Vacu-Stack Chimney Cap - Air Cooled

Chimney Cricket Vacu-Stack Air-Cooled Chimney Cap (Collar Included)

The Chimney Cricket Vacu-Stack Chimney Cap is the ultimate solution for wind-related chimney draft problems. If you live near hills, mountains, tall trees, or buildings, wind-induced downdrafts can push smoke back into your home. The Vacu-Stack eliminates these issues while also functioning as a durable chimney cap to protect against rain, snow, animals, and debris.

Key Features:

• Wind-Resistant Draft Control: Prevents downdrafts caused by high winds.
• Double or Triple Wall Chimneys: Designed specifically for air-cooled systems (collar included).
• Superior Protection: Keeps out rain, snow, animals, and debris.
• Optional Mesh Screen: Add the 1” stainless steel bird guard to block debris, contain sparks, and prevent animal entry. This screen will never rust, ensuring long-term performance.
• Optional Tie-Down Kit: For high-wind areas, secure your cap with our easy-to-install kit. Includes stainless steel straps, screws, and hex nuts.
• Custom Sizes: Available in sizes up to 48” to suit unique chimney dimensions. Contact us for pricing and details.

Why Choose Chimney Cricket's Vacu-Stack Cap?

This cap fits securely inside your round metal or masonry flue and uses a smart design to ensure proper airflow through cooling channels in double and triple wall chimneys. Its stainless steel construction guarantees durability and rust resistance, making it a reliable solution for years to come.

Sizing Options

• Inside Flue Diameters: 6”, 7”, 8”, 9”, and 10”
• For square or rectangular flues, use our Masonry Adapter for a seamless fit.

Installation Instructions

Step 1: Proper Ventilation
The Vacu-Stack includes three spacers on the underside, ensuring proper ventilation for the air-cooled chimney system.

Step 2: Secure Fit
Press the Vacu-Stack’s collar snugly into the flue opening, ensuring a secure fit.

Step 3: Watertight Seal
For added protection, apply a thin bead of chimney silicone (optional) around the joint between the Vacu-Stack and the chimney.

For square or rectangular flues, adapt your Vacu-Stack with our Masonry Adapter.

Enhance your chimney’s performance and reliability with the Chimney Cricket Vacu-Stack Chimney Cap. Contact us today to find the perfect fit for your chimney!