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Airtightness sealing of external doors

denismc · 2019-04-16 15:58:06

I am looking at replacing 2 external doors in our house and am wondering what is the current best practice regards sealing around the frame. One vendor suggested expanding foam is good enough to seal the frame, the airtightness in our house is poor so I want to make sure I can get these doors well sealed.

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16-04-2019 4:58pm

#1

denismc

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Join Date: January 2009

Posts: 1390

I am looking at replacing 2 external doors in our house and am wondering what is the current best practice regards sealing around the frame.
One vendor suggested expanding foam is good enough to seal the frame, the airtightness in our house is poor so I want to make sure I can get these doors well sealed.

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#2 17-04-2019 9:35am
Wartburg

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Join Date: March 2018

Posts: 134

Foam alone will not create a permanent and sufficient air tightness layer in the most cases. An additional layer, made of window tape, air tight sealant or air tight paint is required. The best option is depending to your building structure.

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