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rigid insulation

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rigid insulation [′rij·id ‚in·sə′lā·shən]
(electricity)
Electrical insulation that is part of a rigid structure, and must provide mechanical strength and stability of form as well as a dielectric barrier; mica, glass, porcelain, and thermosetting resins are the principal materials used.

rigid insulation
Thermal insulation whose density is high enough so that a sheet of this insulation will stand upright if supported only along one edge of the sheet.


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This is usually done by insulating between the roof rafters using rigid insulation boards.
9 For the external walls in an attic space rigid insulation like Kingspan is the easiest to fix.
Instead of removing the exterior siding and drilling holes in the walls to allow blow-in insulation, we will likely do some rigid insulation inside, with drywall on top.
 
 
 
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