Premier Double Z4 - Polished Nickel Threshold Width:30mm If you prefer a square

If you prefer a square edge to your profile

For advice on fitting to a curved edge

stack the MDF strips underneath the Premier Z13 to slightly elevate the bar

flatweaves or sisal to hard flooring such as tiles and laminate

Premier Double Z4 - Polished Nickel Threshold Width:30mm If you prefer a squareThe smart door threshold that joins carpet tiles and sisal Choose from 10 stunning metal finishes The Premier Double Z4 door thresholds are an elegant and secure means to join stick down carpets (such as Flotex), carpet tiles, flatweaves and sisal, in a doorway or across a room. Also suited to joining carpet titles or sisal to a hard floor (up to 4mm thick) by removing one base section (see fitting tips below). The two floors should be level with each