Repair tape maybe your best best if you ve seen that the cause of the leak is a physical hole to your plastic conservatory roof.
Plastic conservatory roof leaking.
Leak through the roof vent.
Thoroughly clean the area and fit specialist htg adhesive flashing to bridge the problem area.
Our advice would be to get a conservatory roof specialist to visit and check out the scope of the repair work.
Silicone sealants aren t suitable for sealing a leaking conservatory.
Leak below roof vent due to failed poor mutin bar seal above or below.
For what it counts and based on your initial message you may not need to replace the polycarbonate just the rubber seals and maybe underside spacer strips if any.
The fowong butyl tape works to repair cracked roofs across multiple surfaces including metal fibreglass wood textile plastic aluminium and more.
Using an inadequate sealant is one of the main causes of conservatory leaks.
A conservatory roof leaking in centre could be due to a slipped or incorrectly fitted roof panel a cracked glazing unit or a perished seal.