ULTRA-GUARD 5700 High Solids Elastomeric Silicone Mastic


Download Spec Sheet
Cool Roof Rating Council certified
Single-component silicone elastomer specifically designed to protect construction surfaces from the effects of weather and moisture
Low VOC, High solids content, rapid cure and superior physical properties
Designed as a two-coat system consisting of a base coat with a contrasting colored top coat
Dry time can be shortened with the addition of an accelerator package

ULTRA-GUARD 5700 Silicone Mastic is a high-solids, heat resistant, single-component, brush/trowell grade silicone mastic with:

  1. Exceptional adhesion
  2. Outstanding UV resistance
  3. Excellent low temperature flexibility & Elasticity
  4. High tensile strength



ULTRA-GUARD 5700 Silicone Mastic approximate coverage is 25 square feet per gallon.

Storage Stability

ULTRA-GUARD 5700 Silicone Mastic has a minimum shelf life of one year when stored at temperatures between 32o F and 100o F.

Application Instructions

ULTRA-GUARD 5700 Silicone Mastic is applied by brush or trowell at thicknesses up to 1/4″.


ULTRA-GUARD 5700 Silicone Mastic should be applied directly from the container without thinning.


Sprayed Foams: No primer necessary. Consult manufacturer for application to other surfaces.


Need to place an order for this product?
Give us a call at 1-800-941-0650.