BRainguard Micro-seal 1 Gal Clear Penetrating Silane Siloxane Professional Grade Water Repellent Sealer - Concrete, CMU, Block, Brick, Stucco, Stone, Wood for HorizontalVertical, Apply Low Temp 35F & Newly Poured Concrete, 10 Yr Warranty ReviewbP PP Rainguard Micro-seal 1 Gal Clear Penetrating Silane Siloxane Professional Grade Water Repellent Sealer - Concrete, CMU, Block, Brick, Stucco, Stone, Wood for HorizontalVertical, Apply Low Temp 35F & Newly Poured Concrete, 10 Yr Warranty PDoes not alter surface appearance & will not yellowPCold weather application down to 35�F (1.