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  • Water build up, often referred to as ‘ponding’ on rooflights, can be problematic as the evaporated rain water leaves dirt and grime on the glass making it appear unsightly.

    However in most cases, the risk of ponding can be reduced considerably or even removed completely by ensuring that the rooflight is installed on an upstand at the correct pitch.

    With the exception of walk on specification glass rooflights, all of the fixed flat glass rooflights sold at rooflights.com are designed to be installed on a builders upstand at a minimum 3 degree pitch. The design of the rooflight means no capping needs to be fixed to the perimeter of the glass, so rainwater is free to run off the rooflight. Provided the minimum pitch is achieved, run off can be made even more effective by installing at a 5 degree pitch.

    If you are unsure how to go about achieving the correct pitch, you can check out our handy Flushglaze installation video here.

    Another great way of maintaining the finish of your glass is by specifying a rooflight with Enduroshield Easy Clean coating; this cost effective glass treatment acts like a non-stick surface on the glass by filling in imperfections at a microscopic level. Water is then able to run off much more freely, thus reducing any likelihood of water ponding on the glass.

    Enduroshield Easy Clean also makes regular cleaning intervals far more effective and easier to carry out. It’s similar in principal to waxing a car; after treatment rainwater beads off the paintwork and in subsequent washes, the water seems to glide over the surface.

    For more information give us a call on 01379 353 716 or browse our online rooflights shop.