Cracking & Brittleness
Ageing materials may crack or become brittle following prolonged environmental exposure and weathering.
Commercial & Industrial Roofing
Commercial Rooflight & Skylight Replacement
Replacement of ageing, leaking and damaged rooflights for factories, warehouses and commercial buildings. Restore natural daylight with suitable modern rooflight systems and professionally detailed weatherproofing.
Natural Daylight & Weatherproofing
Replacing Ageing Industrial Rooflights
Rooflights provide valuable natural daylight to commercial and industrial buildings, but their performance can deteriorate over time.
Ageing rooflights may become discoloured, brittle or cracked, while failed seals, joints and surrounding flashings can contribute to persistent water ingress.
Elite Waterproofing provides commercial roofing services covering the assessment of deteriorating rooflights and replacement requirements.
The appropriate replacement system depends on the existing roof profile, construction, rooflight dimensions, intended use and the building's performance requirements.
Whether replacing individual damaged units or incorporating rooflights into a wider roof renewal project, careful integration with the surrounding roof is essential.
Rooflight Defects
Signs Your Skylights Need Replacing
Some rooflight issues can be addressed through repairs, but significant deterioration may justify replacement.
Discolouration
Yellowing, surface degradation and contamination can reduce the level of natural daylight entering the property.
Water Ingress
Damaged units and failed rooflight junctions can allow rainwater into occupied spaces.
Failed Seals & Flashings
Deteriorated perimeter connections can compromise weatherproofing even when the main glazing remains intact.
Condensation Problems
Inadequate insulation, glazing performance or ventilation can contribute to condensation around rooflight installations.
Safety & Fragility
Existing rooflights may be fragile. Their condition and the safety of future roof access should be considered during replacement.
Replacement Options
Commercial Rooflight Systems
Commercial and industrial buildings use a variety of rooflight arrangements. Replacement products must be compatible with the existing roofing system and the required performance.
Profiled GRP Rooflights
Glass-reinforced polyester rooflights are commonly used within profiled industrial roofing systems. Compatible replacements must account for sheet profile, dimensions, supporting structure and specified performance.
Polycarbonate Rooflights
Polycarbonate rooflights may be considered for appropriate applications, subject to roof system compatibility, fire performance, durability and design requirements.
Continuous Rooflight Strips
Longer rooflight sections integrated into pitched industrial roofing systems can distribute natural light across larger floor areas.
Flat Roof Skylights
Proprietary flat roof skylights and roof windows may be replaced as part of a suitable waterproofing and kerb-detailing project. The correct system depends on roof construction.
Rooflight specification must account
for structural support, weather resistance,
fire performance, thermal requirements
and the appropriate non-fragility
classification. A replacement product
should not be assumed to be safe
to walk on.
Building Performance
Improve Natural Daylight
Rooflights play an important role in distributing daylight across factories, warehouses and other large buildings.
Over time, weathering and discolouration can reduce the amount of light passing through existing rooflights.
Replacement offers an opportunity to consider daylight transmission, thermal performance and compatibility with the existing roof covering.
Where an appropriate specification is selected, improved daylight transmission may reduce reliance on artificial lighting during suitable daylight conditions. The actual benefit depends on the building and its use.
Project Delivery
Our Rooflight Replacement Approach
Each building requires an appropriate replacement specification and safe system of work, taking account of the existing roof covering and activities below.
Initial Enquiry
Discuss the existing rooflights, their defects, approximate quantity and building requirements.
Assessment
Review rooflight condition, existing roof profile, support arrangements and access limitations.
Specification
Identify compatible replacement products, flashing details, relevant performance requirements and project arrangements.
Replacement Works
Complete the agreed installation using suitable access, protection and inspection procedures.
Working at Height
Fragile Rooflights & Safety
Rooflight replacement involves particular working-at-height hazards because existing rooflights and surrounding roof materials may be fragile.
Falls through fragile rooflights are a significant hazard during inspection, maintenance and roofing works.
Rooflight replacement must therefore be planned with appropriate arrangements for access, fall prevention and the protection of people below the work area.
Existing roof assemblies should be treated as fragile until a competent person establishes otherwise.
For official guidance, see
HSE — Fragile Surfaces
and
HSE — Roof Work
.
Choosing a Roofing Solution
Repair or Replace Your Skylights?
Replacement is not always required when a rooflight leaks. Some defects relate to perimeter seals, flashings or adjoining roof coverings that can be repaired separately.
Skylight Repair & Refurbishment
Where rooflight panels remain in suitable condition, localised repairs to seals, junctions, flashings or compatible protective treatments may be possible.
Any proposal must take account of material condition, substrate compatibility and the limitations of the existing installation.
Explore RefurbishmentSkylight Replacement
Replacement may be the appropriate option where panels are cracked, brittle, significantly weathered or no longer provide suitable performance.
It may also be considered during wider roof replacement or refurbishment programmes, allowing a coordinated roofing specification.
Discuss Replacement
Operational Buildings
Rooflight Replacement in Working Buildings
Factories, warehouses and other commercial buildings may need to remain operational during rooflight replacement.
Access & Installation
Safe access and working arrangements must be planned around roof geometry, fragile materials, site restrictions and the extent of replacement.
Protection of Internal Areas
Opening sections of a roof can expose the interior to weather and falling material hazards. Appropriate protection and work sequencing must be considered.
Associated Roof Repairs
Replacement may involve adjacent roof sheets, compatible fixings, sealing materials, flashings and surrounding waterproofing.
Phased Programmes
Where technically and operationally suitable, larger rooflight replacement projects may be organised in sections to help manage business disruption.
Frequently Asked Questions
Commercial Skylight Replacement FAQs
Can individual industrial rooflight sheets be replaced?
Yes, where compatible replacement materials and suitable fixing arrangements are available. The existing roof profile, rooflight design, supports and condition must be considered.
What causes commercial rooflights to leak?
Water ingress may result from cracked rooflight panels, deteriorated seals, failed flashings, damaged fixings or defects in adjoining roof coverings.
Can yellowed rooflights be replaced with clearer panels?
Suitable modern rooflight systems may provide improved daylight transmission. The actual performance depends on the product, glazing specification and building design.
Are replacement rooflights safe to walk on?
No rooflight should automatically be assumed safe to walk on. Non-fragility classifications relate to specified performance conditions and are not permission to use rooflights as walkways.
Can rooflights be replaced on asbestos cement roofs?
Replacement may be possible, but asbestos-containing roof materials require appropriate identification, assessment and controls before work begins. The fragile nature of asbestos cement roofing is also a major consideration.
How much does industrial skylight replacement cost?
Costs depend on the number and dimensions of rooflights, material specification, roof construction, access requirements and associated roofing works. A project-specific quotation is necessary.
Other Roofing Services
Related Services
Request a Quotation
Need to Replace Your Commercial Rooflights?
Whether your existing rooflights are leaking, cracked, discoloured or being considered as part of a wider roof refurbishment, contact Elite Waterproofing to discuss the requirements of your building.
Call 01509 414300