Members only 01 Sep 2022 TS03 Dampness in Chimneys This statement highlights that when dampness on an internal wall is noticed or a leak develops, it is not always the roof but may may actually be coming from a defect in a parapet wall, chimney or a gable end. Technical statement
Members only 01 Sep 2022 TS02 Durability of Roofing Mortar This statement explains the how the performance of mortar used for a roofing application will vary widely according to specific circumstances. Technical statement
Members only 01 Jun 2016 NFRC TS04 Installation of Roof Windows and Skylights (MRK050) Installation of Roof Windows and Skylights Technical statement