SHOP NOW 
Master
Every Corner.
Achieve cleaner corners with less preparation and fewer touch-ups.
Corner Master is a reversible painting shield designed to help control paint application around corners and along adjoining surfaces, including ceilings, baseboards, trim, doors, and windows.
How to use Corner Master
Set the handle
Position the handle for your working direction, then hand-tighten the wing nut.
Attach an extension pole when needed
For ceiling edges and other elevated areas, securely attach a compatible threaded painting extension pole. Extension pole is not included.
Place the shield
Hold the shield flat against the surface you want to protect and align its working edge with the area being painted.
Applications
Corner Master
Painting Shield.
$59.99
A professional-grade aluminum shield designed to support cleaner, more controlled paint boundaries at compatible inside and outside 90-degree corners.
Product Details
- Shield
- 18 × 18 inches
- Material
- Durable, lightweight, high-grade aluminum shield plate
- Shield thickness
- 0.050 inch
- Product weight
- 1 lb
- Packaged weight
- 1.1 lb
- Design
- Reversible orientation
- Handle
- Repositionable main handle with adjustable working angles
- Extension pole
- Accepts compatible threaded painting extension poles · not included
- Origin
- Made in the USA
- In the box
- One fully assembled shield and user guide
- SKU
- CM-PS18-EA-01
- UPC
- 860015233004
Shipping and taxes calculated at checkout.
- Ships within 1–2 business days
- Estimated delivery 5–7 business days after shipment
- Free U.S. shipping on orders of $100 or more
- 30-day returns on unopened, unused products
- Support: support@yourcornermaster.com
Care & Safety
- Wipe fresh paint from the shield during use and after each job.
- Clean with a soft, nonabrasive cloth and dry completely before storage.
- Inspect the shield, handle, and connections before use.
- Use on clean, dry, stable surfaces and maintain secure footing.
- Keep out of reach of children.
Made in USA
01What is Corner Master?+
Corner Master is a reversible 18 × 18 painting shield made from durable, lightweight, high-grade aluminum. It helps control paint application around compatible corners and adjoining surfaces, including ceilings, baseboards, doors, and windows.
02Does it work on inside and outside corners?+
Yes. The reversible shield can be positioned for compatible inside and outside 90-degree corners. It protects one adjoining surface at a time.
03Does it replace masking tape?+
Corner Master can reduce the need for masking tape around compatible corners, but it does not replace masking or drop protection in every application. Protect any areas that may receive drips or overspray.
04Who can use it?+
Corner Master was developed from professional painting experience for painters, remodeling contractors, and homeowners.
05What is it made from?+
The shield plate is made from durable, lightweight, high-grade aluminum. Its molded handle assembly includes a repositionable main handle for different corners and working directions.
06How do I clean it?+
Remove fresh paint during use and promptly after each job with an approved pre-moistened wipe or a soft, nonabrasive cloth. Keep the working edge and threaded connections clean, and dry the tool completely before storage. Do not use steel wool, abrasive pads, harsh cleaners, or unapproved solvents.
07Where is Corner Master made?+
Corner Master is manufactured and assembled in Georgia, USA.
08When will my order arrive?+
Corner Master currently ships within the United States using UPS Ground. In-stock orders ordinarily leave our facility within 1–2 business days after payment approval. Estimated delivery is 5–7 business days after shipment. Delivery dates are estimates and may be affected by the carrier, destination, weather, or holidays.
09What is the return policy?+
A return request must be submitted within 30 calendar days after delivery. The product must be unopened, unused, and returned in its original condition and packaging. Customers pay ordinary return-shipping costs. Report a damaged, defective, or incorrect order within seven calendar days of delivery with your order number and clear photographs. Corner Master will cover the cost of an approved replacement and any required return shipping.
10What should I do if the handle moves during use?+
Stop using the tool. Reposition the handle, hand-tighten the wing nut securely, and confirm that the handle does not move before continuing.