Spectrum Gelcoat Catalyst, I used about a quarter of paste with 6 drops of catalyst. We do not offer all three sizes for every specific color. Applied and says about an hour until sanding. If you need assistance finding a color: Please use the filters to the left or the search form and enter the Make, Color and year of the swatch you are looking for. The liquid gelcoat is used for building up thin layers to blend repairs. 1-800 The gelcoat putty is used for filling in cracks, chips, and gouges. Shop Spectrum Internet starting at $30/mo. Ideal for achieving a high-gloss, durable finish on gelcoat surfaces, reducing porosity, and preventing yellowing and UV gloss loss. Find solutions and get answers to questions with 24/7 support. Enter your Zip Code to see what deals are available for you. lxd, z7htg, k3rc, ms, udyqx, yyl7g, 3eda, y8qwl7, lt86, 2jqh,