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Inzaman's home cinema cellar conversion

Discussion in 'Home Cinema Building DIY' started by inzaman, Nov 26, 2004.

  1. inzaman

    inzaman
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    I currently have the builders in converting my cellar into a home cinema room, they have actually been here the past two weeks but i have been a bit too busy to post the progress.

    I am having the cellar tanked and was going for the Sika system but when i removed the bitumen floor covering that was covering the original brick floor there was a lot of water coming in and the original builder didnt think that the Sika system would be suitable so pulled out of the job.

    I have now gone for the cavity drainage membrane due to the water problem, we have since found out that the water problem was a neighbours broken sewage pipe, which has now been repaired.

    The room is about 11 feet by 11.5 feet with a smaller room next door to this, which will be a store room.

    Here are some pictures of the progress, i will post more as more work is done.
     

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  2. inzaman

    inzaman
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    Original water ingress problem, and dye test confirming next doors sewage pipes.
     

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  3. inzaman

    inzaman
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    Before and after the concrete floor was laid, this was laid just this Monday.

    The wire to the left of the second photo are the 2 x DVIs in the ceiling and 1 x component.
     

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  4. inzaman

    inzaman
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    Picture showing the drainage channels that then lead into the sump/pump. The second picture shows the channels filled back in with cement so as to secure everything, that big black tub in the second photo is the sump which contains the pump.
     

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  5. inzaman

    inzaman
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    As i have also had a new concrete floor which is five inch thick i have about 6ft 3inch of headroom, which is plenty, well for me anyway as i am only 5ft 8.

    I also moved the gas meter into the smaller room along with the consumer unit. The incoming electricity is still in the main room due to various regulations and two months wasted time with ABB trying to get it moved :mad:

    The builders have still yet to complete the membrane and partition/plasterboard the walls. I am also having the old steps taken out, the membrane continuing up the steps and wooden stairs putting in so it is completely sealed down there and more of a 'normal' room feel.
     
  6. digisocialist

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    Inzaman - it will be cool! Similar dimensions to my room (inc headroom!) I was slightly worried my room was going to be too small, but I think it's in the ball park of many. You have the added bonus of that store room... that would be cool to put all the AV kit in (just cable it through) if that's what you want to do. Which wall are you going to project onto or mount your display device to? I presume from the pics it'll be the wall next to the door - it'd be a shame to loose that fireplace arch thingy.. you could make a nice feature out of that.

    Does the membrane go all the way up the walls? I'm sure you've considered how your going to mount kit in there but I'd be careful about mounting onto the stud partitions and if you have doubts about their strength look at how drilling anchors into the brick might affect the membrane.

    Looks like it will be a great room. :)
     
  7. brendank

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    hi there

    kudos to you on embarking on such a project :thumbsup:

    i was curious about the cavity drainage membrane syatem you are using is this simply the dimpled plastic sheeting i see in the pics? how exactly does it work is their a way of redirecting the water to outside drain? is this expensive? does it require specialist installation?

    also interested in learning more about the silka system for tanking you mentioned

    i have a basement extension currently on the drawing boards b4 submitting planning application and obviously i need to swot up on this stuff

    brendan :)
     
  8. inzaman

    inzaman
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    Digisocialist the only thing that will be mounted on the walls is some shelving for dvds, which i will use no nails, these will be mounted in the old fire recess which i have kept. This is not in the pictures above but i will take another picture to show how this will look, i have tried to keep this because as you say it is a nice feature.

    The projector will be ceiling mounted and i have a separate power point for which will be in the ceiling once the builders are finishing off. I decided on a store room in the end because, i wanted to have a kind of separate room in a room if you know what i mean for soundproofing as we only have neighbours on the side of the store room side, and we need some storage as the cellar will be a cinema room.
     
  9. inzaman

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    As for the cavity drainage membrane it is quite an ingenius system (so long as it works) as it actually manages the water ingress as opposed to trying to hold it back, it is therefore not under any water pressure.

    The membrane does go all the way to the ceiling and apparently it allows the water to come in through the floor and walls which collects in drainage that has been laid around the perimeter of the room (now under the cement) this via gravity then finds its way to the sump where it collects until there is enough of it to be pumped out to the outside. I will take some more pictures of the sump in the ground.

    As for cost it is far more expensive than the cementous slurry or sika systems as the actual materials are very expensive, i think the sump and pump alone are about £700 to £1000 depending on whether it has a battery back up or not. Then there is special tapes, special ropes, special this and that etc.
    For more reading i used the safeguard web site which has an oldroyd x system and a lot of pdf info this is not the one i am using but the same method is being applied.
     
  10. moviemike

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    Hey, hey, hey! At long last you've started - you must be excited! Its looking good too! Looks like they're doing a very thorough job down there! You cellar is so similar to mine! I'm sure you're not going to have any problems down there in terms of size. I'm sure it'll be just fine. When do you plan to have it all finished? And have you sorted out all your kit yet?
     
  11. thfccambs

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    Looks good keep the pictures coming,good luck.
     
  12. Jamiroquai78

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    :smashin: Cool thread

    There are a few of you cellar conversion guys out there currently and they are looking really good.

    I am 'garage conversion' myself and am looking for an Xmas deadline :eek:

    Its really nice seeing everyone elses work as it keeps me going when its all going b :censored: s up.

    keep the pikkies coming

    Jam
     
  13. inzaman

    inzaman
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    Mike, i hope that the builders will be finished some time next week. They would have been finished this week but i am now having the stairs done so it will take a bit longer.

    I already have most of my kit, it has been set up in the dining room the last year, the only thing i really need is some proper rear speakers oh yeah and a beer fridge :D
     
  14. inzaman

    inzaman
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    Here are some more pictures after the builders have been in today, the first is the sump/pump now placed in the ground, the others are of the arch part of the cellar. I will put shelving in this arch so i can store my dvds.
     

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  15. digisocialist

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    Just wait until you have had it plasterer in and walls skimmed... oh, it will be truly sexy.

    A traditional fireplace arch to be used as a DVD storage area I think distinguishes you as a serious connoisseur of the multimedia generation.. like a man with a cellar full of fine clarets, you can now host dinner parties and invite your guests to sample something from your vintage film collection!
     
  16. Docta teef

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    Im going through the same process at the min membrane plus pump. Ive been running cables and fixing back boxes like a fool for the past couple of weeks but should have the walls plastered by the weekend and will place some pics when i can get round to it.
     
  17. inzaman

    inzaman
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    Docta Teef, is your cellar going to be a cinema room as well?

    No more pictures to post yet as the last few days have been very slow progress as the builder is awaiting more membrane parts.
     
  18. moviemike

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    What's your builder doing with your staircase? Mine said there was no need to anything except fix some ply to the treads to even them out and give the carpet grippers something to bite into since... the reason for this being that the steps were higher than the cellar floor level and that the steps weren't against and external wall.

    Anyhow, to cut a long story short the bottom step was (and still is) a bit damp and the stuff he's used to fix the ply to the tread didn't bond and I've got carpet fitters coming in early next week!
     
  19. Docta teef

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    Cinema sorry i thought this was an S n M site the plan was to tie the other half down there get a few whips and chains. Then i thought who will do the cooking so had to go with the cinema idea. What im having converted is an 18 by 12 room for films a 12 by 5 stair well and a 12 by 12 room. The 12 by 12 room was to be my games room however as 3 days before the work started we found out we had a kid on the way it may not be my toy room.
     
  20. inzaman

    inzaman
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    The last owners put garden slab steps on each of the old brick steps so he is taking all of those up, to get to the original brick steps then running the membrane over those brick steps all the way to the top and then building a wooden staircase over that.

    With the membrane system it is possible as there are plug things you drive into the wall that seal against the membrane, these then hold a screw in the centre.

    Well that is still my plan, then when she is tied down there i can get some peace and quiet :D Just joking Lins if you ever read this.
     
  21. inzaman

    inzaman
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    Just a few more, the ceiling has now been skimmed and the walls are ready to be skimmed, the store room is also now being plasterboarded.
     

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  22. inzaman

    inzaman
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    Gaining a bit of momentum now, the walls in the main room have now been skimmed.
     

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  23. Docta teef

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    I would say you are about a week ahead of me. What have you done Re speaker/video cable ect ive spent the better part of my spare time the last 3.5 weeks running cable here there and everywhere behind the walls.
     
  24. moviemike

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    Its coming along well - quickly catching up with me! :)

    Plastering looks good!

    Just put my down the skirting boards this weekend...
     
  25. digisocialist

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    The collective effort could indeed put the multiplexes to shame.. quickly on my heels too. Ive Just painted and done skirting boards on all walls except one (will update my thread tomorrow).

    Looks like you're ready for some lighting Inzaman (unless I'm mistaken).. get some halogens in there - you'd be amazed at how quickly your plaster can dry out with 10 50W light bulbs!
     
  26. inzaman

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    I am awaiting the electrician to come and do his final fix, he also needs to connect the pump. The wiring is all in above the ceiling for 9 spot lights controlled via two dimmer switches, he just needs to put them in.

    I am very pleased with the plastering, the walls are now very smooth and straight, infact the straightest in the house, with it being over 100 years old.
     
  27. digisocialist

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    Inzaman - Yes, our enthusiasm makes us go to extraordinary lengths! I live in a Grade II listed cotage c1812, lot's of wonky oak beams, bits of stone sticking out of the walls and 45 degree slopes... (could quite easily be converted into a fun house). But, the HC room actually has some 90 degree angles in it and a flat wall!

    With two dimmers to boot, I'm excited to learn what you have up your sleeve... I can sense some clever mood setting coming on with that amount of control. :)
     
  28. inzaman

    inzaman
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    The mood lighting is what i am trying to acheive (it will be simple), if the electrician has listened to what i have said. I was going to go for the Graphic Eye but cost contraints and all that especially as i was originally going for the cementous slurry but have had to go the sump/pump route which has really eaten into my budget.

    I dont think i have any 45 degree angles in the house, not far off but not quite there but it is not nearly 200 years old, that is some age. As you have had your cellar converted i bet that is the dryest room in the house isnt it?

    The builders were having problems getting the ceiling straight due to the joists being slightly out so have had to do the best as i didnt want to lose anymore ceiling height. The have also had to put a false wall in due to one of the cellar walls sticking out at the bottom, this lost me about 6inch in the depth but i had/have enough room to take that loss.

    I have also put the projector wires in the ceiling but have not covered the floor ends up, these have been exposed to all sorts of materials and water so i just hope they still work.
     
  29. digisocialist

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    Uncanny. I too had to put a stud wall up against one of the cellar walls because it sloped out at the bottom - I used 2x4 (I think) at the top and 2x2 at mid way which effectively then levelled up the slope sufficiently to get a true level wall. It was a nightmare though, lot's of cutting to get it against the wonky wall.

    Have you run in DVI, Component? I'd be ineterested to know as I have just run Component to the PJ and am a bit worried I should have done DVI. I made sure all the ends of my cables were covered in plastic bags when I chased them... I was worried about damaging the connectors. That said, the house is a haven for mice!! We live in the middle of a farmers field and the little devils come for lunch daily... if they've eaten through my Mark Grant Component or S-Vid cable, it's NO to Rentokill, I'll simply Nuke the F***ers (as much as I quite like them).

    I think you're probably right, in that the cellar is the dryest room. All other rooms have mullion windows (it's an old weavers cottage) and the stone is porous as hell so heavy rain just comes in around the windows in the rooms...
     
  30. inzaman

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    For video cables i have run two sets of DVI cables, on the assumption that the next gen consoles will be DVI or DVI compatible, and one set of component for my current console. These are embedded in the ceiling joists. I currently use DVI with my hcpc, i was going to also get a HDMI but you can get adaptors from DVI to HDMI so that was not as critical.

    As for speaker cables i will run these behind the skirting boards, the amp however is going to be quite close to the front soundstage so the fronts are not too bad. For the rears if i dont run these behind the skirting then i will just use some QED ultra flat stuff that i have and run it under the carpet.
     

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