CertainTeed double hung window felt

Question

Please advise which part number the window felt is, please. And are they all the same size on a window. A noticed some staples in a few of them. Do i need to staple them in as well? Thanks

User submitted photo of their weatherseal.

Paul · Accepted Answer

Start by looking at our 58-127. This is popularly used in CertainTeed windows. Just make sure that the dimensions are the same, that's very important. As for installation, this kind of wool pile should just slide in a slot. No stapling should be necessary.