Hearthstone Stove Door Gasket Kit Total Hearth 3/8″ x 7ft Fiberglass

Description

Product Overview

The Hearthstone Wood Stove Door Gasket Kit from Total Hearth is engineered to provide a high‑performance seal for wood stove doors measuring 3/8 inch in thickness and up to 7 feet in length. Constructed from premium fiberglass, the gasket offers exceptional heat resistance, flexibility, and durability, ensuring a long‑lasting airtight barrier that helps maintain consistent stove temperature and improves overall heating efficiency. Each kit includes a single 7‑foot length of gasket material pre‑cut to a standard width, ready for easy customization to match the exact dimensions of your stove door. The gray color blends discreetly with most stove finishes, while the material’s inherent resilience protects against cracking, shrinking, or deformation even under repeated heating cycles. Designed and manufactured in the United States, this gasket kit reflects Total Hearth’s commitment to quality craftsmanship and reliable performance for residential heating applications.

Usage

This gasket kit is ideal for homeowners, hobbyist wood‑burners, and professional installers who need a dependable seal for wood stove doors. Whether you are replacing a worn‑out gasket, upgrading an older stove, or fitting a new custom door, the flexible fiberglass material can be trimmed with scissors or a utility knife to accommodate irregular shapes, corners, or unique door profiles. The gasket’s heat‑resistant properties make it suitable for continuous operation in high‑temperature environments, ensuring that no hot gases escape the combustion chamber. It is also compatible with a variety of stove models, including traditional cast‑iron designs, modern steel units, and custom‑built installations. By creating an airtight seal, the gasket helps reduce heat loss, improve fuel efficiency, and maintain a cleaner burn, making it a valuable component for anyone seeking to maximize the comfort and cost‑effectiveness of their wood‑fired heating system.

Why Choose Us

Choosing the Total Hearth Hearthstone gasket kit means selecting a product backed by years of expertise in hearth and stove accessories. Our gasket is manufactured from high‑grade fiberglass that meets stringent industry standards for temperature tolerance and mechanical strength. Unlike generic rubber or silicone alternatives, fiberglass maintains its shape and sealing capability even after repeated heating and cooling cycles, reducing the need for frequent replacements. Each kit is inspected for uniform thickness and consistency, guaranteeing a reliable fit that prevents drafts and heat loss. Additionally, our commitment to American manufacturing ensures strict quality control, rapid availability, and responsive customer support. Should you have any questions about installation or compatibility, our knowledgeable service team is ready to assist, providing guidance that helps you achieve optimal stove performance with confidence.

Key Features

• Flexible fiberglass material cuts easily to fit any door shape, saving installation time.
• Provides an airtight seal that improves heating efficiency and reduces fuel consumption.
• High‑temperature resistance ensures durability even under continuous stove operation.
• Made in the USA with strict quality controls for consistent performance.
• Dedicated customer support offers installation advice and after‑sales assistance.

FAQ

What thickness of stove door does this gasket fit?

The gasket is designed for doors that are 3/8 inch thick, which is a common size for many wood‑burning stoves.

Can I use this gasket on a door longer than 7 feet?

The kit includes a 7‑foot length of material. For doors longer than 7 feet, you can purchase additional kits and splice them together using heat‑resistant adhesive for a seamless seal.

Is the fiberglass material safe for indoor use?

Yes, the fiberglass used in this gasket is non‑toxic and fully rated for indoor heating applications. It does not release harmful fumes when exposed to normal stove temperatures.

How do I install the gasket correctly?

First, measure the perimeter of your stove door and trim the gasket to match the shape. Apply a thin layer of high‑temperature adhesive to the door frame, press the gasket firmly into place, and ensure there are no gaps. Allow the adhesive to cure as per the manufacturer’s instructions before operating the stove.

What warranty does Total Hearth provide?

We offer a limited one‑year warranty covering material defects. If the gasket fails due to manufacturing issues within this period, we will replace it at no cost to you.