The original gorilla filler 500ml seals and fills weatherproof expanding foam filler squeezes into gaps and fills them tight 151 gorilla filler is the ideal solution to large cracks and holes in stone wood brisk and metal it expands on contact to fill and shaped gap and hardens to form an airtight weatherproof seal can be cut sawn painted or sanded apologies no courier available to the following any orders to the following areas will be refunded unless we are contacted for a postage q