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careme 04-17-2013 11:05 AM

Cutting roll of insulation to fit dome
 
The insulation roll is 24 inches wide. How to cut it for
good coverage and minimum waste? I have not solved
the question of how to make triangles fit? Just slap dash
draping and overlapping seems crude and wasteful. Any
ideas will be appreciated. I could not find much information
searching threads and photos. Thanks. Careme in NC

UtahBeehiver 04-17-2013 02:26 PM

Re: Cutting roll of insulation to fit dome
 
1 Attachment(s)
C,

You may want to post your question under the construction thread, will see more response there. Here is a pic of my CF and where I cut (V's for the curvature and Squares where the blanket seams are butted together). My CF was 48" wide and I cut 32" x 48" squares and installed horizontal. I took alot of care in cutting and fitting since I am doing an igloo and wanted to maintain the dome shape. If you do an enclosure then the fitting is not quite a critical. Can't emphasize enough to insulate, insulate, insulate.

brickie in oz 04-18-2013 12:43 AM

Re: Cutting roll of insulation to fit dome
 
I found cutting equilateral triangle the best method, just lay them head to toe. :)

david s 04-18-2013 01:12 AM

Re: Cutting roll of insulation to fit dome
 
I cut about 4 or 5 triangles for my first oven, which went from the base to the top, but found I had to belly the sides out in a curve so they would fit the curve of the dome. Straight triangles give you gaps between them when bent around the sphere.

vtsteve 04-19-2013 08:48 AM

Re: Cutting roll of insulation to fit dome
 
I draped the blanket over/around the dome, then cut the wrinkles with a scissors-style hedge clipper - make a single cut and overlap the edges, or two cuts, remove the wedge, and butt the edges. Overlap the seams on successive layers.


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