Forums
New posts
Forum list
Search forums
What's new
New posts
New resources
Latest activity
Trending Threads
Resources
Latest reviews
Search resources
FarmTV
Farm Compare
Search
Tokens/Searches
Calendar
Upcoming Events
Members
Registered members
Current visitors
New Resources
New posts
Log in
Register
What's new
Search
Search
Search titles only
By:
New posts
Forum list
Search forums
Menu
Log in
Register
Navigation
Install the app
Install
More options
Contact us
Close Menu
Forums
Farm Building and Infrastructure
Buildings & Infrastructure
Vapour barriers
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Reply to thread
Message
<blockquote data-quote="Water Wheel" data-source="post: 7769115" data-attributes="member: 35980"><p>I'm told <strong>Thermal Bypass</strong> ,gaps around insulation has a massive effect.</p><p></p><p>[URL unfurl="true"]https://www.greenspec.co.uk/building-design/thermal-bypass/[/URL]</p><p></p><p>“<em>Closed loop” convection can result in significant failures in thermal performance. In principle this is driven by stack effect. A range of studies have shown that even narrow air gaps between the (internal) air barrier and the insulation and small gaps in the joints between insulation have been shown to result in significant heat loss. The proportionate impact of the convection increases as the U-value is improved. An increase in heat loss of about 160% greater than the calculated U-value is not uncommon when air gaps exist behind the insulation.</em></p></blockquote><p></p>
[QUOTE="Water Wheel, post: 7769115, member: 35980"] I'm told [B]Thermal Bypass[/B] ,gaps around insulation has a massive effect. [URL unfurl="true"]https://www.greenspec.co.uk/building-design/thermal-bypass/[/URL] “[I]Closed loop” convection can result in significant failures in thermal performance. In principle this is driven by stack effect. A range of studies have shown that even narrow air gaps between the (internal) air barrier and the insulation and small gaps in the joints between insulation have been shown to result in significant heat loss. The proportionate impact of the convection increases as the U-value is improved. An increase in heat loss of about 160% greater than the calculated U-value is not uncommon when air gaps exist behind the insulation.[/I] [/QUOTE]
Insert quotes…
Verification
Post reply
Forums
Farm Building and Infrastructure
Buildings & Infrastructure
Vapour barriers
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.
Accept
Learn more…
Top