<p>Before applying PIASKOWIEC, read the current product label and the linked technical documentation. Keep adjacent materials protected and arrange the work around the required weather and drying conditions. Inspect the result after the specified curing or drying period and plan routine maintenance according to the product&#8217;s limitations.<\/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; it does not replace the instructions supplied with your particular pack.<\/p>\n<\/section>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p><strong>PIASKOWIEC<\/strong> by NANO-BAU: NANO-BAU sandstone impregnation reduces water penetration while retaining the stone&#8217;s natural character and vapour permeability. It is suitable for maintaining absorbent surfaces indoors and outdoors.<\/p>\n","protected":false},"featured_media":724,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[320],"product_cat":[322],"product_tag":[],"class_list":["post-729","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\/729","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=729"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nano-bau.com\/index.php\/wp-json\/wp\/v2\/media\/724"}],"wp:attachment":[{"href":"https:\/\/nano-bau.com\/index.php\/wp-json\/wp\/v2\/media?parent=729"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/nano-bau.com\/index.php\/wp-json\/wp\/v2\/product_brand?post=729"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/nano-bau.com\/index.php\/wp-json\/wp\/v2\/product_cat?post=729"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/nano-bau.com\/index.php\/wp-json\/wp\/v2\/product_tag?post=729"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}