{"id":25704,"date":"2025-07-30T09:44:23","date_gmt":"2025-07-30T07:44:23","guid":{"rendered":"https:\/\/www.alfaflor.com\/boutique\/uncategorized\/topcoat-for-intumescent-varnish-for-wood-vi-bois\/"},"modified":"2026-09-30T12:43:20","modified_gmt":"2026-09-30T10:43:20","slug":"topcoat-for-intumescent-varnish-for-wood-vi-bois","status":"publish","type":"product","link":"https:\/\/www.alfaflor.com\/en\/boutique\/fire-retardants\/intumescent-varnish\/topcoat-for-intumescent-varnish-for-wood-vi-bois\/","title":{"rendered":"Topcoat for intumescent varnish for wood – Vi Bois"},"content":{"rendered":" \n

Finish for clear fire-retardant varnish <\/h2> \n \n
The clear topcoat for intumescent varnish is the ideal solution for protecting the fire-retardant treatment previously applied to your wood while preserving its aesthetic appeal. This non-degrading finishing product perfectly complements the fire-retardant varnish and guarantees a B-s1-d0 fire rating, essential for projects subject to strict fire safety standards. <\/p> \n \n

A protective and aesthetically pleasing finish<\/strong><\/h2> \n \n
Vi Bois<\/strong> finish is a transparent, non-intumescent satin lacquer<\/strong> designed to protect the fire-retardant<\/a> primer while preserving the natural appearance of the wood. It is particularly recommended for surfaces exposed to friction or moisture: countertops, tables, interior woodwork, etc. <\/p> \n \n
Key points to remember<\/strong><\/h2> \n\r\n
\n
Maintains the B-s1-d0 classification (EN 13501-1) in combination with Vi Bois primer.<\/li> \n\r\n\r\n \n
Easy application<\/strong>, without altering the wood’s color.<\/li> \n\r\n\r\n \n
Solvent-free<\/strong>, environmentally friendly formulation.<\/li> \n\r\n\r\n \n
Designed for public buildings, hotels, museums, etc.<\/li> \n<\/ul>\r\n \n
Instructions for use<\/strong><\/h2> \n\r\n
\n
Apply only to raw wood that has been previously treated with the intumescent primer from the Vi Bois range<\/li> \n\r\n\r\n \n
Allow the primer to dry completely before application<\/li> \n\r\n\r\n \n
Apply the finish in an even coat using a roller, brush, or spray gun.<\/strong><\/strong><\/li> \n\r\n\r\n \n
Observe the application conditions: Temperature > 5\u00b0C, humidity <80%<\/strong><\/li> \n<\/ol>\r\n \nVi Bois complete fire-retardant system: primer + finish<\/strong><\/h2> \n \nVi Bois varnish is part of a high-performance two-layer system, consisting of an intumescent primer followed by a transparent finish, specially developed to meet the requirements of the European standard B-s1-d0.<\/a><\/p> \n \n
Step 1: Vi Bois intumescent primer<\/strong><\/h3> \n \n
This primary agent forms the active base of the flame-retardant system. It allows for: <\/p> \n\r\n
\n
Limit the spread of fire, in accordance with European standard EN 13501-1, classification B-s1-d0<\/li> \n\r\n\r\n \n
Offering a simple and quick application, with optimized drying time<\/li> \n\r\n\r\n \n
To be compatible with various types of wood, planed or in panels<\/li> \n<\/ul>\r\n \n
Step 2: The Vi Bois transparent finish<\/strong><\/h3> \n \n
Applied after the primer has fully dried, the finish :<\/p> \n\r\n
\n
Protects the intumescent layer from friction and moisture<\/li> \n\r\n\r\n \n
Garantit un aspect satin\u00e9 et invisible<\/strong>, qui pr\u00e9serve le rendu naturel du bois<\/li> \n\r\n\r\n \n
Maintains the B-s1-d0 fire rating, without compromising on aesthetics<\/li> \n<\/ul>\r\n \n
Who is this intumescent varnish finish designed for?<\/strong><\/h2> \n \n
This product is aimed at demanding professionals seeking high-performance fire protection without compromising on aesthetics :<\/p> \n\r\n
\n
Architects & Project Managers<\/strong><\/strong><\/li> \n\r\n\r\n \n
Carpenters, fitters, decorators<\/strong><\/strong><\/li> \n\r\n\r\n \n
Building managers subject to fire regulations <\/strong>(public access buildings, commercial buildings, cultural buildings)<\/li> \n<\/ul>\r\n","protected":false},"excerpt":{"rendered":"
Topcoat for the VI BOIS intumescent system<\/h5>\n
Protective topcoat for the VI BOIS intumescent primer, for solid wood and wood-based panels indoors. Ready to use. Made in France.<\/p>\n
The topcoat does not carry the classification.<\/strong> It protects the active layer without contributing to it. The classification is carried by the VI BOIS intumescent primer, classified B-s1,d0 under the conditions of LNE test report no. P243012-DEC\/6, issued by the LNE, a laboratory accredited for reaction-to-fire testing. Equivalence with the French M classification falls under Annex 4 of the order of 21 November 2002: it is never automatic and is assessed with your inspection body. The classification is obtained when the system is applied in accordance with the instructions for use, on the substrates covered by the test report and at the prescribed quantity, in a single application of each product.<\/p>\n
Every order is delivered with the classification test report, the instructions for use and the application declaration.<\/p>\n","protected":false},"featured_media":25662,"template":"","meta":{"_acf_changed":false,"rank_math_title":"Topcoat for intumescent wood varnish - Vi Bois","rank_math_description":"Clear topcoat for the Vi Bois intumescent primer. Protects the active layer against wear and moisture; it does not itself provide the fire classification. 20 L container, made in France.","rank_math_focus_keyword":"Intumescent varnish","rank_math_canonical_url":"","rank_math_robots":[]},"product_brand":[],"product_cat":[766],"product_tag":[],"class_list":["post-25704","product","type-product","status-publish","has-post-thumbnail","product_cat-intumescent-varnish","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"acf":[],"tiered_pricing_type":"fixed","tiered_pricing_fixed_rules":[],"tiered_pricing_product_settings":{"layout":"default","base_unit_name":{"singular":null,"plural":null},"default_variation":null},"tiered_pricing_minimum_quantity":null,"tiered_pricing_roles_data":[],"tiered_pricing_percentage_rules":[],"_links":{"self":[{"href":"https:\/\/www.alfaflor.com\/en\/wp-json\/wp\/v2\/product\/25704","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.alfaflor.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.alfaflor.com\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alfaflor.com\/en\/wp-json\/wp\/v2\/media\/25662"}],"wp:attachment":[{"href":"https:\/\/www.alfaflor.com\/en\/wp-json\/wp\/v2\/media?parent=25704"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.alfaflor.com\/en\/wp-json\/wp\/v2\/product_brand?post=25704"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.alfaflor.com\/en\/wp-json\/wp\/v2\/product_cat?post=25704"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.alfaflor.com\/en\/wp-json\/wp\/v2\/product_tag?post=25704"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}