How to fit a letterbox

How to fit a letterbox


Posted 22nd Dec 2016

Image: JELD-WEN

 

Having a well-fitting letterbox is not only a practical necessity to get your daily post but, when combined with an internal flap, will also keep out draughts and damp over the winter months to make sure your hallway stays cosy and clean 

 

First of all, you’ll need to measure your door correctly. Working from the outside, measure the depth of the cross rail. Then make a pencil mark at the mid-point in two places, about 35mm apart. Draw a straight line between the two marks. Next, measure the width of the cross rail and find the centre point. Draw a short vertical line across the one you have already made. Centre your letterbox over the meeting point of the lines, and mark the position of the fixing bolts on either side.

1 Start by drilling clearance holes for the fixing bolts. Try to make them slightly larger than the diameter of the bolt shank – normally about 6mm.

Step 1

2 With a pencil, mark where you’ll need to cut the opening. It should be a fraction larger than the hinged part of your letterbox.

Step 2

3 Drill a hole at each corner of the slot. You’ll need to use a drill bit that’s large enough to create a hole into which you can put the blade of a padsaw or jigsaw – normally about 8mm.

Step 3

4 Put the blade of a padsaw or power jigsaw into one of the corner holes, and carefully cut around the rectangle all the way through the door.

Step 4

5 After you’ve cut the opening, use a narrow chisel and mallet to cut recesses for the hinge-pin. Clean out the corners of the opening and smooth the edges with sand paper.

Step 5

6 Fit the letterbox into position using the nuts supplied. If the bolts are longer than the thickness of your door, just shorten them with a hacksaw.

Step 6

Trick of the trade

If your front door directly faces the elements, it’s a good idea to put a slight slope on the cut you make through the door, so that the opening on the outside of the door is ever so slightly smaller than the one on the inside. This way, any water droplets that find their way behind the outside of the letterbox won’t run to the inside and through onto the floor. If you do this, you will need to ensure that the inside cover still fits over the opening well enough to get post through, so don’t make it too small.


Project courtesy of B&Q www.diy.com

 






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