Translation of "Seep" in Japanese

If your windows are not airtight, moisture will seep in.

気密性でない窓ならば、水滴ができるだろう。

Ahhh! Feel that beer seep into every fiber of my being. Yep, nothing beats a cold one after work.

くーっ、ビールが五臓六腑にしみわたる。やっぱり仕事の後はビールだね。