Abstract: Provided is a structure having both fire resistance and heat insulation properties and capable of retaining its shape without being collapsed or deformed even when exposed to a flame. The present invention provides a fire-resistant heat-insulation composition comprising 70 to 250 parts by mass of gypsum based on 100 parts by mass of calcium aluminate having a CaO content of 34% or more, and 0.1 to 20 parts by mass of a fibrous inorganic clay mineral having a crystallization water ratio of 5% or more, based on 100 parts by mass of the total of the calcium aluminate and the gypsum.

Abstract: A polycarbonate resin-containing composition is extruded through a die together with a blowing agent to produce a foamed body. The composition has a storage modulus G'.sub.A dyn/cm.sup.2 at a temperature of 250.degree. C. and an angular frequency of 0.1 rad/sec and a storage modulus G'.sub.B dyn/cm.sup.2 at a temperature of 250.degree. C. and an angular frequency of 10 rad/sec, wherein the storage modulus G'.sub.A and storage modulus G'.sub.B satisfy the following conditions:0.ltoreq..alpha..ltoreq.2.02.20.ltoreq..beta..ltoreq.5.70where .alpha. represents (logG'.sub.B -logG'.sub.A)/2 and .beta. represents (logG'.sub.B+logG'.sub.A)/2.