How to Put Up an Architrave

By Kim
Last updated 20th April 2021 - Reading time: 6 mins

We've created a step-by-step guide that's easy to follow, so you can learn how to put up architrave correctly. Check it out below!

How to put up architrave

What Tools Do I Need to Install an Architrave?

Here is a list of the tools that you will need for an architrave fitting:

  • Pipe and cable detector
  • Tape measure
  • Pencil
  • Long spirit level
  • Mitre box
  • Work bench
  • Fine tooth saw
  • Fine sandpaper
  • Hammer
  • Block plane
  • Paintbrush
  • Nail punch
  • Filling knife

What Safety Equipment Do I Need to Fit an Architrave?

Below is a list of the recommended safety equipment when fitting architrave:

  • Safety goggles
  • Protective gloves

What Materials Do I Need to Install an Architrave?

Below is a list of the materials that you will need for an architrave installation:

  • Architrave
  • Grab adhesive
  • Sealant gun
  • 40mm lost head nails
  • PVA adhesive
  • Filler

How to Prepare for an Architrave Installation

To prepare for installing your architrave, you should run a pipe and cable detector along all of the edges of the door to ensure that there are no hidden pipes or cables behind the wall where you are about to work.

How to Put Up an Architrave Yourself

Below is a step by step guide on how to install an architrave around a door:

Step 1

Use a tape measure to draw marks 6mm from the edge of the door casing. Do this down both sides and across the top. Join the marks using a spirit level or straight edge. This will give you three lines to which the architrave will be aligned to.

how to put up architrave step 1

Step 2

Then, measure the line across the top of the door. Mark the length onto the architrave's inner edge but make sure you leave room at either end to allow for the mitre cuts.

how to put up architrave step 2

Step 3

You should then mark the intended direction of the mitre cuts onto the architrave.

how to put up architrave step 3

Step 4

Secure the mitre box onto your work bench and then lay the architrave on it with the flat side facing down.

how to put up architrave step 4

Step 5

Use your saw to make the two 45 degree mitre cuts. Once you've made the cuts, lightly sand the edges until they're smooth.

how to put up architrave step 5

Step 6

Use your saw to make the two 45 degree mitre cuts. Once you've made the cuts, lightly sand the edges until they're smooth.

how to put up architrave step 6

Step 7

Then, carefully fix the headpiece into position along the 6mm line above the door. Ensure that the mitred corners are in line with the corners on your markings.

how to put up architrave step 7

Step 8

To hold the architrave into position while the adhesive dries, you should hammer four evenly spaced 40mm lost head nails into architrave and the casing of the wooden door.

how to put up architrave step 8

Step 9

Now it's time to prepare the side pieces. Use your tape measure to measure the length from the floor to the bottom of the headpiece. Mark this distance onto the two sections of your architrave that will be your side pieces.

how to put up architrave step 9

Step 10

Mark out the intended direction of the mitre cuts onto both pieces. Keep in mind that one end on each piece will need to be cut square so that it can sit flat on the floor.

how to put up architrave step 10

Step 11

Use your saw to create the mitre cuts on each side and sand them down so that they are smooth.

how to put up architrave step 11

Step 12

Hold the mitre joints in position to ensure that they fit neatly and make small adjustments with a block plane if needed.

how to put up architrave step 12

Step 13

Apply PVA glue to one end of the headpiece where the mitre cut is and add adhesive to the appropriate side piece.

how to put up architrave step 13

Step 14

Then, put the side piece into the correct position and hold it in place with six 40mm lost head nails. Repeat the above step to fix the other side section into place.

how to put up architrave step 14

Step 15

Finally, use a hammer and nail punch to sink all the nails to just below the surface.

how to put up architrave step 15

Step 16

If you plan to paint the architrave, it is best to fill and sand down the nail holes before painting.

how to put up architrave step 16

FAQs

How do you remove architrave?

Below is a simple step by step guide on how to remove architrave:
  1. Run a Stanley knife or a sharp blade along the edge of the architrave to create a small gap between the architrave and the wall.
  2. Use a chisel to tap into the side of the architrave and loosen it away from the wall.
  3. Gently pull the architrave away from the wall using the chisel until it is all completely off.

How do you fit an architrave around a loft hatch?

Architrave can be fitted around a loft hatch in the same way as a door architrave. You will need to measure out the loft hatch so that you can cut your architrave pieces to the correct size before fitting them.

What is an architrave?

It is in interior moulding which is fitted around a door frame, window, or loft hatch. It acts as a cover to hide messy joints or rough surfaces that exist at the joint. The architrave is usually placed right in the joint between the door, window, or loft hatch, and the wall, ceiling, or floor.

What is the difference between architraves and skirting boards?

Architraves are used around the edges of openings such as windows and doors whereas skirting boards are used to cover the joint where the bottom of a wall meets the floor.

Can you paint architrave?

Yes, you can paint over architrave. It is usually made of softwood or some form of MDF. You should check the manufacturer's instructions as you may need to prime the architrave before it can be painted for the best results.

Sources

https://www.youtube.com/watch?v=71qrueS_1x4
https://wood-create.com/2019/11/08/how-to-replace-architrave-and-update-your-doors
https://www.skirting4u.co.uk/blog/post/the-complete-buying-guide-to-architrave
https://www.wickes.co.uk/how-to-guides/decorating/fit-architrave

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