How to Cut and Install a Sill Extender for Vinyl Replacement Windows

[@jodigrabauskas9688]

Where to buy that

[@realhouseDIY]

It should be available from the same place you order the replacement windows from. They are made to fit the accessory groove for the specific window brand. May also be called sill trim or sill angle. If you can't find it, then I would caulk or glue in flat PVC trim to fill the gap.

[@danm396]

Can you share a link of where to purchase?

[@realhouseDIY]

@@danm396 this part comes standard with the Provia replacement windows (and similar for some other replacement vinyl windows). You could special order from a local window and door supplier.

[@brandonyoung7760]

I bought some Performax windows from Menards. I have a big gap too but mine didn't come with these extenders and I can't find any for these windows.

[@realhouseDIY]

@@brandonyoung7760 do they have a channel at the bottom of the window to add something?

[@brandonyoung7760]

@@realhouseDIY looking at it now it doesn't look like it

[@realhouseDIY]

@@brandonyoung7760 if they are white vinyl windows, I would probably buy some thin vinyl trim to fit and use the white PVC cement to attach along the bottom of the window.