Can be applied on slightly damp surfaces

Suitable for the interior and exterior

Stains of all kinds are permanently sealed so topcoats are blemish free

It can also be applied on terracotta

Good coverage and application

Farrow & Ball Multi Surface 750ml Dead Flat Porphyry Pink No.49 Exterior Wall Sealant Can be applied on slightlyFarrow & Ball Dead Flat is a multi surface, ultra flat matt finish for walls, woodwork and metal, with added durability. Dead Flat was developed by Farrow & Ball over 70 years ago to recreate the 18th century flatted lead paint effect. This traditional method originally involved teams of artisans painstakingly layering coats of paint to build a deep, rich and pigmented matt look, which was often reserved for the formal reception rooms of a house due