Free Domestic Shipping on Orders over $75.00 All prices in Canadian Dollars

Liquid Rubber’s Crack & Seam Sealer Gun

Liquid Rubber approves of Portland 1000 Model# SCBCG34 – Single Component Bulk Caulking Gun which is a fast and efficient way to seal cracks and joints in foundations, sealing seams and screws on metal roofs or sealing gaps around windows and doors.


  1. Mechanical Advantage 18:1
  2. Switchable Flow Control
  3. Interchangeable Pull Handle
  4. All Component Replaceable Parts
  5. Includes Three Yellow Cone Nozzles and Spanner Wrench


  • 34 oz. (1000ml.) Bulk Application
  • Use with Liquid Rubber Caulking Gel.
  • Diy Application

    Check all our DIY applications

    Learn more
  • Contact us

    Get advice from experts

    Contact us

The Ultimate RV Roof Maintenance and Repair Guide

Your complete guide to getting the most out of your motorhome roof

FREE GUIDE | RV Roof Repair