Insulating A Concrete Roof From Inside

High performance glass tissue faced pir insulation for flat roofing applications.

Insulating a concrete roof from inside.

Insulating concrete is made with special lightweight aggregates meeting astm specifications c332 or made by using preformed or formed in place foam with cement cement sand mortar and also with lightweight aggregates. Can you give me some information on insulating concrete for roof decks. This method eliminates the need for ventilation and the risk of condensation whilst providing superior thermal performance to cold deck. In fact insulation from the inside will inevitably lead to the formation of condensation caused by the humidity present inside the building.

The amount of insulation required with the specific structural deck will determine the. To insulate a flat roof with a concrete deck we recommend a warm deck construction method where the vapour control layer is sandwiched between the concrete deck and a layer of rigid pir insulation boards. Creating a void between the old ceiling and new is better but ideally you need to eventually consider insulating the top of the concrete roof with solid insulation and a better. Lightweight insulated concrete also known as lwic is a material intended for use as an insulation and substrate for support and attachment of roofing membranes on slope roofs the lwic systems are composed of either aggregate or cellular concrete.

The supports will rot if they are made of wood or rust if they are of reinforced concrete. Find out more about kingspan insulation products which are suitable to insulate cool concrete deck flat roofs. Flat concrete roofs are generally not ventilated since the ceiling internally is generally a plaster and skim coat directly to the underside of the cold concrete.