Price: £4.99 from Wickes
|Wickes||4FireDoors Intumescent & Acoustic Acrylic Sealant - White 310ml||£4.99||Visit Store|
4FireDoors Intumescent & Acoustic Acrylic Sealant - Brown 310ml
Halogen free intumescent and acoustic rated acrylic sealant. 4 hour fire resistance. Polymer emulsion based acrylic sealant that swells in the event of fire to form a char coat that restricts the passage of fire and smoke. Can be painted over.