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Our natural stone sills are available in two widths to suit render or brick finish which is the 220mm wide sill and to suit a building stone facade which is the 350mm wide sill. The profile of our natural stone sills also suit both block work and timber frame construction. We stock the following lengths in both both profiles so they are always readily available - 600mm, 750mm, 900mm, 1050mm, 1200mm, 1350mm, 1500mm, 1650mm, 1800mm, 1950mm, 2100mm, 2250mm, 2400mm 2700mm, 3000mm.

When it comes to window sills, you will need to know the placement of the window frame relative to the outer leaf material. This combined with the desired overhang relative to the outer face will determine the width of the sill you require. You will also need to know the face depth of the sill required to achieve your desired aesthetic look.

Window Sills      

If you are looking to complement the exposed brickwork of the outer leaf you should be considering stooled window sills as a solution, whereas non stooled window-sills will be the more popular choice for other outer leaf materials.

Window Sills 3 Window Sills 4 Window sills 2

Many of our window sill profiles are compatible with our precast concrete and cast stone string course profiles. At Double L, you will have the option of selecting natural stone window sills, cast window sills or precast concrete window sills. Please ask our experienced and helpful technical professionals for specification guidance.