Rainguard Micro-seal 1 Gal Clear Penetrating Silane Siloxane Professional Grade Water Repellent Sealer - Concrete, CMU, Block, Brick, Stucco, Stone, Wood for Horizontal/Vertical, Apply Low Temp 35F & Newly Poured Concrete, 10 Yr Warranty Reviewhttp://tinyurl.com/lr3j7h8 Rainguard Micro-seal 1 Gal Clear Penetrating Silane Siloxane Professional Grade Water Repellent Sealer - Concrete, CMU, Block, Brick, Stucco, Stone, Wood for Horizontal/Vertical, Apply Low Temp 35F & Newly Poured Concrete, 10 Yr Warranty Does not alter surface appearance & will not yellowCold weather application down to 35�F (1.7�C)Excellent mold and mildew inhiborStain resistant to oil, gas and anti-freeze100% Eco-friendly: low < 15 g/L VOC, low odor, free of cancer causing materials