{"id":48,"date":"2026-03-19T15:21:34","date_gmt":"2026-03-19T15:21:34","guid":{"rendered":"https:\/\/dexdari.space\/?page_id=48"},"modified":"2026-03-19T15:56:18","modified_gmt":"2026-03-19T15:56:18","slug":"substrate-engineering-thermal-mass-optimization","status":"publish","type":"page","link":"https:\/\/dexdari.space\/?page_id=48","title":{"rendered":"Substrate Engineering &amp; Thermal Mass Optimization"},"content":{"rendered":"\n<p>The success of underfloor heating is not just in the pipes, but in the material surrounding them. At <strong>dexdari<\/strong>, we specialize in the technical interface between the heating element and the floor finish. Our Harold&#8217;s Cross studio meticulously plans the &#8220;Thermal Mass&#8221; of every project to ensure maximum heat emission and energy efficiency.<\/p>\n\n\n\n<p><strong>Insulation and Reflective Barriers<\/strong><\/p>\n\n\n\n<p>To prevent downward heat loss, we utilize high-density PIR (Polyisocyanurate) insulation boards with a minimum compressive strength of 140kPa. We install reflective foil membranes and perimeter expansion strips to ensure that 100% of the generated thermal energy is directed upwards into the living space. This technical layering is essential for meeting the $U$-value requirements of the Irish sustainable energy authority (SEAI).<\/p>\n\n\n\n<p><strong>Screed Dynamics and Conductivity<\/strong><\/p>\n\n\n\n<p>We advise on and manage the application of specialized liquid screeds (Anhydrite or Cementitious) that offer superior thermal conductivity compared to traditional sand-and-cement mixes. The liquid screed fully encapsulates the pipe, eliminating air pockets that act as insulators. This ensures a more rapid heat transfer and a more uniform surface temperature, preventing &#8220;hot spots&#8221; on the final floor finish.<\/p>\n\n\n\n<p><strong>Moisture Content and Floor Finishing<\/strong><\/p>\n\n\n\n<p>Before any final flooring (timber, tile, or LVT) is installed, dexdari performs a technical moisture test of the substrate. We ensure the screed has reached the correct CM (Calcium Carbide) percentage to prevent warping of floor finishes. We provide a structured &#8220;ramp-up&#8221; heating protocol to gradually introduce heat to the floor, allowing the materials to settle without thermal shock.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The success of underfloor heating is not just in the pipes, but in the material surrounding them. At dexdari, we specialize in the technical interface between the heating element and<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":10,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-48","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/dexdari.space\/index.php?rest_route=\/wp\/v2\/pages\/48","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dexdari.space\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/dexdari.space\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/dexdari.space\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dexdari.space\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=48"}],"version-history":[{"count":1,"href":"https:\/\/dexdari.space\/index.php?rest_route=\/wp\/v2\/pages\/48\/revisions"}],"predecessor-version":[{"id":49,"href":"https:\/\/dexdari.space\/index.php?rest_route=\/wp\/v2\/pages\/48\/revisions\/49"}],"wp:attachment":[{"href":"https:\/\/dexdari.space\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=48"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}