PROSOCO R-Guard® Joint & Seam Filler is a single-component compound for a variety of gaps.
Save time and energy by eliminating the need for joint reinforcement tape.
Silyl-Terminated-Polymer (STP) delivers ideal sealing and crack filling results.
Material can bond to most materials without the need for priming.
Will not stain, shrink, or yellow.
Can bond to damp substrates in wet weather.
May be exposed to exterior weather and UV rays for up to 12 months.
Works with most waterproofing or air barrier components and material sealants.
Passes ASTM E84 testing for Surface Burning Characteristics of Building Materials.
Designed for rigid results in all climates, Joint & Seam Filler can be used to repair cracks, fill gaps, or assist in building-wide air barrier systems. This single-component material requires no mixing, saving your team considerable time. This seam filler is also free from isocyanates and phthalates, providing safe and simple results each and every time. Deploy Joint & Seam Filler with a gun or spread-and-tool with one of two sizes available from Masonry Direct, and be sure to buy in bulk for additional discounts!
Available in 2-ounce sausage or 29-ounce cartridge.
Not intended for use as a liquid flashing membrane (try our Fast Flash).
24-Hour Emergency Information: INFOTRAC at 800-535-5053