Roofing Products
Roofing here covers the plastic parts of a pitched roof rather than the tiles themselves: verge units, eaves protection and the trims that close the edges. A plastic roof verge caps a gable without mortar, part of the wider dry verge systems range.
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Choosing Roofing Products
Frequently Asked Questions
Mortar at a gable end cracks, washes out and eventually drops tiles, and repointing a verge means scaffolding. Dry verge units clip over the batten ends and screw into the tile, so nothing can wash out. They also close the gap against birds and wind-driven rain without pointing.
A pitched roof needs continuous airflow at the eaves, so unless ventilation comes from somewhere else — over-fascia vents or a ventilated ridge — the soffit should be vented. Hollow soffit has the gap built into each joint. Flat soffit is unvented, so pair it with a vent strip or circular vents.
They do not have to, but a roofline reads as one line from the ground, so mismatched whites or a grey gutter on a white fascia tend to show. If you are replacing in stages, settle the colour across fascia, soffit, guttering and downpipe at the start rather than matching to what is already up.
9mm board is capping: it is fixed over sound existing timber to smarten the roofline without stripping back. 16mm is the full replacement thickness, strong enough to carry the guttering on its own once the old timber is off. If the timber behind is soft or rotten, capping over it only hides the problem.