G. Cut out Hole in Roof

Refer to Figure 8.9.

Plumb from roof to center of chimney.

Drive a nail up through roof to mark center of pipe.

Measure to either side of nail and mark the 17 in. x 17 in. (432 mm x 432 mm) opening required.

Measure opening on the horizontal; actual length may be larger depending on roof pitch.

Cut out and frame opening.

Refer to Chapter 25 of the Uniform Building Code for roof framing details.

H. Complete Installation

WARNING! Risk of Fire! You MUST maintain 2 in.

(51 mm) air space to insulation and other combustible materials around the chimney system. Failure to do so could cause overheating and fire.

Keep chimney sections from separating or twisting.

You may secure straight chimney sections at the joints with screws no longer than 1/2 in. (13 mm).

The following steps should be skipped if using a chase.

Install roof flashing appropriate to roof pitch.

Install round termination cap and storm collar.

I. Install Flashing

Assemble chimney so it passes through the framed opening.

Slip the flashing over the chimney.

NOTICE: Roofing shingles must be below the flashing plate on the lower side of a sloped roof and over the flashing plate on the sides and top.

Nail the flashing to the roof. Keep gaps between the flashing plate and the roof to a minimum.

Caulk the flashing plate and roof junction as well as the vertical seam on the flashing. All nail heads must be caulked with a roofing sealant.

Figure 8.9 Ceiling/Attic Construction

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Heatilator • I60, I80 • 4013-250 • Rev C • 11/08

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Hearth and Home Technologies I60, I80 owner manual Cut out Hole in Roof, Complete Installation, Install Flashing

I80, I60 specifications

Hearth and Home Technologies’ I60 and I80 are highly regarded as premier options in the realm of direct vent gas fireplaces. Both models are designed to provide elegant aesthetics and outstanding performance, making them ideal for any living space. The I60 features a 60,000 BTU input, while the I80 boasts a higher input of 80,000 BTUs, ensuring ample warmth and comfort. These fireplaces are well-suited for large rooms and homes with open floor plans, delivering significant efficiency alongside superior design.

One of the standout features of both the I60 and I80 models is their contemporary style. The large glass viewing area creates a stunning visual impact, allowing the flames to be the focal point of the room. The clean, linear design can be customized to fit various décor styles, making it versatile for homeowners. Additionally, the fireplaces can come with optional decorative media such as ceramic logs, stones, or glass, allowing for further personalization.

Both fireplaces incorporate advanced technologies to enhance performance and efficiency. The inclusion of the IntelliFire® ignition system offers a reliable and convenient way to start the fireplace, eliminating the need for messy matches or lighters. The remote control functionality adds convenience, allowing users to adjust flame height and heat output from anywhere in the room.

Efficiency is another key characteristic of the I60 and I80. They boast high-efficiency ratings, contributing to lower energy bills while providing superior warmth. The direct vent technology ensures that combustion gases are expelled outside, preventing indoor air pollution and allowing for excellent airflow.

Installation is also simplified with these models due to their flexible venting options. They can accommodate various venting configurations, including horizontal and vertical installations, which is particularly beneficial in both new construction and retrofit applications. The fireplaces come equipped with safety features such as a standard safety screen and optional glass doors, ensuring peace of mind for users.

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