Marley tiles on 20 degrees pitch

[MacLaverty]

Ah ok, so best to stick with original like a Marley modern etc?

 

[datarebal]

Interesting? Was it the condron ? There is another make that is total cra p and seen plenty of issues, colour changes, channels breaking off but not on a senior



We get wind and rain down on the coast too.

They do go to 17.5 .. look again

 

[datarebal]

Size	420mm X 330mm
Minimum Roof Pitch	17.5° (UK – see tables below)* 22.5° (ROI – see tables below)
Maximum Gauge	345mm
Cover Width	300mm
Covering Capacity	9.7 tiles per m2 (at 345mm gauge)
Weight per 1,000 tiles	5.00 tonnes
Laid weigth per m2	48.7 kg (at 345mm gauge)
Minimum batten sizes	see tables below
Tile nails	50 x 3.35mm aluminium clout head

 

[catlad]

17.5 isn't standard construction though. From my experience those thin leading tiles work ok for a few years, but once a bit of dirt builds
up in the channels they are vulnerable to problems. Yes condron as well as others.

 

[datarebal]

Seen that on Cambrian slates , busted channels on edgemeres but not the senior slate . I'll keep my eye open on that.
I have seen blocked channels on moderns and stonewolds and others but they were generally over 20 years old.
The condron senior has not been available around here that long . So time will tell

 

[catlad]

Thin leading edge means problems with silting up after a few years. Keeps me in work but I wouldn't recommend them below 25°
In Lancashire anyway!

 

[datarebal]

Cool , I'll keep recommending them you keep clearing the channels and we could do ok

 

[MacLaverty]

So had the roof redone, pitch of the roof is 19-20 degrees. They have only done a 70-80mm headlap on each tile instead of the recommended 100mm for the pitch. Will this cause issues and should I get them back to re-do at correct headlap? Luckily haven't paid a penny yet. Roof is 3.5m long and 3m wide.

 

[datarebal]

How many tile courses did you end up with ?

 

[MacLaverty]

10