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Dartank

Full support for Windows

The complete window sill is the lower horizontal part of the surround, with a built-in 1-3° fall and a drip groove on the underside to shed rainwater and prevent capillary rise. Essential to the durability of the façade.

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Window sill

Full window sill — EPS and polyurethane window moulding

The full window sill is the lower horizontal part of the surround, with a built-in 1-3° slope and a drip groove on the underside to shed rainwater and prevent rising damp. Essential to the durability of the facade.

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Material and finish

Our full window sills are made of high-density expanded polystyrene with a 3-4 mm acrylic polyurethane coating. Lightweight, rot-proof, resistant to UV, frost and everyday impacts. Ready to paint.

Installation

Fitted by bonding with a special exterior adhesive sealant. See our Paints & Adhesives category for suitable products.

Help & advice

Frequently asked questions

Everything you need to know before ordering. Another question? Contact us.

By bonding with a special exterior adhesive: run a bead on the back and press onto the wall. For bulky pieces, reinforce with hammer-in fixings.
An acrylic exterior facade paint, applied over a primer — in any colour you like.
15 to 25 years depending on exposure. EPS + PU withstands UV, water, frost and everyday impacts.
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