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Guide

The Texas Glazing Guide: Windows & Doors for Heat, Hail and Hurricanes

How to choose windows, doors and glass for Texas — Low-E and SHGC, hail-resistant laminated glass, impact windows, windstorm requirements and full-home glazing tips.

Texas asks a lot of glass: triple-digit summers, North Texas hail, Hill Country sun and Gulf Coast hurricanes. Here is how quality fenestration handles all of it.

Heat: control solar gain

Most of Texas falls in energy-code climate zones 2 and 3, where keeping solar heat out is the priority. Choose Low-E insulated glass with a low SHGC (solar heat gain coefficient) and a low U-factor, especially on west and south walls. Overhangs and covered porches make big glass far more comfortable.

Frames: thermally broken

Aluminum and steel conduct heat. Thermally broken frames separate the inside from the outside with an insulating barrier, reducing heat transfer and condensation.

Hail and security: laminated glass

Laminated glass holds together when struck. It is a smart upgrade in hail-prone North Texas and for big glass near the ground, and it also reduces noise.

Hurricanes: impact-rated systems

Along the coast, windborne-debris rules and insurers often require impact-rated windows and doors or approved shutters. In the designated coastal counties, the Texas Department of Insurance windstorm program requires inspection and documentation for coverage — ask your builder early and choose products with the right design pressure and approvals.

Plan the whole house together

A full-home glazing package lets you choose the right glass by orientation while keeping every finish and sightline consistent. Explore our three collections to see how far you want to go.

Quick answers

What is a good SHGC for windows in Texas?

Lower is better for most Texas exposures. Energy codes for climate zones 2 and 3 commonly call for an SHGC of about 0.25 or less; we confirm the requirement for your project.

Do I need impact windows in Houston?

Requirements depend on your exact location and wind zone. Many coastal and near-coastal projects require impact protection; we help you confirm it with your builder and inspector.

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  • Doors, windows, garage doors, railings and interior glass

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