Miracle Foam

Lang Exterior is proud to announce Miracle Foam

Your request has been heard!

Many of our contractors have asked for this wonderful option and Lang has listened! It is now here... Miracle Foam. This product will enhance your window installation by not only improving insulation but also by aiding placement of the window during the install!


  • 2 3/4" width and 3/8" thick
  • Added insulation
  • Self-expanding foam
  • Self-sticking
  • Fully compactable
  • Expands to fill the opening gap up to 3/8" on each side
  • Helps with sound prevention
  • Fills around screw area

Available on all Lang Product Lines

Click below to check out all our window and patio door product lines:

Powerweld Windows
Platinum Windows
Rezilience Windows
Renaissance Windows
Ultra Tuff Windows
Glide Patio Doors