Fascia Capping
Fascia capping covers existing timber rather than replacing it, so a roofline can be refreshed without stripping back to the rafter ends. Boards come in 300mm and 600mm widths to wrap the old fascia, in the same colours as full uPVC fascias. For a full replacement, see 16mm fascia board.
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Choosing Fascia Capping
Frequently Asked Questions
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.
Through into the rafter ends with polytop nails or stainless screws, two per rafter, at the top and bottom of the board so it cannot rotate under the weight of a full gutter. Fix into sound timber — if the rafter ends are soft they need cutting back and a new timber before the board goes on.
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.