Yet they were not well sealed, and they let cold drafts inside during the winter months.

Make sure the patch is well sealed around the edges.

There were no windows, indeed, the little building seemed to be well sealed.

Well sealed and precisely calibrated to draw a low yet sufficient volume of air.

Although not expensive, at the time it was of advanced design and high quality construction with relatively few parts, well sealed against dirt.

Take each individual raviolo and press the air out of it with your fingers ensuring the edges are well sealed.

The double glazing should be well sealed, because air can get through the smallest space, and with it will travel the sound vibrations.

Rust will form unless the steel is well sealed and insulated.

Simply assuring that windows (and doors) are well sealed greatly reduces energy loss in a home.

Yet they were not well sealed, and they let cold drafts inside.