Alphachem Block & Paving Sealer - 5LTR Block & Paving Sealer provides effective protection of block pavers and masonry. Block & Paving Sealer provides a durable penetrative sealer to a wide variety of materials including concrete, screeds, brickwork, masonry and fibrous sheet materials. The use of Block & Paving Sealer helps provide protection to both new and existing concrete and masonry against water and air borne pollutants. Payment All our products listed on eBay require immediate payment. If you are wishing to purchase more than one item, click 'Add to Basket' and then proceed to the next item. Once you have added all items to the basket, click the 'basket' icon in the top right corner of the page and complete payment. For full payment details click here. Shipping We will ship to all UK postcode addresses as well as Republic of Ireland. As long as you are logged in to your eBay account, the correct postage charge will be applied for delivery.