Acrypel is a high quality, silane/siloxane based acrylic water repellent that is formulated for maximum durability and adhesion. Acrypel can be applied to new or restored surfaces, high porosity concrete, split face block, brick, adobe, limestone, granite, sandstone, terracotta, stuccos & mortar. Acrypel is an excellent block sealer and can be used on most vertical or horizontal exterior and above grade masonry surfaces. Acrypel performs well in a variety of climates and temperatures. Acrypel is environmentally friendly and safe for plants and animals.