12 Parade of Homes FALL 2015
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QUALITY
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Surprisingly, the highest r-value (thermal resistance) isn't
always the best for some doors.
"If it's a steel door you want, be careful that the r-value is
not more than about 10," he says.
With a higher value than 10, the difference between the
outside and the inside steel skin temperature can vary too
much, causing the panel to "cup or bow."
"This causes improper function and does not like to cor-
rect itself," he says.
vinyl (PvC) materials are also unstable on their own unless
they are reinforced with steel aluminum inside to help
keep them rigid.
"The most important thing to remember is to not mix
materials that are unstable with materials that are sta-
ble in any door," he says.
Wood frames with fibreglass or wood panels are stable
and wood clad panels and frames are available if you
want an all-wood interior. Most wood panels are now
built with engineered core for stability. But materials
don't mean a thing without careful, professional instal-
lation. ginter says installations are at fault in 90% of ser-
vice calls.
"you can buy a $10,000 dollar door with a great bill of
materials and design and yet have grief from the start
due to a poor installation."
grAnd entrAnces
Cont'd from page 11
behr paint in vibrant colours and sea gull lighting sconces (centre) add curb appeal.
