Flex Crown Molding Tricks (how to work with it, how to cut it)
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- čas přidán 9. 07. 2024
- Working with Flex molding can be a huge pain, in this video I’ll show a few tricks we taught ourselves throughout my career with working with Flex Crown.
Be careful, any and all flex can be Very dangerous to work with, and do yourself a favor and make sure you are charging enough to install - it’s extremely labor intensive... good luck - Zábava
I have been fighting Stage 4 Cancer and decided to go back to work trimming . First day back I got thrown to the wolves . Pinched in between plinth shelves on a segment of a barrel vault . Diligently laid out where the bottom of the crown would run . Then took a 23 gauge pin nailer to attach a 1/4" x 1/4" strip of poplar to copy it's length . To transfer to the crown .Put some crown nailing blocks that were perfect . I even spent 15 minutes prior using my math , arctangents , pi and all that nifty math from my days working at NASA . My calculations was about 1/4" different than the copy strip . So that told me the deviation is in drywall. Fine !! Dialed in all the angles where it would lay on the shelf . Calculated to land perfect and even sampled it with short cutoff . Calculated so the cut could be made flat on the saw . Climbed up and start hanging this 9' noodle with the other master carpenter that said it was far beyond his pay grade " Why Me ??" It followed perfectly but came out about an inch short !! . The inch monster didn't get me and for a moment I was boggled .. The drop angles were perfectly parallel . " What Happened ?" .. Did those brain tumors I have flare up ?? . I came home and it dawned on me and looked at the physics of it all . The bedding of the top put the piece under tension and made it contract under force . Thereby shortening it . I was able cut a continuation , glue , nail and sand it to vanish . Now knowing the standard deviation . The next piece I added an inch .. Came out sweet .
Looks great!
Thank you very much!!
Knowing the spring angle of the crown you could use the table saw to cut a quick angled floating auxiliary fence to back up your material so the material doesnt climb with the blade.
I've never worked with flexible molding, but...maybe try taping 2 pieces of cheap 1/4" plyboard 5" W x 5" H on the back of each side of the cutting line, leaving about 1/2" gap in the middle. So you have the stability of the wood but it's shorter/smaller so it won't obstruct the angled edge of the molding. Then you can reuse those wood pieces over and over since you don't cut into them. Love your videos by the way.
thank you so much, i will keep this is mind, its a very smart idea.... thank you for the compliment.
Use a piece of the MDF scrap for a backer
... not a bad idea, but how would you keep the spring angel lined up, seems to me the flex would be sitting on top of the MDF, not nested ?