STEP 2 – CONCRETE PAD & HEARTH EXTENSIONS

Determine whether the fireplace is to be installed on an outside wall or an inside wall. The clearances for an inside wall installation differ from an outside wall installation. The type of wall installation will impact the size of the concrete pad and hearth extension to be poured. Ensure conformance to all local building codes. Void areas are often provided in

the base to form an air passage for external combustion air (recommended), or an opening for an ash pit or for both. Any nonessential void areas below the hearth should be filled to avoid unwanted air leakage into the furnace. Immediately above the foundation or foundation walls, pouring a concrete pad and creating the required hearth extension will create support for the fireplace furnace and allow an interface to the floor joists. Corbelling may be used to support the hearth extension, but a poured concrete slab, that also supports the fireplace furnace, usually is used to create a hearth extension. Forming the concrete pad requires “block outs” for external combustion air dampers (recommended.) Forming the concrete pad requires an interface with the ash dump provided in the Smart Fireplace Furnace. The concrete pad ash dump block out should be larger than the opening provided for the ash dump in the bottom of the fireplace furnace floor. If a Smart Fireplace Furnace is to be ducted down to a lower level, then include block outs in the concrete pad for the hot air ducting. Refer to FIGURE 3 for a typical outside wall fireplace furnace installation and refer to FIGURE 4 for a typical inside wall fireplace furnace installation. Note that both drawings include block outs for down duct capability.

FIGURE 3: OUTSIDE WALL PAD INSTALLATION

Use of non-combustible forms will be required for the concrete pad since removal of these forms will not be possible once the concrete pour is complete. Corrugated galvanized sheet metal can be used for the concrete pad form to eliminate any future fire hazard. NOTE: ALL combustible forms used in the hearth extension and concrete pad must not be left in place once the concrete pour is complete. The concrete pad must be a minimum of eight inches thick and be capable of resisting thermal stresses resulting from high temperatures. Check local building codes and specific requirements in order to define the proper thickness requirement of the concrete pad and hearth extension for your specific fireplace furnace application.

Hearth extensions must be constructed of noncombustible materials. A U.L. listed hearth extension may be used or the hearth extension can be a continuation of the poured concrete pad.

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Country Flame Fireplace FP33, FP42, FP37 manual Concrete PAD & Hearth Extensions, Outside Wall PAD Installation
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Fireplace FP33, FP42, FP37 specifications

The Country Flame FP37, FP33, and FP42 fireplaces represent the pinnacle of modern heating technology, with each model expertly designed to meet the diverse demands of homeowners. These fireplaces offer not only warmth but also an aesthetic flair that enhances any living space.

The FP37 is renowned for its substantial heat output, making it an ideal option for larger areas. With a heating capacity of up to 2,800 square feet, it incorporates advanced combustion technology that ensures efficient fuel consumption while maximizing heat production. The innovative air wash system keeps the glass pane clear, providing a spectacular view of the dancing flames. Its multi-fuel capability allows users to burn wood, coal, or pellets, providing flexibility and convenience based on individual preferences.

In contrast, the FP33 is designed for smaller spaces without sacrificing performance. This compact model is capable of heating areas up to 2,000 square feet. Its efficient design promotes quick and easy installation, making it a favorite among homeowners looking for an effective heating solution with a smaller footprint. The FP33 features an adjustable firebox, enabling users to control the intensity of the flames and the heat output according to their needs, ensuring a cozy environment throughout the chilly months.

Meanwhile, the FP42 is a robust option for those seeking a powerful heating source. With a capacity to heat spaces exceeding 3,000 square feet, it features a larger firebox allowing for longer burn times and reduced refueling frequency. Like its counterparts, the FP42 employs a state-of-the-art catalytic converter that enhances burn efficiency and reduces harmful emissions, making it an environmentally responsible choice for heating.

All three models prioritize user-friendliness, with easy-to-use controls and straightforward maintenance. Their durable construction, designed to withstand high temperatures, ensures longevity and reliability. Additionally, all Country Flame fireplaces are backed by an industry-leading warranty, providing peace of mind for owners.

With sleek designs and a variety of options to suit different aesthetics, Country Flame FP37, FP33, and FP42 fireplaces truly embody the blend of functionality and beauty. Whether for a cozy living room or a spacious family area, these fireplaces guarantee a warm and inviting atmosphere, making them an exquisite addition to any home. Choosing any of these models means investing in quality warmth and unmatched comfort for years to come.
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