Making Concrete Window Sills

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Making concrete window sills.

Here s how to make a window sill. Kpc has been manufacturing precast concrete window sills almost since its humble beginnings the late 1960 s. After setting and leveling the window sills bill made a decorative wood apron to give it a finished look. We offer bespoke designs for one off prestige projects or for any other reason that may arise.

Measuring an old window sill width. Pay special attention to the side jamb and window sill. Apply a 3 8 inch thick layer of concrete all over the sill with a trowel following any contours to mimic its original shape. We have built up a product range that cannot be matched by any of our competitors.

Since this video i learned about a router bit for profiling the edge of window sills which is easier. He used hot glue to adhere it to the concrete and then pin nailed the lower part to the drywall. You may be able to find some online but the best way to get a window sill is to make them. For the concrete take one part by measure of portland cement one part of.

From the inside take the measurement from end to end fig 5 1. I ll show you how we made ours and you ll see it s not terribly difficult. It took me all of about 30 minutes to make ours. If you have a bay window take a good look at what you can do there because in practice a bay.

In fact we have one of the largest ranges of window sills in the whole of europe. Whether you require bay sills corner sills or wide face sills we can offer you a solution that will suit your needs. Here s a link to the router bit https amz. My side jamb was notched at an angle to accept the window sill fig 5 2.

You may remember this from the blog on architectual detail for a reason the illusion of larger windows. If you didn t know you can t really buy window sills. Use a paintbrush to apply concrete bonding agent to the entire window sill. Make wooden moulds wrought inside of the dimensions and shapes of the heads and sills arranging one side to be removable as shown in the sketch.

Wedges driven through iron straps tighten up the mould when it is to be used. Forming concrete window sills and heads. What i ended up with was a. Resurface stained or cracked concrete window sills with new concrete.

If you fit new window sills you can make them to match in all your rooms.