How To Put Siding Over Asbestos Siding
Thinking about giving your home a fresh, new look but dreading the thought of dealing with existing asbestos siding? You're not alone! Many homeowners wonder about the best approach, and the good news is, you can often put new siding right over the old. This guide will walk you through exactly how to put siding over asbestos siding safely and effectively, transforming your home without the hazardous and costly process of asbestos removal.
Why Cover Asbestos Siding?
Covering your old asbestos siding offers several compelling benefits. Firstly, it's a far more cost-effective solution than full removal, which can be incredibly expensive and requires specialized, licensed contractors. Secondly, it avoids disturbing the asbestos, which is crucial for maintaining safety; encapsulated asbestos poses little to no risk.
Beyond safety and cost, new siding can dramatically improve your home's curb appeal, energy efficiency, and overall value. It's a smart upgrade that can provide a fresh aesthetic without the major headache of hazardous material abatement.
Safety First: Understanding Asbestos
Before you even think about putting siding over asbestos siding, it's vital to understand what asbestos is and why it's a concern. Asbestos siding, common in homes built before the 1980s, contains asbestos fibers. These fibers become dangerous when airborne and inhaled, leading to serious health issues.
The key here is *minimal disturbance*. If your asbestos siding is intact and not crumbling, it's generally safe. The goal of covering it is to keep it that way, encasing it and preventing any fibers from becoming airborne during the installation process of your new siding.
Preparation is Key: Getting Your Walls Ready
Proper preparation ensures your new siding looks great and lasts for decades. This stage is crucial when you're preparing to put siding over asbestos siding, as it directly impacts safety and the final result.
Inspecting Your Existing Asbestos Siding
Carefully examine the entire exterior. Look for any damaged, cracked, or crumbling pieces of asbestos siding. If you find any, they should be professionally assessed and potentially sealed or repaired by an asbestos abatement specialist before proceeding.
- Check for loose panels or areas.
- Note any significant cracks or breaks.
- Ensure the siding is generally stable and well-attached.
Ensuring a Flat and Stable Surface
Asbestos siding can sometimes be uneven, which will affect the appearance and installation of your new siding. You'll likely need to install furring strips to create a flat, level surface for the new material.
- Clean the existing siding thoroughly to remove dirt and debris.
- Use furring strips (wooden or metal) vertically or horizontally, depending on your new siding type.
- Attach furring strips directly to the wall studs, making sure they are plumb and level.
Vapor Barrier and Insulation
This is an excellent opportunity to enhance your home's energy efficiency. Installing a vapor barrier (house wrap) over the furring strips and even some rigid foam insulation can make a significant difference.
A vapor barrier protects against moisture infiltration, while insulation helps keep your home warmer in winter and cooler in summer. These layers will sit between your old asbestos and the new siding.
Choosing Your New Siding Material
When you're ready to put siding over asbestos siding, you have several material options. Each has its own benefits and considerations:
- Vinyl Siding: Lightweight, cost-effective, low maintenance, and comes in a vast array of colors. It's often the easiest to install over furring strips.
- Fiber Cement Siding: Durable, fire-resistant, and mimics the look of wood. It's heavier than vinyl and requires a more robust furring strip system.
- Wood Siding (e.g., cedar, engineered wood): Offers a natural aesthetic but generally requires more maintenance. It also needs a stable furring system.
The Installation Process: Putting Siding Over Asbestos
Once your preparation is complete, the actual installation of the new siding can begin. Remember, the key is to ensure minimal disturbance to the existing asbestos siding.
Installing Furring Strips (If Needed)
As discussed, furring strips are often essential. They provide a flat surface and an air gap, improving ventilation and moisture management. Attach them securely through the old siding into the wall studs, being careful not to over-tighten and damage the asbestos.
Use long enough fasteners to penetrate the existing siding, any insulation, and firmly anchor into the structural studs behind. This ensures the new siding has a solid base.
Attaching Your New Siding
Follow the manufacturer's instructions for your chosen siding material. You'll typically start from the bottom and work your way up, ensuring each piece is level and properly fastened to the furring strips. This method allows you to put siding over asbestos siding without directly engaging with the old material, keeping everyone safe.
Always use appropriate safety gear, including a mask if there's any chance of dust, though proper technique should minimize this. With careful work, your home will soon boast a beautiful, modern exterior.
Conclusion
Putting new siding over existing asbestos siding is a practical, safe, and cost-effective solution for updating your home. By prioritizing thorough preparation, ensuring safety through minimal disturbance, and carefully installing the new material, you can achieve a stunning transformation. Remember, the goal is to encapsulate the asbestos, providing both a fresh look and enhanced protection for your home for years to come. Now you know exactly how to put siding over asbestos siding, so go ahead and plan that amazing home exterior upgrade!
Frequently Asked Questions (FAQ)
- Is it safe to put new siding over asbestos siding?
- Yes, it is generally considered safe as long as the existing asbestos siding is not disturbed (i.e., drilled, cut, or broken). The new siding acts as an encapsulation layer.
- Do I need to hire a professional for this job?
- While it's possible for experienced DIYers, hiring a professional siding contractor is often recommended. They have the expertise to handle the installation safely and efficiently, especially when dealing with the underlying asbestos.
- What type of new siding is best for covering asbestos?
- Vinyl siding is a popular choice due to its lightweight nature, ease of installation, and cost-effectiveness. Fiber cement and wood siding are also viable options, though they may require more robust furring strips due to their weight.
- Should I install a vapor barrier or insulation?
- Absolutely! Installing a vapor barrier (house wrap) and rigid foam insulation before the new siding is highly recommended. It significantly improves moisture protection and energy efficiency.
- What if my existing asbestos siding is damaged or crumbling?
- If your asbestos siding is damaged, crumbling, or severely deteriorated, it's crucial to consult with a licensed asbestos abatement professional. Attempting to cover compromised asbestos could release dangerous fibers.
How To Put Siding Over Asbestos Siding
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