{"id":17952,"date":"2018-02-27T02:15:22","date_gmt":"2018-02-27T00:15:22","guid":{"rendered":"https:\/\/mcrtecresa.com\/tecwool-mortar\/tecwool-825\/proteccion-de-tuneles"},"modified":"2026-03-17T14:54:06","modified_gmt":"2026-03-17T12:54:06","slug":"tunnel-protection","status":"publish","type":"page","link":"https:\/\/mcrtecresa.com\/en\/tecwool-mortar\/tecwool-825\/tunnel-protection","title":{"rendered":"Tecwool 825 \u2013 Tunnel Protection"},"content":{"rendered":"

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mcr tecresa\u00ae<\/a><\/span><\/span><\/code><\/pre>\n
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Tecwool\u00ae 825 Mortar - Constructive Solutions<\/h2>
<\/div><\/div>[vc_empty_space][vc_row_inner][vc_column_inner width=”1\/4″][vc_btn title=”Steelwork protection” style=”outline-custom” outline_custom_color=”#000000″ outline_custom_hover_background=”#666666″ outline_custom_hover_text=”#ffffff” shape=”round” size=”sm” align=”center” button_block=”true” link=”url:https%3A%2F%2Fmcrtecresa.com%2Fen%2Ftecwool-mortar%2Ftecwool-825%2Fsteelwork-protection|||”][\/vc_column_inner][vc_column_inner width=”1\/4″][vc_btn title=”Tunnel protection” style=”custom” custom_background=”#dd3333″ custom_text=”#ffffff” shape=”round” size=”sm” align=”center” button_block=”true” link=”url:%23|||”][\/vc_column_inner][vc_column_inner width=”1\/4″][\/vc_column_inner][vc_column_inner width=”1\/4″][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row full_width=”stretch_row”][vc_column][vc_empty_space height=”60px”]
Tecwool\u00ae 825 Mortar - Tunnel Protection<\/h1>
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We have previously emphasized in the section on Tecwool\u00ae<\/sup>\u00a0F\u00a0<\/strong>the importance to protect tunnels. For this purpose, Tecwool\u00ae 825 has been tested in accordance to RWS Protocol\/Efectis \u201cFire resistance of coatings to protect concrete\u201d and subject to the RWS and HCM fi re curves, adapting to the more common normative requirements worldwide. During the 3 hours of testing, temperature on the concrete surface never exceeded 201 \u00b0C, well below the maximums established in the protocol:<\/p>\n
380 \u00b0C on the surface and 250\u00b0 in the steel reinforcements, resulting a\u00a0Tecwool\u00ae<\/sup> 825<\/strong> superb insulation performance.<\/p>\n
Tecwool\u00ae<\/sup> 825<\/strong> has also showed a great adhesion capacity to concrete and steel, a monolithic finish and, due to its content of mineral wool, avoids the appearance of cracks over the time.<\/p>\n
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Test<\/p>
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<\/div><\/div>[vc_column_text]Standard<\/b>: Protocolo RWS \/Efectis Fire testing procedure for concrete tunnel
\nLaboratory<\/b>: Efectis Netherland
\nTest N\u00ba<\/b>: 2010-Efectis-R0531[\/vc_column_text][\/vc_column_inner][vc_column_inner width=”1\/2″]
Solution<\/p>
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<\/div><\/div>[vc_column_text]1.<\/strong><\/span>\u00a0Concrete walls or slabs.
\n2.<\/strong><\/span> Tecwool\u00ae<\/sup> 825<\/strong> (thickness is depending on the fifi re resistance required and construction characteristics).[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][vc_column width=”1\/2″ css=”.vc_custom_1519682712284{padding-left: 2rem !important;}”]
Application<\/h2>
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Tecwool\u00ae<\/sup> 825<\/strong> is spread with a pneumatic machine pursuant to the following technical specifications:<\/p>\n
The surface to be protected requires no prior primer, mesh or any other type of support for the mortar adherence.<\/p>\n
The surface to be protected should be free from dust, oil, waste, poorly\u00a0 attached particles, paint leftover, etc.<\/p>\n
It is recommended to use water with the application hose to wash dirt away from the faces. This will also help achieve a thermal balance between\u00a0 the mortar and the applied surface.<\/p>\n
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Product document<\/h2>
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