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Oak casing to a vinyl jamb extension on a new window?

12K views 13 replies 7 participants last post by  rtoni 
#1 · (Edited)
Oak casing to a vinyl extension jamb on a new window?

What's the preferred method of attaching oak casing to a vinyl extension jamb? New construction vinyl window has a factory applied extension jamb to accomodate a 2x6 wall. I've done wood to wood but never wood to vinyl.

Thanks,
Dustin
 
#3 ·
They are out there. I have some total vinyl new construction windows in my home. I've seen extension jambs on some made with a real dense foam core that you could nail into. I think some are just hollow channels. you really need to look in the manufacturer's install instructions. Some require gluing. I saw one that only accepted trim screws. There is even a company out there that only accepts their own factory supplied casing, which is available, as an option, for additional money. :huh:
 
#5 ·
Resurrecting this thread as I'm soon to be doing casing / trim on windows with factory installed composite jamb extensions. I've emailed the mfg for feedback but meanwhile wondering if anyone here has any current experience with this.

I'm open to using anything (pine, mdf, etc.) for the casing. Just not sure if i should glue, nail, etc....

thanks
 
#7 ·
as Dustball mentioned in the older thread, it's a special order - I could have built the extensions myself or have the factory do it - they use a composite instead of wood.

what I'm really asking is if I can pop a small (brad?) nail into the edge of the composite material without damaging it. Still waiting for feedback from mfg but I'm sure someone out there has done this...?
 
#10 ·
not sure if I'll use oak - more likely pine - maybe even finger jointed since I plan to paint it anyway. This isn't a high end finish or anything - just want it to be neat and clean - I'm mostly worried about blowing the composite apart as I've never worked with composite material. Wish I had a couple of scrap pieces I could play around with - shoot a few brad nails into, etc just to get a feel for it. Pre-drill sounds like it might be safer I suppose...
 
#12 ·
Mike - that sounds like an option too. Forgive me if I'm over-complicating this but it's been a ton of work (windows) and I hate to have it look sloppy on the final details. Now that you mention it, what's the harm in trying that first for sure. Acrylic or silicone or any certain type of caulking...?
 
#13 ·
RT,
I usually use the siliconized acrylics. They are latex based so you can sponge them off to keep nice neat joints. One thing that helps is not to cut a big hole in the end of the tube, assuming your molding hits on the jamb extension pretty close and doesn't have any wide gaps.
Mike Hawkins:)
 
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