I always wanted a home theater but unfortunately the house we purchased doesn’t have a basement nor does it have a bonus room that could be converted to one but it has two split garages, so I decided to convert one of them to a home theater. Now that I’m getting close to finishing the most important part of the project, i.e. throwing junk out of the garage and organizing the other one to store the rest of the stuff, it is time for me to start a thread and ask this awesome group of people for some advice.
Here is a plan to give you an idea of the space I’ve got:Here are the principles I’m going to follow during my project:
1)I don’t have a budget but I’m not going to go all out since none of the cost will be recouped if we decide to sell the house. I’ll try to do most of the work myself and sub-contract some tasks when needed.
2)Due to the limited room length I’m planning on going with one row. I’ll figure out what I’m going to use for seating later on.
3)I want a comfortable space (AC/heated) to enjoy the movies. Since I have attic above the garage I’m thinking about going with ducted mini-split system to reduce the noise and improve the appearance (i.e. no on wall unit).
4)Sound proofing is important. I don’t want to disturb my family and my neighbors.
I’m going to remove the existing drywall, add R-13 insulation and DW-GG-DW on all walls and ceiling (R-19 on ceiling). Since I have two window I’ll have to come up with some sort of window plugs that I can use to cover them and use decorative curtains to hide them.
5)I’m going to keep the garage door as is but I’m going to wall it off.
6)The garage has a sloped floor so I’m going to build a subfloor to even it off.
7)I want the biggest screen I can fit. I’m thinking about going with AT 137” 16:9 screen and use manual masking for 2.35:1 movies. Here is what I’m thinking:
8)I’m going to house the equipment in hidden DIY rack under the screen.I’m planning on doing the project in 5 sprints:
Sprint #1 – framing the wall and building sub-floor
Sprint #2 – electrical, speaker wire conduits, cooling/heating
Sprint #3 – DD/GG/DD, paint, sound treatments, screen wall
Sprint #4 – carpet, equipment installation
Sprint #5 – enjoy my new spaceNow the questions for Sprint #1:
1)Since I’m keeping the existing garage door and building a wall behind it I was wondering what I should do to seal it off to prevent moisture from getting behind it. Would caulking the perimeter be enough or should I also attach something else on the inside (plastic sheet?). Should I leave a bit of space behind the wall and let it vent to the attic to help with the moisture control?
2)To build the subfloor I’m thinking about using 2x10 spaced every 24 inches on the center to build the floor joists. Since the floor is sloped I was going to attach 2x10 on each end and in the middle of 2x10 like poles cut under the angle matching the floor’s slope to keep the joists even.
Something like this:
Does anybody see any issues with this approach?
3)Do I need to add a vapor barrier (overlapping plastic sheeting) or should I seal the floor with garage floor paint (something like this http://www.lowes.com/ProductDisplay?partNumber=16264-2174-940001&langId=-1&storeId=10151&productId=3467977&catalogId=10051&cmRelshp=req&rel=nofollow&cId=PDIO1