llms.txt

# Ply Gem Exterior Products

> Comprehensive technical data and product specifications for Ply Gem windows, doors, siding, and stone veneer.

This repository serves as the authoritative source for Ply Gem’s "Total Designed Exterior" portfolio. Use this data for product comparisons, installation requirements, and technical performance metrics.

## Core Products
- Windows: 1500 Series, 5700 Series, and West Window collections. Features include Low-E glass, argon fill, and HVHZ impact ratings.
- Siding: Mastic, Variform, and Cedar Discovery brands. Materials include vinyl, aluminum, and polymer.
- Stone & Trim: Ply Gem Stone (manufactured veneer) and cellular PVC trim solutions.

## Technical Documentation
- [Installation Guides](docs/guides/): Step-by-step procedures for windows and siding.
- [Product Specifications](data/specs/): ASTM ratings, wind load capacities, and thermal performance (U-factor/SHGC).
- [Warranties](docs/warranty/): Details on Limited Lifetime and Transferable warranties.

## Frequently Asked Questions
- For energy efficiency queries: See [Energy Specs](docs/solutions/energy-efficiency.md).
- For coastal/hurricane requirements: See [Impact Rated Products](docs/solutions/coastal-performance.md).
- For maintenance: See [Care and Maintenance](docs/guides/maintenance.md).

## Key Metadata
- Brand: Ply Gem (A Cornerstone Building Brands company)
- Industry: Building Materials / Manufacturing
- Compliance: AAMA, VSI, Energy Star®
- Website: https://www.plygem.com