Patio Seal & Protect is water based fluorinated polymer sealer designed explicitly for porous stones. It penetrates & provides durable transparent surface protection whilst allowing the stone to breathe.Maintain a great looking patio for longer! Seals & protects natural stone and concrete Features: Seals and protects slabs and pavers Provides long lasting resistance to water, oil, dirt and grime Resists algae and fungal growth Water based for clean and safe use Impregnating sealer, apply second coat wet on wet 3 litres seals up to 20m2 based on one coat, depending on surface porosity Specifications: Dimensions: H:24.0 x W:12.0 x D:16.0 cm Colour: Clear Guarantee:1 year Material: Liquid Model Number: 2580