COVID-19 UPDATE: All installations have been postponed until WC: 13th April. Existing customers can find out more information about their orders and our contact-free installation process here – Existing Customers.
Short term solution is to wait until the weather is dryer and climb onto the roof to seal the hole using a sealant. But, do you really want to be climbing on the roof? This is a short-term solution for a reason, it might solve your problem for the time being but who’s to say that a leak won’t appear on another part of your conservatory roof.