Any reviews on Dr artex and STP Vizomat deadeners? I asked an installer at sabi nya Vizomat>Artex in terms of effectiveness. And butyl ba ang Vizo or asphalt?

6,000 for Dr artex and 6,500 for the Vizo. (2doors inner and outer layer)
May ma suggest pa ba kayo na deadener? Yung pinakasulit para sa price, kahit walang brand or di kilalang brand basta butyl at malupit