One Coat Roof Seal is a women-run wholesale roofing supply company based in Southern California, that specializes in sales of its number one seller of "Seal it" a liquid membrane that offers a modern alternative to traditional GRP, PU, Silicone and bitumen roof coatings. The team at One coat roof seal has been in the roofing industry for over 40 years and has gained the trust and respect of many very satisfied customers. The Team here at One coat roof seal is beyond excited to be on the forefront of this new roofing technology and takes great pride in the products it offers.