Any window your sealing must be not sealed completely and you can leave a hole or a very narrow pipe going through Last Updated: 6 years ago in Misc. Tags: walls Related Articles Can one ask anything he wants on kippur not like rosh hashana? If one still Did not say Hataras nedarim can he still say it today (erev yom kippur)? If my wife is staying by her parents house for yom Kippur…does she light a candle with a beracha even though her mom will light the candle also? Hi rabbi my wife is 6 months pregnant do I do capparot on the baby also? Kvod harav, Can a father bless his son in law on Shabbat or before Yom Kippur shalom harav if someone buy a suit and it says 100% wool should be checked for shatnez?