JAS Timber

Simple Guide to Door Architraves

Hardwood mouldings have a wide variety of uses, one of which is for the creation of attractive door architraves. JAS Timber is an expert supplier of these components and, in this edition of our blog, we present a step-by-step guinde on how to use them to fit stunning architraves to any door in a property.

  1. Prepare the area by making sure that all surfaces are clean and sound. 
  2. Marking the reveal. Once the moulding is attached, around 1cm of frame will be left visible. This area is referred to as the 'reveal'. Decide first how big you want the reveal to be. Measure and mark this distance from the frame's edge in a few different places. These places MUST include on the door's two upper corners.
  3. Marking the mitres. Take the first piece of moulding and position it against the reveal marks you made previously. At the bottom, be sure to leave enough space for flooring. Mark on both side pieces where the architrave's inside corner should be.
  4. Cutting the mitres. From where you have marked the inside corners, cut each piece of moulding at a 45-degree angle. Accuracy is essential so it's best to use either a mitre saw or a hand saw with a mitre box.  
  5. Fitting the side pieces. Once they have been correctly cut, the side pieces should be attached using a row of nails at equal spacings (you can also use adhesive but this will make removal difficult in the future). Make sure that you have lined up the inside edge of the architraves with the previously-made reveal marks.
  6. Cutting the head piece. Take the piece of moulding you intend to use as the top architrave and cut one end at an angle of 45 degrees. Hold the piece upside-down between the side pieces' outer-edge points. Mark the position where the outside corner of the second mitre will be. Cut the other side of the head piece at the same angle.
  7. Fitting the head piece. Line the piece up with the reveal marks and fix into place with three finishing nails, one at the centre and the others at either side. Drive in the nails from the side or above to make sure the corners are secure. 
  8. Use a nail punch to knock all nail head underneath the surface of the architrave. File with caulk and allow to dry. The architrave can then be sanded, primed and painted. 

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