Kitchen backsplashes not only serve a functional purpose but are also a great way to add visual interest and personality to your kitchen design. With so many materials to choose from – tile, stone, glass, metal – one of the first decisions you’ll need to make is what type of drywall to use as the foundation for your backsplash installation. Understanding the different types of drywall, their characteristics, and performance will ensure you choose the right product for your specific backsplash application. This comprehensive guide covers all the key considerations for selecting drywall for kitchen backsplashes.
Drywall Types for Kitchen Backsplash
There are a few main options when it comes to what type of drywall for kitchen backsplash:
Regular drywall, also known as gypsum board or wallboard, consists of a gypsum core wrapped in heavy paper on both sides. It’s available in different thicknesses, with 1/2″ being the most common.
- Budget-friendly option
- Easy to cut and install
- Smooth surface for decorative finishes
- Vulnerable to moisture damage
- Not very durable or impact-resistant
Regular drywall works well for most standard backsplash applications, especially when covered with a water-resistant finish or tiles. The smooth surface readily accepts paints, texture, and wallpaper. However, the paper facing can deteriorate over time with excessive moisture exposure.
As the name implies, moisture-resistant (MR) drywall has a water-repellent paper facing that provides extra protection against humid conditions. The gypsum core contains glass fibers for added strength.
- Resists sagging and degradation from moisture
- Milky white surface ideal for painting
- Strong and durable for impact resistance
- More expensive than regular drywall
- Heavy and rigid, making it harder to install
This is an excellent choice for kitchen backsplashes where tile, glass, or metal sheeting will be applied. The moisture-resistant facings prevent deterioration underneath your decorative finishes. MR drywall cuts easily and leaves clean edges.
Mold-resistant (MR) drywall incorporates additives in the gypsum core to inhibit mold growth. The surface papers also have antimicrobial properties.
- Added protection against mold in humid areas
- Stays cleaner looking over time
- Strong and water-resistant
- Most expensive drywall type
- Heavier than regular drywall
This premium drywall works wonderfully as a backsplash substrate, especially for busy kitchens and cooks who generate a lot of moisture while cooking. The mold-resistant properties give an extra level of insurance against microbial growth underneath backsplash finishes.
Cement board backers consist of cement sandwiched between fiberglass mesh coverings. The cement makes the boards ultra-rigid and strong.
- Extremely durable and impact resistant
- Dimensionally stable even with water exposure
- Provides great support for tile finishes
- More difficult to cut and install than drywall
- Heavier than drywall options
- Requires sealing to be waterproof
Cement backers stand up well to prolonged humidity and the inevitable splashes, drips, and spills in a kitchen environment. They offer a sturdy base for heavy tile, stone, or glass backsplashes. Cement boards are more difficult to install than drywall and require sealing tape over the joints.
Which is Better for Kitchen Backsplash – Drywall vs. Cement Board?
When comparing drywall vs. cement board for kitchen backsplashes, both offer distinct advantages depending on your specific project requirements. Here’s an overview of the key differences:
- Drywall is lighter and easier to handle and cut. You can install it using drywall screws.
- Cement boards are heavier, rigid, and more difficult to install. They require hardibacker screws and joint tape.
- Drywall on its own has poor water resistance. Moisture-resistant and mold-resistant versions offer improved protection.
- Cement board is inherently waterproof, although joints still need to be sealed.
- Drywall dents easily and has poor impact resistance.
- Cement backer won’t compress or lose its shape when subjected to impact.
Smoothness of surface
- Drywall gives an ultra smooth, consistent surface for applying finishes.
- Cement board has a slightly irregular surface.
- Drywall is the more budget-friendly option.
- Cement backer boards cost significantly more.
Ease of finishing
- Drywall readily accepts paint, wallpaper, tile adhesive, etc.
- Cement board needs sealing and preparation before finishes will adhere.
In summary, drywall is the simpler, more installer-friendly option for backsplashes, especially when covered with a waterproof finish. Cement board offers unmatched strength and moisture-resistance for heavy-use backsplashes receiving stone or ceramic tile.
Drywall Thickness for Kitchen Backsplashes
Standard drywall thicknesses are:
- 1/4 inch – Very lightweight and thin, not suitable for backsplashes
- 1/2 inch – The most common and suitable thickness for backsplashes
- 5/8 inch – Provides extra durability for high-impact areas
1/2 inch is recommended in most cases for kitchen backsplash applications. It’s easy to install and finish, while providing sufficient thickness to support adhered finishes like tile and panels.
Only consider 5/8 inch drywall for backsplashes in heavy-use commercial kitchens or in cases where you need to bridge uneven wall surfaces. It can make hanging cabinets and other finishes slightly more difficult.
1/4 inch drywall lacks the required structure and strength for a backsplash installation. Avoid this thin drywall unless you’re constructing a curved partition wall.
Matching the drywall thickness used on your existing walls provides the most seamless final result. Most residential walls are 1/2 inch, so using the same thickness for the backsplash allows for aligned reveals and edges once everything is finished.
Selecting the Right Drywall Compound
Joint compound is applied over drywall seams and corner bead to create a smooth surface ready for finishing. For kitchen backsplashes, a setting-type compound is best rather than air-drying varieties. Setting compounds provide stronger moisture resistance and better adhesion strength when tile or panels will be applied.
Lightweight setting compounds offer good moisture resistance and easier sanding than air-dry compounds. They set through a chemical reaction between the dry powder and water. Durabond and Easysand are examples. Follow label directions as dry times vary by brand.
High-strength setting compounds provide maximumbonding power and structural strength. They are ideal for cement board joints and high-moisture areas. ProForm Quick Set is a quality high-strength compound. These have a fast hardening time so are quicker to apply than lightweight varieties.
Pre-mixed lightweight compounds provide convenience without messy mixing. Easy Spread and Sheetrock Tuff Hide are pre-mixed versions that have good moisture resistance. However, they lack the superior bonding strength of powder setting compounds.
For tile backsplashes on moisture-resistant drywall, use a polymer-modified lightweight setting compound to get strong adhesion, fast drying, and sandability. Products like Sheetrock Plus 3 have polymers added for extra flexibility and adhesion.
Be sure to apply finishing compound in a thin uniform layer and allow complete drying as directed before sanding or applying finishes. This prevents installation problems down the line.
Preparing Drywall for Kitchen Backsplash Tiles
To achieve a flawless tile finish, the drywall underneath needs proper preparation to ensure maximum adhesion. Follow these tips:
- Allow new drywall to dry out for at least 2 days before continuing
- Apply joint compound over all seams and corners, feathering out at least 8” wide
- Use setting-type compound rated for high humidity and bonding strength
- Let compound fully cure as specified before sanding
- Sand entire surface lightly to remove any ridges or unevenness
- Wipe sanded surface with a damp sponge to remove dust
- Check for any remaining voids or gaps and recoat those areas
- Prime the drywall once completely dry using a stain-blocking primer
- Apply manufacturer-recommended tile adhesive for the finishing tiles
Take the time to ensure joints are properly finished and the surface is smooth. This prevents cracks between tiles or tiles drummy areas failing to bond. Using the right primer improves adhesion and prevents stains bleeding through grout.
Drywall Finishes for Kitchen Backsplashes
Beyond using tiles, there are several other attractive finish options that work well over properly prepared drywall:
Painted drywall – For a sleek, contemporary look, paint the drywall with semi-gloss enamel paint. This is the easiest finish option. Use an exterior-grade latex paint for improved moisture resistance. Add a decorative paint technique like ragging or sponging for extra interest.
Wallpaper – Use moisture-resistant wallpaper or vinyl sheets for a waterproof finish that adds colorful pattern and texture. Ensure the drywall is sealed first and use an adhesive intended for high-humidity areas.
Textured coatings – Swirled textured coatings in finishes like Venetian plaster or mica add depth and sophistication. Use a polymer-modified joint compound as the base coat. Seal the drywall before applying textured finishes.
Laminates – Highend glossy laminates provide a luxurious feel. Choose sheets made specifically for backsplashes which have a waterproof adhesive backing. Apply over sealed, smooth drywall for flawless results.
Metal backsplashes – For dramatic visual impact, adhere stainless steel, copper, or tin ceiling tiles. Any imperfections in the drywall will show through, so take time to properly finish the surface. Follow metal backsplash manufacturer’s instructions.
Moisture Protection for Drywall Backsplashes
Drywall can be susceptible to moisture damage, especially regular paper-faced drywall. To prevent deterioration behind a kitchen backsplash:
Use moisture-resistant drywall – MR or mold-resistant drywall includes water-repellent additives that reduce moisture penetration through the surface paper. This provides added insurance against leaks or high humidity.
Caulk gaps and joints – Carefully seal all joints, corners, gaps, and around fixtures with flexible mildew-resistant caulk. This prevents water entry into drywall edges and cutouts.
Seal the surface – Before applying finishes, seal the entire drywall surface with an oil-based primer or waterproof sealer. This gives a water-resistant coating to protect the drywall face.
Use backsplash sealant – When installing a tile, laminate, or metal backsplash, use a flexible sealant designed for backsplashes along the top edges and around outlets. This serves as a moisture barrier between the backsplash and wall.
Allow ventilation – Ensure there is sufficient air circulation behind the backsplash area. Allow a slight gap between the backsplash and countertop. This helps prevent moist air being trapped against the drywall surface.
Maintaining Drywall Backsplashes
With proper installation and protection, a drywall backsplash should perform well for many years. Here are some tips for maintaining its good looks:
- For painted drywall, periodically touch up any scuffs or damage using a fresh coat of semi-gloss enamel paint.
- Clean tile or laminate backsplashes using gentle cleaners and soft sponges to avoid damaging grout or the finishes.
- Reapply caulk around sinks, faucets, and joints if gaps appear to prevent water entry behind the backsplash.
- Monitor for any moisture issues like condensation or plumbing leaks; repair immediately to avoid drywall damage.
- Take extra care during renovations to avoid inadvertently damaging the backsplash drywall while working on other areas.
- If the backsplash sustained significant water damage, mold growth, or deterioration, ultimately full replacement may become necessary.
DIY Drywall Backsplash Installation
Installing a drywall backsplash is a manageable DIY project for handy homeowners. Here are the basic steps:
- Map out the backsplash layout and outlet locations needing cutouts.
- Purchase the required drywall sheets, joint compound, and drywall tools. Moisture-resistant greenboard drywall is recommended.
- Include extra materials in case of damage during cutting.
- Measure and cut drywall pieces to size using a utility knife or drywall saw.
- Hoist sheets in place against the wall and secure with drywall screws every 8” along studs.
- Cut out areas for electrical boxes and plumbing using a drywall saw.
- Screw in corner bead for clean finished edges.
- Mix joint compound per package directions and apply over seams and corners, feathering out 8-12 inches wide.
- Embed fiberglass joint tape at seams to reinforce.
- Allow complete drying between coats as specified by the manufacturer.
- Lightly sand to a smooth finish. Avoid over-sanding which can damage the face paper.
- Prime the surface before applying tile, panels, or other finishes.
With attention to detail in finishing the joints and perimeter edges, you can achieve a professional looking result.
Hiring a Pro for Backsplash Drywall
For large or complex drywall backsplash projects, hiring a professional drywall contractor is advisable. Here are some key benefits:
Correct materials – They will ensure the appropriate drywall and finishing products are used for your specific backsplash design.
Specialized tools – Pros have the necessary lifting equipment, lifts, and power tools to make the job easier and faster.
Skilled finishing – Drywall contractors have extensive experience creating flawless, seamless joints critical for a quality backsplash.
Code compliance – Reputable contractors adhere to local plumbing and electrical codes when cutting in for fixtures.
Problem-solving – Contractors have the expertise to handle challenges like warped walls and plumbing issues during installation.
Efficiency – They have the manpower and skills to complete drywall jobs quickly with less mess and waste.
Warranties – Professional installers often provide workmanship warranties giving you peace of mind.
While DIY is great for smaller jobs, pros bring expertise that can save time, frustration, and cost for more extensive backsplash projects.
Can you use regular drywall for a backsplash?
Regular drywall can be used for some backsplash applications, especially when covered by tile or waterproof finishes. For best results behind a backsplash, moisture-resistant drywall is a better choice to reduce vulnerability to moisture damage.
What type of drywall is best for bathrooms and kitchens?
Mold-resistant and moisture-resistant drywall types (MR and GR) provide the most protection for high humidity areas like bathrooms and kitchens. They resist moisture degradation better than regular drywall.
Is greenboard drywall waterproof?
Greenboard drywall has water-resistant facing paper that retards water penetration. However, it is not waterproof and still requires moisture protection behind tiles. Cement board provides fully waterproof performance for wet areas.
Can you use drywall behind a stove?
Drywall exposed directly behind a stove or oven is vulnerable to excessive heat. A heat-resistant cement board or specially formulated high-temperature drywall should be used. Alternatively, install a metal stove backsplash to protect the drywall.
Should backsplash go all the way to the ceiling?
Full height backsplashes extending to the ceiling provide more spill and moisture protection for the wall above a counter. However, partial backsplashes occupying just 4-6 inches of wall space also work well depending on your design preference.
The foundation is crucial for a beautiful, long lasting kitchen backsplash. Understanding the different types of drywall and their moisture-resistance, strength, cost, and installation considerations allows you to select the ideal product for your specific backsplash design. Moisture-resistant drywall finished with the proper joint compound provides good performance for most tile, laminate, or paneled backsplashes. Cement board offers unmatched durability and waterproof qualities for heavy-use splash zones. With proper planning, materials, and installation, you can achieve a showstopping kitchen backsplash over drywall that withstands the test of time.