Quote:
Originally Posted by look 171
Three 4" butt hinges. It will do the trick. Get ball bearing hinges if you really like, but totally overkill. I have them through out my house because I am intense.
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Richard, you don't say what thickness the door is. At 1 3/4, look's suggestion is correct. If 1 3/8ths, a 4" hinge needs to occupy the entire edge of the door rather than the typical setback of 1/4". This will put the screws in the strongest place.
A 4" butt hinge has 4 screws per leaf whereas the 3.5" ones have 3 screws per. You can always use longer screws. A common plated construction screw has the perfect head size for a 3.5 hinge. A little small for the 4".
You don't 'have' to mortise the hinges, it's just the nicer way to do it. If you don't, they will take up that 1/4" gap you have and you may actually have to plane off the leading edge of the door. Having 1/4 inch to play with and mortising the hinges to the depth of their thickness should put you on the money with 1/8th at the lock side. Perfect.
Hinges come in various leaf thicknesses, so look them over and buy some that look stout and they will be. I'd use a pair and a half or
3 (that's how they are sold at the professional level, not loose like the HD).
7" down from the top of the door and 58" center to center from the top to the bottom hinge and center the middle one. This is the conventional hinge layout used by all pro door hangers. That's actually 58 1/2 on the Templaco door hinge jig used by thousands of carpenters.
BTW, since you are going to the trouble of using a SC door, do buy weatherstripping to complete the soundproofing. That should include a door sweep as well.