The holes in this under felt were causing a serious leak so bad that water was coming through the light fitting in the bedroom.
Brand new Car Port with GRP flat roof & skylights.
New tile roof featuring insulation, breathable under felt & Rosemary tiles.
Hip & ridge tile lifting & re-bedding.
Repair to wrongly installed air vent tile.
New tiled roof. This is a tiled roof strip & re-cover including solar panel installation. The tiles are Marley Double Romans which are very aesthetically pleasing. When installing under felt we always use a vapour permeable breathable membrane which prevents the build up of condensation in the loft space by allowing water vapour to pass through micro pores in the fabric.
The under felt has failed after the stone tiles were sealed to the gulley and water getting under the tiles at the ridge has been unable to get out. The weight of the water gathering at the bottom course has caused the felt to sag & tear. To solve the problem we have installed drip trays & a new course of under felt which allows the water to be delivered into the gulley without gathering under the bottom course of tiles. We have then put the rest of the tiles (including some new ones) back correctly and re-bedded/pointed the ridge line. We undertook this job over a year ago & the home owner has not had any problems since.
