Improvements in or relating to insulation

An insulating material for use as a roofing structure, to which is to be applied a roofing felt using hot bitumen. In order to avoid gassing when roofing felt is applied directly to a foamed polyurethane or polyisocyanurate insulation material, a cover layer serving as a heat sink is applied to the...

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Bibliographische Detailangaben
1. Verfasser:	ANTHONY FREEMAN VALE
Format:	Patent
Sprache:	eng
Schlagworte:	BUILDING FIXED CONSTRUCTIONS GUTTERS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM PERFORMING OPERATIONS ROOF COVERINGS ROOF-WORKING TOOLS SKY-LIGHTS TRANSPORTING
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Beschreibung
Zusammenfassung:	An insulating material for use as a roofing structure, to which is to be applied a roofing felt using hot bitumen. In order to avoid gassing when roofing felt is applied directly to a foamed polyurethane or polyisocyanurate insulation material, a cover layer serving as a heat sink is applied to the insulation material. The cover layer has a lower thermal conductivity than the insulation material and is preferably fibre board.