Rooflight advice guides
From choosing a solution to preparing an enquiry: technical explanations, product comparisons and practical checklists for new builds and refurbishment.
How to choose a dome rooflight
Start with the use of the room and the function you need. Then match the material, layer build-up, upstand, dimensions and opening mechanism. Compare the complete proposed solution, not just its size or a single U-value.
Read the guide →Dome rooflight or STELUX glass rooflight?
Domes and STELUX differ in material and construction. Compare the same dimensions, room use, opening function and installation scope. A glazing or dome U-value does not describe the complete installed solution.
Read the guide →Dome rooflight price: what affects your quotation?
For comparable quotations, specify dimensions, quantity, material, upstand, opening and scope of work. Check transport, installation, removal and VAT. The dome price alone is not the cost of the complete installation.
Read the guide →Replacing a dome rooflight: measurements and photographs
Before replacement, check dimensions, upstand condition, fixings and compatibility. Send labelled measurements and photographs you can obtain safely. Never step on a dome; leave measurements at height to a qualified contractor.
Read the guide →Rooflight upstands: selection and roof connection
Match the upstand to the rooflight and the finished roof build-up. Check structural and clear dimensions, height, insulation and waterproofing details. One standard height is not suitable for every roof.
Read the guide →Daily ventilation and smoke exhaust: what is the difference?
An opening dome for ventilation is not automatically a smoke vent. Fire-safety use requires a dedicated documented configuration coordinated with the fire-safety design. Do not modify an existing system without professional assessment.
Read the guide →Support from selection to maintenance
These guides are based on the POS plastika catalogue. We check the configuration against your building. Smoke and heat exhaust functions require coordination with the fire-safety designer.
About POS plastika and our support · Send details for a quotation