As crucial as renewing the seals periodically is choosing the correct seal for the windows and doors. If your previous weatherstrip has worked well, you should usually select a similar seal to replace it. There are various types of seals, e.g., groove seals, self-adhesive seals and silicone seals. O-profile (omega) groove seals are placed into grooves in your door/window. The groove is already in the door/window in most new windows. For older doors and windows, we recommend you use self-adhesive seals or contact a professional if you'd like to switch to groove seals. We recommend that you don't make the grooves yourself.
