Quick view Outdoor Indoor Silicone Sealant 300ml Various Colours Everflex MSRP: Now: £7.99 - £9.99 Was: Everflex Premium+ 450 Builders Silicone is a premium quality low modulus non-corrosive neutral cure silicone sealant that adheres to virtually all substrates, both porous and non-porous. Typically... MSRP: Now: £7.99 - £9.99 Was: Quick view Qty in Cart: 0 Price: MSRP: Now: £7.99 - £9.99 Was: Subtotal: