Shiplap
![](https://www.angelplastics.co.uk/application/images/Installation_guide/cladding/pic1.jpg)
Used mainly for external walls, has a natural
built in water repellent channel to prevent capillary action.
Has a very soft appearance.
V-groove
![](https://www.angelplastics.co.uk/application/images/Installation_guide/cladding/pic2.jpg)
Can also be used for walls but is most commonly used for
large underhangs to soffits and ceilings. A much sharper
appearance than the Shiplap.