Let our experts assist you with pre-engineered covered roof engineering design plans. 

We are national leaders in building component designs.

We start by working with canopy manufacturers to systemize designs.

We publish canopy performance evaluations for their products.

Finally, we provide the evaluations online & customize them as needed for special conditions.


Browse Our Pre-Engineered Canopy Design Plans

View our pre-engineered canopy design plans created for the manufacturers we partner with & purchase these permit-ready plans online today. 

Save up to 33% using EXPRESSTOKENS for all online plan purchases.

Use Our Free Canopy Roof Pressure Tool

Calculate ASCE 7 roof design wind uplift pressures for use with your product’s limiting performance evaluations. 

Order engineer signed and sealed copies for use in permitting your window project.

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From our Acclaimed Expresspass Quoting System

Are you a manufacturer looking for your own systemized designs?

Or are you a contractor & need a custom design?

ExpressPass provides you with custom quoting, project management & tracking for all your customized engineering needs.

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Help Center: Canopy Designs

Sunroom Terminology

The following is a summary of sunroom-related terms provided courtesy of the National Sunroom Association.   Click Here for the official publication provided by the

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