3 Things to Know About Stamped Drawings for Paint Booth Installations

Achieving code compliance is an essential step in a paint booth purchase and installation. To obtain a permit for installation, your equipment must meet all safety requirements that apply to your local jurisdiction. In some jurisdictions, a building permit is not required for the installation of a paint booth assembly that is approved by a testing agency.

In the jurisdictions where a permit is required, stamped drawings (also known as professional engineering stamps) of your spray booth will be needed. Stamped drawings indicate that the equipment is engineered to meet applicable codes. A stamped drawing is essentially a professional engineer’s seal of approval — verification that your paint booth is constructed to operate safely for the protection of your employees and facility. Whether you need stamped drawings varies depending on the regulations in your area.

Here are three things you need to know about stamped drawings before investing in a spray booth:

1. Your Paint Booth Manufacturer Should Be Able to Provide Stamped Drawings

The manufacturer of your paint booth should be your primary resource for obtaining stamped drawings, assuming the manufacturer has a licensed PE (Professional Engineer) on staff proficient in the discipline for which the stamp is required.

Making sure the manufacturer of your finishing equipment has licensed engineers should be a key consideration in the purchasing process. Otherwise, obtaining stamped drawings from a third party for permitting can be both expensive and time-consuming — potentially delaying installation.

2. State-Specific License Required to Stamp Drawings

To stamp a drawing, an engineer must have obtained PE licensure, the highest standard of competence in the engineering profession, in the state the equipment is being installed. Requirements for obtaining and maintaining PE licensure vary from state to state.

An engineer must have direct supervisory control and responsibility over the drawings in order to stamp them. This can be accomplished by the engineer doing all the work themselves or by having direct supervision over the person performing the work. Global Finishing Solutions (GFS) has several engineers with PE licenses who can review and stamp drawings for all 50 U.S. states, the District of Columbia and Canada.

3. Not All Types of Drawings Need to Be Stamped

Installation packages typically contain various types of drawings, including layout, roof penetration and pit drawings. However, only certain general arrangement drawings for the equipment and the structural calculations are stamped by certified engineers. Drawings must be stamped by an engineer with PE licensure in the state where the equipment will be installed.


Stamped drawings are often a necessity when obtaining a permit for the installation of a paint booth, giving you peace of mind that your equipment is safe to operate and will not endanger your employees or put your facility at risk. Investing in finishing equipment from a manufacturer with licensed engineers on staff helps ensure you can obtain stamped drawings in a timely manner and avoid installation delays.

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