We used to do it the same way we tape drywall, by applying five pounds of body filler and then sanding off 4-9/10 lbs. Then we went to “boot camp” at 3M and learned there's an easier way (as ...

But do you know that there is a "proper" way to fill those pesky problem cracks? While the word "proper" may be a stretch here, filling the seams quickly, and doing less sanding to boot ...