Best Roofing Materials — 20mm, Pack of 100 (2026)
1 roofing materials matching size “20mm, Pack of 100”, hand-picked from UK Amazon listings.
Not sure which one to pick? Read our Best Roofing Materials UK (2026) guide.
#1 Pick
Clout Nails 20mm (Pack of 100) Extra Large Head Galvanized Shed Roofing Felt Tacks for DIY, Construction, Outdoor Wood Fence and Roof TilesRated 4.3 out of 5 stars (1,353)
- Galvanised Steel
- 20mm, Pack of 100
£7.16
Pros
- 20mm length suits slightly thicker felt and light board than standard clouts
- Extra-large heads spread load and resist pull-through in windy conditions
- Galvanised coating gives good long-term corrosion resistance outdoors
Cons
- Longer length is unnecessary for very thin standard shed felt