Outside the property
This document is only available with a paid isurv subscription.
Flashings Most chimney stacks have some form of flashing where the stack meets the roof pitch. Lead is the most commonly used material, but historically mortar and tiles have also been used. Mortar and tile flashings are the most susceptible to failure as they have no flexibility and can crack because of...Explore the subscription options here to get full access to isurv, including downloads.
Try isurv for 1 month!
You can now get unlimited access to all isurv channels with our 1-month pass, available for only £39. To find out more, enquire with our team using our form.
Sign up for the isurv newsletter to receive a monthly round-up of the latest isurv updates.
For further support, please contact us by emailing isurv@rics.org or calling +44 (0) 247 686 8584