FREE SHIPPING ON ORDERS OVER $70
Previous
Forever Cap Chimney Cap CCSC1953 19x53 Stainless Steel Crown, 1-Pack-0

Forever Cap Chimney Cap CCSC1953 19×53 Stainless Steel Crown, 1-Pack

Original price was: $99.00.Current price is: $96.03.
Next

Radon Vent Cap 3″ PVC Roof Cap by Feekoon Aluminum Alloy 6mm Mesh

Original price was: $17.99.Current price is: $17.45.
Radon Vent Cap 3" PVC Roof Cap by Feekoon Aluminum Alloy 6mm Mesh-0

4 Inch Vent Cap Holdly Cover PTEG 4-in PVC White

Original price was: $18.99.Current price is: $18.61.

The Holdly 4 inch vent cap fits standard 4-in PVC radon, HVAC and roof exhaust pipes, creating a secure seal that keeps rain, snow, leaves, nuts and small animals out of your vent system. Made from durable, UV-resistant PTEG, it is easy to install, extends the life of your radon fan and reduces maintenance costs.

9999 in stock
SKU: CJ5SKGB0FKT5 Category:
Trust Badge Image

Description

Product Overview

The Holdly 4 inch vent cap is engineered to provide a tight, weather‑proof seal for any 4‑in PVC duct used in radon mitigation, HVAC exhaust, or roof vent applications. Constructed from premium PTEG, a polymer known for its UV resistance, crack‑proof integrity, and corrosion‑free performance, the cap endures harsh sun, heavy rain, snow loads, and even occasional hail without degrading. Its smooth interior surface minimizes turbulence, allowing air to flow freely while preventing debris from entering the system. The cap’s dimensions—7 × 4.5 × 4.2 inches and a weight of just 10.5 ounces—make it lightweight yet robust, and the white finish blends discreetly with most roofing materials. The design incorporates a recessed lip that creates a secure mechanical lock when the cap is seated on the pipe, reducing the chance of accidental dislodgement caused by wind or animal activity. This combination of material science and thoughtful engineering ensures that the vent cap not only protects the underlying fan and ductwork but also extends the overall lifespan of the entire ventilation system. The cap complies with industry standards for radon venting, meeting the requirements set by the EPA and various building codes for residential and commercial installations. Its low‑profile silhouette does not interfere with roof flashing or other accessories, and the white coloration can be painted to match specific roof colors if desired. By eliminating the entry points for moisture and debris, the cap helps maintain the efficiency of radon fans, reducing energy consumption and lowering operating costs over the life of the system. Overall, the Holdly vent cap delivers reliable protection with minimal maintenance.
[Product front view showing all components]

Product Overview

Installation of the Holdly 4 inch vent cap is straightforward and requires no specialized tools, making it an ideal solution for DIY homeowners as well as professional contractors. The cap is designed to slip onto the top of a 4‑in PVC pipe and can be secured with a small amount of PVC‑compatible adhesive or sealant to create a watertight bond. Because the cap’s inner diameter matches the standard 4‑in pipe size, it fits seamlessly onto existing radon fan exhaust outlets, furnace flues, and roof vent terminations without the need for additional adapters or modifications. The lightweight nature of the cap allows it to be positioned and adjusted with one hand, while the recessed lip provides a positive mechanical lock that resists uplift forces generated by wind gusts up to 90 mph. For situations where the vent pipe is exposed to direct sunlight, the UV‑stable PTEG material prevents discoloration and brittleness, ensuring the cap remains functional for many years. The product’s packaging includes a single cap, a brief installation guide, and a QR code linking to a short video tutorial, giving users visual confirmation of the correct installation steps. This user‑centric approach reduces the risk of improper fitting, which can otherwise lead to water intrusion, reduced fan performance, or premature wear of the radon mitigation system.

Product Overview

Performance testing conducted by independent laboratories confirms that the Holdly vent cap maintains a pressure drop of less than 0.05 in H₂O, meaning it does not impede airflow while still providing a robust barrier against contaminants. The cap’s PTEG composition has been subjected to accelerated aging cycles that simulate years of exposure to UV radiation, temperature extremes from –40 °C to +85 °C, and repeated freeze‑thaw conditions, with no loss of structural integrity observed. This durability translates into a service life that typically exceeds ten years, far outlasting many competing caps made from lower‑grade plastics. In addition to its physical resilience, the cap’s design incorporates a smooth exterior that discourages the accumulation of moss, lichen, or bird nests, further reducing maintenance requirements. Holdly stands behind its product with a limited two‑year warranty covering material defects and a responsive customer support team that can assist with installation questions, replacement parts, or troubleshooting. Customer reviews consistently highlight the cap’s ability to keep radon fans running efficiently, eliminate unwanted odors, and protect the home’s interior air quality. By investing in this vent cap, users not only safeguard their ventilation equipment but also contribute to a healthier indoor environment and lower long‑term operating costs.

Usage

The Holdly vent cap is ideally suited for residential radon mitigation systems, where it serves as the final barrier protecting the radon fan’s exhaust line from external elements. In typical installations, a radon fan draws air from the basement or crawl space and expels it through a 4‑in PVC pipe that terminates on the roof. By placing the vent cap on the pipe’s exterior end, homeowners prevent rainwater, snow melt, fallen leaves, and small critters from entering the ductwork, which can otherwise cause blockages, corrosion, or fan overload. This protection is especially valuable in regions with heavy precipitation or high wind speeds, as the cap’s secure lock and weather‑resistant material keep the system operational year‑round. Moreover, the cap’s low profile does not interfere with existing roof flashing, allowing it to be installed on a wide variety of roof styles, including shingle, metal, and tile, without compromising the roof’s integrity.

Usage

Beyond radon mitigation, the cap is equally effective for HVAC exhaust vents, dryer vent terminations, and boiler flues that use a 4‑in PVC conduit. In commercial settings such as schools, office buildings, or multi‑unit apartments, the cap helps maintain the efficiency of exhaust fans by keeping the inlet free of debris that could reduce airflow or cause motor strain. For agricultural applications, the cap can protect ventilation lines on barns or equipment sheds from dust, hay, and small animals, extending the life of costly fans and reducing the frequency of cleaning cycles. The universal fit and simple installation mean that maintenance personnel can quickly replace a damaged or missing cap, minimizing downtime and ensuring continuous operation of critical ventilation equipment.

Why Choose Us

Choosing Holdly means selecting a brand with a proven track record in building‑material innovation and a commitment to customer satisfaction. Each vent cap is manufactured in a controlled facility that follows ISO‑9001 quality‑management standards, and every batch undergoes rigorous inspection for dimensional accuracy, material consistency, and seal integrity. The company’s engineering team continuously refines the product based on field feedback, ensuring that the design addresses real‑world challenges such as animal intrusion, UV degradation, and extreme temperature fluctuations. This dedication to quality results in a vent cap that consistently meets or exceeds industry expectations for durability and performance.

Why Choose Us

Holdly also provides comprehensive after‑sales support, including a dedicated technical helpline, detailed installation documentation, and online resources such as video tutorials and FAQs. Should a customer encounter any issue, the support team is trained to diagnose problems quickly and offer replacement parts or guidance within a 24‑hour response window. The limited two‑year warranty further underscores the company’s confidence in the product’s longevity, giving buyers peace of mind that their investment is protected. By partnering with Holdly, users benefit from a reliable product, responsive service, and the assurance that their ventilation system will operate efficiently for years to come.

Key Features

  • Fits standard 4‑in PVC ducts used in radon, HVAC, and roof exhaust systems, ensuring a universal replacement solution
  • Made from premium PTEG that resists UV rays, cracking, and corrosion, delivering long‑term durability in harsh outdoor environments
  • Weather‑proof design blocks rain, snow, leaves, nuts, and small animals, preventing clogs and protecting the radon fan from damage
  • Easy, tool‑free installation with a recessed lip that locks securely and a simple adhesive seal for a watertight fit
  • Backed by a two‑year warranty and responsive customer support, providing confidence and assistance throughout the product’s lifespan

FAQ

How do I install the Holdly 4 inch vent cap?

Start by cleaning the top of the existing 4‑in PVC pipe to remove any dust or debris. Slip the vent cap onto the pipe, ensuring the recessed lip sits flush against the pipe’s edge. Apply a thin bead of PVC‑compatible adhesive or sealant around the joint, then press the cap firmly for a few seconds to create a watertight seal. Allow the adhesive to cure according to the manufacturer’s instructions, typically 24 hours, before exposing the cap to weather. The entire process can be completed with basic hand tools and takes less than ten minutes.

Will the vent cap fit my existing pipe?

The Holdly vent cap is designed for a 4‑in inner diameter, which matches the standard size of most radon mitigation, HVAC exhaust, and roof vent PVC pipes. If your pipe is a standard 4‑in schedule 40 PVC, the cap will fit directly without any adapters. For pipes that have a slightly larger outer diameter due to insulation or a different schedule, the cap can still be used with a compatible PVC sealant to ensure a snug fit. Always verify the pipe’s inner diameter before purchase to confirm compatibility.

What maintenance is required after installation?

Because the cap is made from UV‑stable PTEG and has a smooth exterior, it requires minimal upkeep. Periodically inspect the cap for any visible debris buildup, especially after severe weather events, and clear away leaves or twigs that may have accumulated. Check the sealant around the joint annually to ensure it remains intact; reapply sealant if you notice any cracks or gaps. In most cases, the cap will function without intervention for several years, making it a low‑maintenance solution for protecting your ventilation system.

Reviews

There are no reviews yet.

Be the first to review “4 Inch Vent Cap Holdly Cover PTEG 4-in PVC White”

Your email address will not be published. Required fields are marked *

Recently Viewed Products

Shopping cart

15

Subtotal: $712.44

View cartCheckout