R400 Rubber Fiber

A white brushable putty type 100% acrylic material. This material has been specially formulated to bridge gaps and cracks. It will maintain flexibility and will not crack or fracture when exposed to the elements.

Uses

Can be used as acrylic caulking in a caulking gun. Seals off roof jack. Seals air-conditioning ducts. Can be used as a bedded compound. Seals seams on mobile homes. Can be used on expansion joints. Acts as a plastic roof cement “bull” without fabric.

Advantages

Will not fracture, stays flexible, easy to apply with brush, trowel, or caulking gun. Cleans up with water. Can be diluted with R400 Rubber and rolled for heavier fill and buildup. Excellent adhesion.

Surface Prep

This product must be applied to a clean, dry surface. It may be applied by brush, trowel or caulking gun up to 3/8in per coat.

Precautions

Do not use when ambient temperature is below 50 degrees F. Do not apply when raining or when rain is in the forecast, or if freezing may occur before dry. Do not allow product to freeze in storage or shipment. Close container after each use. Clean up spills with water.