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Old 10-03-2007, 09:09 AM   #1
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Installing baseboard trim

Hi, and Thanks to all. I am looking for tips on installing baseboard trim, got like 400ft to install. Like miter cuts, what cuts to use when a seam has to be done (two pieces being joined together)? Thanks
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Old 10-03-2007, 11:44 AM   #2
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Question #1: will it be painted or stained? If painted, a lot of things can be covered up with caulk.

1. On long walls, where two pieces meet, use a scarf joint. Bevel both pieces so they slightly overlap. The overlap should face away from the most common viewing angle.

2. Never assume corners to be square. There is almost always a mud buildup in corners.

3. Cope inside corners. With a coping saw and a pair of files, it is not as hard as it might seem. A trick I like is to stop the cope cut about 1/8" from top of molding, and make a 1/8" deep miter notch on the piece it is coped to. This prevents an easily breakable thin point on the coped piece. Backbevel the cope slightly to ensure tighter fit.

4. Work around the room, try to avoid copes on both ends of a piece or cope and outside miter. If you need to have some like that, better make the longer ones that way, make them slightly long and spring in place.

5. Miter outsides. A good idea to backbevel the miter for a better closure.

6. For fastening trim that is to be stained, it's hard to beat a 23gauge pinner.
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Old 10-05-2007, 01:20 AM   #3
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I like to bevel pieces for scarf joints at 22.5. Clicks nicely in most miter saws while your jumping from 0 to 45. Its a good idea not to nail in the last few studs on the piece your working on til you have next piece so you can play with the joint a bit and make it line up nicely.

Whenever running baseboard i like to make little template pieces for outside corners(if you have many) pieces cut at 44, 45, & 46 degrees and label these so when you get to a corner u can just pull em out and find the best angle. I find it saves alotta time.
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Old 10-05-2007, 05:24 AM   #4
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Those are all very good tips that we apply on each of our BB installs.
- Build Well -
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Old 10-05-2007, 09:16 AM   #5
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If you dont already have one, a pneumatic trim nailer will make quick work of it, plus there won't be any damage from using a hammer.
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Old 04-03-2017, 10:58 PM   #6
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Re: Installing baseboard trim

Hey there. I'm a professional finish carpenter, and spent about 3 years doing almost nothing but the base trim. Thank heavens I've graduated onto the good stuff . But I recently started doing how-to videos. Here's the one I did on baseboard. Good luck!
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Old 04-06-2017, 10:44 PM   #7
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Re: Installing baseboard trim

Search the videos for scarf joints. You can joint the long walls, ends square and loose from the wall, then coping the next piece. Scarf joint can open or close as wood moves, but better to leave it as is than trying to fill it.
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Old 04-07-2017, 06:45 AM   #8
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Re: Installing baseboard trim

for doing scarft joints i tend to use 33.5 degrees which is a set stop angle on all dual bevel saws, as its commonly used for cutting crown on the flat... anyhow it provides a larger gluing surface than 22.5 while not being as long a angle which is more prone to shrinking if using real wood.

the other thing is, one of hte biggest mistakes i see less experienced installers make is installing the closed mitre pc of baseboard first. meaning the long point pc.... it makes fitting the 2nd pc much much harder to do, in certain situations it can near impossible to even get in place depending on how long it is and what the opposite end has to die into.

if your coping your inside corners its best to situate the coped joint so that your not looking directly into the joint when you walk into the room,, start at the back wall and work your way towards the door

also start with your longest pcs first that way as you, start getting into shorter pcs, you begin to use offcuts instead of cutting up full lengths.. not doing so can mean you run out of full lengths for when you need them
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Old 04-13-2017, 10:22 PM   #9
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Re: Installing baseboard trim

buy a contour and angle.

Last edited by r1racer; 04-13-2017 at 10:34 PM.
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