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    securing plexi to mdf questions

    So im thinking of making a box with a plexi glass window, my question is-how should I go about securing the plexi to the mdf?? The window won't be very big at all, about 12x12ish, maybe smaller. Would simple clear silicone sealant work? My plans are to make the back of my box have a window, then attach the plexi to the back therefore covering the window, then screw/glue the back mdf piece (with plexi) to the rest of the mdf box, I hope that explains it well enough, lol. Thanks in advance!



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    Re: securing plexi to mdf questions

    pan head screws w/ washers every few inches and some silicone...use at least 3/8" or 1/2" plexi.



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    Re: securing plexi to mdf questions

    Yeah I planned on using 3/4" plexi-what exactly are pan head screws? I can't just glue it to the mdf?



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    Re: securing plexi to mdf questions

    I have always been told to use lexan rather than plexi. Lexan isn't as flexi as plexi. Where 3/4" plexi is used- 1/2" lexan can be used in it's place.




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    Re: securing plexi to mdf questions




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    Re: securing plexi to mdf questions

    Quote Originally Posted by bumpnzx3 View Post
    flexi as plexi
    awwww, that's so cwute.



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    Re: securing plexi to mdf questions

    lol



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    Re: securing plexi to mdf questions

    bump, is estreet good stuff?



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    Re: securing plexi to mdf questions

    I recommend using Lexan for the enclosure...
    it is stronger and drills with a regular drill bit
    with out cracking and it is crystal clear.....

    this link shows how I attach MDF and Lexan.....
    http://www.rockfordfosgate.com/forum...TOPIC_ID=26736



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    Re: securing plexi to mdf questions

    Prob with Lexan is that if you scratch it it's trash. You can buff out scratches in plex (acrylic). Acrylic is not brittle like polycarb is and it also drills just fine with a normal drill bit.



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    Re: securing plexi to mdf questions

    No you cant just glue it..

    You need to drill and screw down. But be careful, it can be cracked easily and if you drill to fast, it heats up...




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    Re: securing plexi to mdf questions

    Quote Originally Posted by traksta15 View Post
    ...exactly are pan head screws?
    (self tapping) panhead screw--->



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    Re: securing plexi to mdf questions

    what length do you guys recommend?



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    Re: securing plexi to mdf questions

    Quote Originally Posted by bumpnzx3 View Post
    I have always been told to use lexan rather than plexi. Lexan isn't as flexi as plexi. Where 3/4" plexi is used- 1/2" lexan can be used in it's place.
    Quote Originally Posted by THUMPPER View Post
    I recommend using Lexan for the enclosure...
    it is stronger and drills with a regular drill bit
    with out cracking and it is crystal clear.....
    I agree

    lexan can be picked up at an lowes or Home depot. It really is drill friendly.

    As far as attaching it, the cleanest way would be with the aformentioned screws. I'd also reccomend a rubber or dense foam seal around the edges. This will keep the enclosure air tight and also act as a spring lock washer to keep the screws from backing out.



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    Re: securing plexi to mdf questions

    Quote Originally Posted by Traksta15
    what length do you guys recommend?
    long enough to hold, short enough to not go through the to the other side of the wood....1"...1 1/4"...since your going with 3/4" plexi/lexon.



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    **R = sq.rt. A / Pi (for square/slot port)

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