| 摘要 |
An insulating panel for buildings has an insulating core with one face imprinted with a grid pattern and a multiplicity of rectilinear lines radiating from one corner and defining increasing included angles relative to the base side of the panel which corresponds to pitch lines of roofs. The pitch line of a roof may be determined, and then the equivalent angular line located on the printed face. The panel may be cut along this line to abut closely the structural member of the roof extending at that angle. Vertical and horizontal measurements of the space in which the panel is to be fitted can be readily transposed to the grid pattern for making perpendicular or horizontal cuts therealong. The panel is conveniently formed by imprinting a facing sheet member and securing it to a synthetic resin core member.
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