Glidevale Protect - Fixing Instructions - AV50 Abutment Vent

Glidevale AV50 AbVent Ventilator provides unobtrusive high-level ventilation in conjunction with lead roll details on plain tile and slate roofs. It is particularly useful in top edge abutment details where there is limited vertical clearance. Glidevale Protect has created two handy visual guides to help you choose the correct ventilation strategy for your projects, ventilation guidance according to BS5250.