Not sure which Carpet Shim you should be installing? See Choosing The Right Carpet Shims
Installing Carpet Shims up to ½" thick:
Determine the width of the opening. On the rough side of the Carpet Shim, using a carpet knife, score the shim three or four times at the needed length and snap it. Place the shim in the opening with the smooth side up and the high side toward the hard surface, leaving a *¼" gap between the shim and the hard surface. Centered and evenly spaced, nail at least 5 ring shank nails per 32” of Carpet Shim. Place a Universal Side Shim at each side of the Carpet Shim and nail all four corners securely to the floor. Install the tack strip on top of the Carpet Shim maintaining the *¼" gap. Install your pad and carpet, tucking the carpet into the ¼" gap. It is that simple!
*Regarding the ¼" gap, when extremely thick or thin carpet is being installed, adjust the gap accordingly. Also refer to hard surface manufacturer's recommendations.
Carpet Shims’ products may be attached to the floor using a good adhesive.
Installing Carpet Shims over ½" thick:
All instructions above apply with the exception of cutting the 5/8" Extend-A-Shim and the 1" SUPER SHIM. A saw will be required to cut these products.
