Rooflight Maintenance and Damage Repair

Solar over-heating can be worsened by the inclusion of large areas of rooflights, however the heat from the sun is also likely to be passing through the rest of the roof and wall cladding and contributing to this and adding to any internal heat gains.

This depends on the condition of the rooflights. GRP rooflights that are 30 to 40 years old or more will often have deep engrained dirt and staining in the surface and may have also have noticeably darkened. Rooflight replacement creates easily obtained benefits in the

This approach can extend the life of the rooflights and reduce the frequency of cleaning old rooflights to maintain good levels of light transmission. However the total cost associated with these works and the lack of any guarantee on the applied coating generally means that

Generally, and to maintain the non-fragility status of a rooflight, any damaged rooflights should be replaced. The need to ensure that the non-fragile status is maintained means that repair kits can no longer be used effectively. Hambleside Danelaw publish separate guidance on assessing and dealing with rooflight

No. Please see Q&A below.

One consideration, depending on the extent and location of the damage, is to remove the fasteners, thoroughly clean the surface and install a new single layer of matching rooflight profile over the top. The fasteners should be inserted in a new location or over-sized options