Roof Torching Mortar

The torching on clay tile roofs contributed to securing them in the days before nibs were added to hold them on the wooden battens.

Roof torching mortar. A common repair to slate roofs is to apply torching a mortar fillet underneath the slates attaching them to the battens. Torching on pitched roofs is not to be confused with torch on felt used for flat roof construction. This may applied as either a repair to hold slipping slates or pre emptively on construction. Traditional buildings did not have bituminous underfelt beneath the slate or tile roofs.

This mortar and the process is called torching. Instead a soft sticky mortar mix was used both to help secure the slates and also prevent draughts. Main office the forge brightling road robertsbridge tn32 5hd phone. Renewing torching is a specialist task.

It is common for the torching to deteriorate and for pieces to fall away from the inside of the roof. It is not uncommon to find that bats use a roof space. A mix of lime mortar mixed with horse hair is often used for this task. This system was commonly known as torching and was used before the introduction.

Roofers who can do this are normally to be found working on heritage properties. In the days before roofing felt torching or lime mortar was used on the underside of tiles or slates to keep them in place and to prevent strong winds from getting under the tiles and lifting them.