Anyone giving their home a DIY facelift with a little painting and decorating may well decide to replace old, tatty interior doors before they start. Fitting new interior doors in a property development project will, of course, be inevitable, the more you can do yourself, the more you’ll save on contractors’ fees. If you get it wrong, though, it’ll look terrible, so here are some hints, which should work a treat.
Place the new door against the frame to measure the fit; it should be 2mm less than the frame, all the way around. Mark the overlap with a pencil and cut the excess off, but remember to keep any pattern on the door, you must cut equally from top and bottom and both sides. When you have finished sawing, smooth the edges with a plain.
If you’re using existing frames, align the door at an angle, in the opening and mark the tops and bottoms of the hinge recesses on it. When fitting new hinges, make sure you position them between 125.5mm and 150mm from the top and 175mm to 230mm from the bottom of the door. Again, mark the tops and bottoms, before carefully chiselling out the marked-off area on the side of the door. Fit the hinges to the door, drill pilot holes to stop the wood from splitting and make sure they’re flush.
Support the door in position and fix the hinges to the frame, placing one screw at the top of each hinge to begin with. Check that the door closes and opens easily, if it doesn’t, remove the screws and reposition the hinge in the frame. Fix all the remaining screws to the hinges and the job is complete.



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