Solar Piping - Roof entry Examples

Roof entries for solar pipe-work are area that still generates a lot of debate. The ideal roof entry should have the following characteristics;

• Be absolutely water tight.
• Air tightness is also a must when dealing with sealed houses.
• Long life, at least 30 years and UV resistant.
• Be simple and quick to fit.
• Not unduly disburb the roof tiles/slates.
• Be able to withstand high temperatures that may result if the panel stagnates in hot weather.
• Be relatively cost effective.

Many manufactures have come out with versions over the years, but the Author's choice is a running nipple joined to the roof with a good quality sealant or high temperature seals. The solar stainless steel pipe is threaded through the centre. The whole assemply is seal with solar insulation.

Some other examples.