Which Comes First: The House Wrap or the James Hardie Board Siding? (2024)

Are you thinking about getting new siding on your home? Have you heard about James Hardie board siding and wondered if it’s a valuable investment? The 2019 Remodeling Impact Report showed a 76 percent project value recovery.

Besides the financial gains, James Hardie fiber cement siding increases your home’s protection. When planning this upgrade, it’s key to know about the basics. For example, does the house wrap or James Hardie board siding get put on first?

Keep reading to learn more about this type of siding and the answer to this question.

Advantages of James Hardie Board Siding

James Hardie makes fiber cement siding with the look and texture of natural wood. Yet, you don’t have the maintenance concerns that come with wood siding. It’s resistant to pests, warping, cracking, and rot.

Many areas have experienced record-breaking natural disasters in the last decade. This siding is rated to withstand winds up to 130 mph which is vital during hurricanes and tornadoes. It also offers the highest fire rating to keep you safe and enhance your peace of mind.

Fiber cement siding’s strength and durability lie in the manufacturing process. It’s made with a mixture of sand, cement, and cellulose fibers. These fibers create a natural wood appearance and texture.

You can paint and repaint as often as you desire. It also comes in many pre-painted colors if you want the quickest project completion.

This siding gives you the best middle ground of durability and affordability. The James Hardie ColorPlus® products have a 30-year manufacturer product defect warranty. You’ll also receive a 15-year warranty that covers the finish.

What Is House Wrap?

Have you seen new building construction with a colored material covering the outside? This is house wrap, a synthetic layer applied to protect the plywood from moisture. Its properties make it quick to install and overlap creating a complete seal.

The Benefits of House Wrap

Old-style construction put up asphalt-treated paper to create a barrier. Later, it was discovered that this reduced the home’s air quality. Experts also found that these homes had higher volatile organic compound (VOC) levels.

The Occupational Safety and Health Administration (OSHA) raised concerns about VOC exposure. These fumes can cause skin rashes, headaches, fatigue, and sensitization. Other symptoms include decreased appetite, cough, skin cancer, and eye and throat irritation.

Thus, manufacturers began developing safer options for insulating homes and buildings. Today, builders use synthetic wraps for insulation without the VOC risks. The following describes the advantages of applying house wrap.

Increased Energy-Efficiency

Over time, cracks and fissures may develop and allow moisture as well as hot and cold air in. When drywall or plywood has ongoing moisture contact, its structure and stability weaken.

This often leads to mold, mildew, and rot. This wrap withstands driving rain, gutter backups, and other water exposure risks.

House wrap also serves as a wind barrier to keep hot and cold air out of your home. These moisture and wind protection properties preserve your home’s R-value.

R-values rate the insulating effectiveness of different materials. It’s measured as “R-values per inch of thickness”. The type, density, and thickness of the material are all factored into this rating.

In general, you want a higher R-value meaning that it offers better energy efficiency. This may mean you must pay a higher price initially. Yet, you’ll realize a return on your investment with lower monthly energy bill costs.

Earn Tax Credits

The Residential Energy Efficiency Tax Credit reduces your tax bill for certain upgrades. Using products certified to increase your home’s insulation qualifies for the credit. You’re allowed to deduct up to 10 percent of the cost until you reach the limit of $500.

Qualifying weatherization activities include spray foam, weather stripping, caulk, and house wrap. Thus, properly installed house wrap can save on taxes as well as monthly utility bills.

Yes, House Wrap Does Come First!

Some people debate about the best approach for how to wrap a house. Often, those installing foam board insulation ask, “Do I put house wrap on first or second?”

Whether you’re installing James Hardie board siding or not, house wrap is always applied first. The experts place the material in the proper orientation to achieve maximum insulation. They’ll also make sure it overlaps and that there aren’t any gaps.

This creates the first layer of protection from heat, cold, and moisture intrusion. Next, the cement-fiber siding is precisely installed to complete the optimal home seal.

This approach to cement-fiber siding application is the same in all circ*mstances. It’s not just for new building projects. For example, you may decide that you wish to update your existing home’s exterior.

Buildings or houses with wood or brick exteriors can have a wrap and cement fiber siding added. It’s important to have it professionally wrapped to ensure a smooth surface. You can also replace old vinyl or wood siding with Hardie board siding.

Properly installed house wrap under James Hardie board siding will last as long as your house.

Do You Need a Home Renovation Expert in South Carolina?

Now you know about house wrap and James Hardie board siding and which to apply first. Contract Exteriors serves the Coastal South Carolina area. We’re the only Elite Preferred James Hardie Contractor & Timbertech Platinum Pro Contractor in Myrtle Beach and Charleston.

You’ll always receive high-quality workmanship, care, integrity, and honesty. Our experts install siding, roofing, decking, windows, and doors.We’re proud recipients of the James Hardie President’s Club and the James Hardie Guild Quality Customer Service Award. Our business is also certified by the Vinyl Siding Institute. Get a free estimate today to start upgrading your home’s exterior.

Which Comes First: The House Wrap or the James Hardie Board Siding? (2024)

FAQs

Which Comes First: The House Wrap or the James Hardie Board Siding? ›

Yes, House Wrap Does Come First!

Why do you wrap a house before siding? ›

A house wrap can either function as a moisture or wind barrier, depending on how it's installed. As a wind barrier, it can seal gaps and leaks in the OSB panels or plywood sheathing. This then prevents drafts from reaching your insulation, and it also keeps the heated and cooled air from seeping through the walls.

What goes first house wrap or foam? ›

Simplifying the decision. If this quandary has you discombobulated, though, here's an easy way through the thicket: If you are installing “innie” windows, your housewrap should go under the foam. If you are installing “outie” windows, your housewrap should go over the foam.

Can siding be installed without house wrap? ›

While not entirely necessary, it's quite important to have a house wrap underneath the siding on your home, especially if your siding is made of vinyl or something like it.

What did they use before house wrap? ›

Housewrap is a replacement for the older tar paper or asphalt saturated felt on walls. It is lighter in weight, available in much wider rolls, and both faster and easier to apply.

What are the cons of house wrap? ›

Common problems with house wrap can occur if not installed correctly. Further problems will occur if roughly handled or overly exposed to UV radiation and outside elements. All of these problems can diminish a house wrap's resistance to air and moisture, along with its permeability.

Does foam board go over house wrap? ›

Installing Housewrap With Rigid Foam Insulation

If you choose to install housewrap with rigid foam, generally, it should go under the insulation, not around it. However, you can rely on the advice of your contractor to make your final decision, since not every professional agrees on this order.

What is the next step after house wrap? ›

Once the home is framed and wrapped and the mechanicals have been installed, the sheetrock is put in place to form the walls. Now you can see your new home coming to life!

What goes first house wrap or flashing? ›

Add side and head flashing

That can be done at this stage of the installation process before the housewrap goes on weeks or months from now. Or you could wait till the day that you're going to be installing the housewrap across the whole wall and install the flashing tape then. In either case, it's a good step to do.

Do you need house wrap under Hardie siding? ›

Yes, House Wrap Does Come First!

Often, those installing foam board insulation ask, “Do I put house wrap on first or second?” Whether you're installing James Hardie board siding or not, house wrap is always applied first. The experts place the material in the proper orientation to achieve maximum insulation.

What goes under James Hardie siding? ›

You can put plywood or OSB panels and a home wrap under Hardie siding.

How long does it take to side a house with Hardie board? ›

Every house is different, but a typical tear-off and siding installation project may take between 7 to 14 days.

Does siding go over house wrap? ›

The majority of house wrap you will find now is a lightweight, synthetic material primarily designed to be placed between the siding and the sheathing.

When to install house wrap? ›

Apply house wrap up the gables before installing exterior trim, even if the attic is not conditioned. House wrap is not just for air sealing the insulated parts of the house, it is mainly for water management. If the gable isn't covered, water can get to the framing, and even behind the house wrap below.

Does house wrap need to be tight? ›

Be sure to pull the building wrap snug and avoid wrinkles and creases. Proper building wrap overlaps, vertically and horizontally 4” to 6”.

What happens if you don't wrap a house? ›

Moisture Protection

Primarily, a house wrap prevents water and moisture from seeping through the wall cavity of the home. By installing a house wrap before your siding installation, you can reduce the likelihood of wood rot, mold growth and moisture infiltration in your home.

Is house wrap really necessary? ›

Regardless of what material you're using for siding, none of them are impervious to the penetration of moisture or air. Whilst it is not a mandatory requirement for homes to have housewrap, it is highly advised by all construction professionals.

Should you insulate before or after siding? ›

Especially if your home does not have the best insulation currently, installing exterior thermal insulation beneath your siding is a great way to improve its comfort and energy efficiency.

Why does a house need to be wrapped? ›

Correctly installed house wrap increases energy-efficiency, prevents mold and wood rot, eliminates air leaks, provides some insulation value, and makes a home healthy and comfortable.

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