Gypcrete 2000 Data Sheet
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How Do I Level My Sub Floor? Page 2
a). First set your leveling devise to lock in on the height you found so that when it is even it will represent 0 point.
b). Now if your going to pour a leveling compound or any other method you will need to account for the minimum thickness the product can be. If your going over concrete you will most likely use a cement type option including mud job or pourable leveling compound. If your going over wood you can include the carpenter option as well. When going over wood with leveling compound you will need to allow for 3/4" of material over the high point. If going over concrete some materials will allow you to start at a feather edge for short distances and 1/2" minimum over the remaining areas. Mud job will require 1.5" minimum.
c). Now that you have decided on which material to use you will add the minmum thickness to the top of your high point.
d). Next lock in your leveling device to your new high point.
e). Then with your marker write the measurement or differance from the high point in a three foot grid pattern. You can now read all your measurements and decide if you need to change your leveling strategy due to the deep sections. If you need to drop down sections, you can drop the floor a maximum of 1/8" every 3 feet in each direction without noticing the change.
f). Since you have decided whether to make the floor dead level or to to pitch it down, you will now start setting leveling pegs. Note: If you are installing sleepers your carpenter will shim the floor under the sleepers instead of setting pegs. Note: If you are installing a damp mud install you will need to install felt paper and wire lathe prior to this step.
g). There are three types of leveling pegs you can use. Nivicomp pre made plastic tabs/LEVELROCK plastic tabs with two sided tape. You may use nails or screws. The third option is to use wood, if you use wood you will take round wood closet rod and cut it to the height you marked down in each three foot section then glue it down with liquid nails. If you use nails or screws you will set them into the wood sub floor to the finished height of you marks. Over concrete you will have to drill first and set tapcons if you wish to use screws. If you know where to purchase Nivicomp Leveling Pegs you will need to convert your inch's into mm's using the formula 1" = 25.4 mm. Then take a pair of wire cuters an cut the tabs at the correct number then stick them to the surface in your three foot grid pattern.
4. Setting pins or pegs to the height to level the floor. Now that you found and marked your high point, you will now mark the rest of the floor with a marker so you can see what your dealing with.
4. Now that your floor has been pinned you may now make any necessary changes. If you have no more changes needed then you may now begin leveling your floor following the directions from the manufacturer on any additional required prep, Such as Cleaning, Priming, Reinforcing or with some store bought products you may need to install blue stone over a certain depth. Next you will need to bring all these products into the area you will be mixing in. You will also need a water supply, so run a hose and use a new garbage can to hold the water temporarily. Then you will need a mixing device such as a batch mixer or another garbage can with a 1/2" drill and mortar mixing wond. Finally you will need a finishing device. We make our own so ask the manufacturer of the product. A word of caution be prepared to finish what you start, most pourable leveling products don't respond well to slow installation and can flash or prematurely harden causing you to repair all your hard work.
If this is something that is right up your alley then enjoy yourself and have fun!
If you would prefer to have a professional install the work for you please call or email David Melnick

CMP Specialty Cement
Self Leveling Applicator

Contact: Sales@poured-floors.com or Phone: (800) 517-9791
Fax: (631) 517-9191