Ronseal Thompson’s Grey 10-Year High Performance Roof Seal provides durable protection in extreme conditions, forming a flexible elastomeric membrane that resists splitting and cracking.

It helps shield roofs from harmful UV rays while allowing trapped moisture to escape and keeping exterior moisture out. Suitable for felt, asphalt, slate, tiles, concrete, brick, corrugated metal and wood, it covers up to 2m² and dries in approximately 6 hours.

• Size: 4L
• Applications: Felt, asphalt, slate, tiles, concrete, brick, metal and wood
• Provides 10 years of roof protection in extreme conditions
• Forms a flexible, durable membrane resistant to splitting and cracking
• Protects against harmful UV rays while allowing trapped moisture to escape
• Coverage: 2m²
• Drying time: 6 hours
• Colour: Black