
Product Overview
Exterior 450 Topcoat a clear‐drying finish suitable for vertical exterior surfaces, such as fences, patio furniture, garage doors, entrance doors and interior windows. It is not recommended as a deck finish. Exterior 450 is fortified with UV absorbers to stabilize the finish and built‐in mildewcide to retard mold and mildew growth. It performs well as a clear coat or as an optional topcoat over General Finishes Milk Paint.
**Price includes PaintCare fee in the following states: CA, CO, CT, DC, ME, MN, NY, OR, RI, VT, WA**
Make & Model
| Manufacturer | General Finishes |
|---|---|
| Brand Name | Exterior 450 Topcoat |
| UPC | 606016107544 |
| Model # | GXS |
Technical Specifications
| Type: | Urethane/ Acryllic Blend |
|---|---|
| Viscosity: | Medium |
| Coverage: | 150 sq. ft/quart, 600 sq. ft/gal |
| Application Method: | Brush, Roll, Spray |
| Base Type: | Water |
| Coats: | 3 Coats |
| Dry Time - Cure: | 21 days |
| Dry Time - Light Use: | 7-10 days |
| Dry Time - Recoat: | 2+ hr |
| Dry Time - Touch: | 30+ min. |
| Durability: | High |
| Spray Tip Sizes: | HVLP 1.1mm-1.3mm |
| Usable over existing finishes: | Yes |
| VOC: | <128 g/L |
| Viscosity (cPs): | 350-450 |
| Weight Solids: | 31% |
Datasheets
Shipping Times
Most orders ship next business day, and are delivered 1-3 business days after shipment. These are only estimates, not guarantees. Exact shipment and delivery times will depend on your location, the products you order, and the shipping provider.
As soon as your order ships, you will receive an email with your tracking information. We do not offer expedited shipping at this time. If you are requesting a special order, please contact Customer Service for a delivery time estimate. And don’t forget, all orders over $35 ship for free!
Shipping Rates
At Paint Supply, we provide fast and cost effective shipping. Free shipping on all orders over $35 and a flat $10 shipping rates on orders under $35.













