Is it ok to finish roof stale near dry wayside flush next to wall, ie: no overhang or soffits? Roof of our new build property have been finished on side...
Roof of our new build property have been finished on side elevation with dry wayside. No overhang or soffits. Rainwater runs down the side walls and has in a minute caused unsightly staining to the white roughcast finish. Builder is persevering there is no blemish. Can anyone advise if dry hard shoulder are intended to be used in this channel?
Answers: Dry verge desires 30mm overhang. Also, having a mortar occupied flush end is an all right construction method but will give you the annoying problem you mention.
You could in order cut/remove the bottom part of the dry hard shoulder and I'm sure the Marley ones will still lock together. Just means you can't use the starter on the first one so a screw inwardly a black cap would solve this.
Building regs stipulate the exposure to air for roofs so if it's soffit absent afterwards it must have over fascia vent on the fascia board. Also Marley do a Dry Ridge system to vent the roof.
You would have to appropriate back a couple of tiles from the side elevation to serration the brickwork to install ladder rail to make a soffit. Not the biggest of job, done a few now for customers.
Hope that help.
Any exterior walls without an overhang/soffits are going to incur the problem you are experiencing. That is why the majority of buildings hold the overhangs as it keeps the roof drainage from cascade down the sides of the building. The overhang also provides for soffits to provide ventilation to the roofs concealed side. Your builder is right that within is no fault but he messed up to explain the consequences of the style of finish to the roof line.