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That would be me :mrgreen: I've inboxed you.

We are approved installers for Colorcoat urban. The main difference is penetrations through the roof. On a zinc roof all penetrations have a soldered joint whereas you cannot solder or weld Colorcoat urban so the approved weathering of a penetration is sealant. As I've said before on a...

Perfect for zinc :mrgreen:

Lead or copper wouldn't look out of place IMO.

Or go for a zinc roof which can go down to a 3 degree pitch. :D

Modern extension with velux roof lights

Low pitch with integral gutters

Low pitch extension

Low pitch roof section. Almost dormer top like....

Conservatory roof

Conservatory roof

15 degree warm roof extension with stepped verge

Yes the same applies Jimbo.

There are some big bays in that gutter.......... Hope it's code 8?

To create an adequate vented roof you need continuous vents at the eaves and ridge to create a positive flow of air. The eaves vent needs to be 1/1000th of the overall roof area. The ridge vent then needs to be 15% larger than the eaves to force the air flow up to the ridge. By installing a few...

The most important part of the build up is the vcl membrane! Most builders don't know a vcl membrane from a breather membrane.......very very different things. Oils you be more specific about the vcl membrane?

I strongly disagree but I'm biased. I will record the rain falling on a new zinc roof tomorrow and send you a copy so you can decide for yourself. These roofs have been around for hundreds of years so surely if it was as much a problem as the previous poster suggests there would be...

Just use zinc which can go down to 3 degrees pitch and is only 5kg per square metre. :mrgreen:

Agree with Freddy!

Firings to create a 3 degree pitch with 18mm ply on top and zinc final layer?