Installing trim before the carpet is a good idea for a couple of important reasons.
Install door casing before carpet.
Part of the series.
I ll assume you re installing a door and jamb if you aren t installing a jamb i d hold off on the door until the carpet is installed so it s not in the way.
My advise install the trim and doors first and stress to the carpet installers to be as careful as possible.
But for me as a diyer it was easier to do the base after the carpet and that way no gaps.
If it has a threshold you ll have to install it before the carpet.
Door window maintenance.
At this point the only other difference with installing a pre hung door for a room that will be carpeted is that i keep the shims and the nails close to the floor on both sides.
You can also put a strip of 2 inch delicate work painter s tape on your trim before the carpet goes down.
I did doors before carbet i m with ed 1 2 off the floor but i did all the finish trim after carpet set the base and door casings gently on the carpet don t push it tight.
You ll still need to protect your carpet during this step and you can avoid the entire process by just painting the baseboards after they re on the wall.
Leave about a half inch at the bottom of the trim uncovered.
The install went great but it took me extra prep time and i m not sure i d do it again.
If you re installing the jamb i would do it before the carpet so the jamb can rest on the ground.
I ve seen people reccomend both ways.
Install trim before the.
Honestly its more work to scribe the jambs in my opinion you basically have to set the door twice the other consideration is do you want to install the hardwood without shoe moulding.
Before carpet when installing baseboard before carpet the easiest thing to do is to install it even with the bottom edge of the drywall as previously described.
Even if you think you can avoid ruining your carpet by painting the trim before installation.
Keep in mind that you ll still need to come in and touch the paint job up after installation.
How to install trim before the carpet.