Forum Title: Brand new replacement windows leak cold air!
We recently replaced all of our leaky Double Hung windows with Renewal by Andersen Double Hung. The installers removed the old sashes and stops and inserted the replacement unit in the hole, and centered the window unit in the opening. I saw them plumb & shim the sides of the window directly behind the pre-drilled screw holes in the jamb. (actually they didn't use the middle screw hole.) The team was being very frugal with the foam insulation between the units frame and rough opening, they only insulated the top and sides, leaving the area between the sill and the bottom of the replacement window totally open. Once they completed the installation; the only thing blocking the air flow underneath is the outside metal flashing and the wooden Stool on the inside. I was very concerned by the incomplete foaming job but they assured me that they HAD to do it that way to prevent condensation. In their own literature it mentions improper installation can occur if the installer does not insulate fully between the window and the rough opening! Now that it is below freezing our house is cold and drafty. Tonight its 32 degrees outside and using my infrared thermometer the walls and frame around the middle of the window is 64 degrees... But the window Stool measures 50 degrees. Some windows are even colder, you can feel a draft, I've even held a lit candle close to the window seams and the flame bent at the draft. QUESTION: Is it ever correct to leave the entire bottom uninsulated?
Category: Windows & Doors Post By: ALLEN GARZA (Maple Grove, MN), 01/20/2019

That sounds frustrating! How wide is the gap between the door and the jamb on the latch side? You can shim behind the hinge plates if you don't need to shift the door very far. You can also look for latches and locksets with a bolt that extends further. The term you're looking for is throw. In this example: Design House 702621 Single Sided Deadbolt with Turn Button Interior, you can see the phrase full 1 throw in the specifications. That's what you need to be checking for.

- FREDERICK LYNCH (Lauderhill, FL), 02/05/2019

I agree with Larry. I spent all summer pulling out newer windows the previous owner installed in my house and insulating them. Made a huge difference. I used low expanding foam all around the windows.

- ESTHER BISHOP (Gilbert, AZ), 02/23/2019

Renewal by Andersen has a reputation for being high quality, though expensive. I would get on the phone with them right away, I think they'll be pretty quick to respond and resolve this for you.

- GENE NUNEZ (Rogers, AR), 02/02/2019

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