Shiplap Accent Wall Calculator

Creating a shiplap accent wall involves using shiplap boards, fastening them to wall studs with nails or screws, and leaving a small gap between boards. Measurements and planning are crucial for a seamless look. Finish by filling holes, sanding, and painting or staining if desired. Regular maintenance ensures the wall stays pristine.

Shiplap Accent Wall Calculator

Shiplap Accent Wall Calculator

Shiplap Needed: 0 square feet

Materials– Shiplap boards (wood, MDF, or other)
– Nails or screws for fastening
– Level and measuring tools
– Saw (if cutting boards)
– Wood filler (optional)
– Paint or finish (optional)
Wall Preparation– Ensure the wall is clean and dry
– Remove any existing wall coverings
– Repair any wall imperfections (holes, cracks)
Measuring and Planning– Measure the wall’s height and width
– Calculate the square footage to determine how many shiplap boards you need
– Decide on the orientation (horizontal or vertical)
Installation– Start at one corner and work your way across the wall
– Use a level to ensure boards are straight and level
– Attach boards to wall studs using nails or screws
– Leave a small gap (1/8 to 1/4 inch) between boards for the characteristic reveal
– Cut boards to fit at the end of each row
– Stagger seams for a more visually appealing look
– Continue until the entire wall is covered
Finishing– Fill nail or screw holes with wood filler (if desired)
– Sand the boards and filler smooth
– Prime and paint or finish the shiplap (if desired)
Maintenance– Periodically inspect for loose boards or damage
– Touch up paint or finish as needed


How do I calculate how much shiplap I need for a wall? To calculate the amount of shiplap needed for a wall, you’ll need to determine the wall’s square footage and then adjust for the size of the shiplap boards and desired spacing. Here’s a rough estimate:

  1. Measure the height and width of the wall in feet.
  2. Multiply the height by the width to find the wall’s square footage.
  3. Deduct any areas that won’t be covered by shiplap (e.g., doors and windows).
  4. Calculate the area of one shiplap board by multiplying its width by its height.
  5. Divide the adjusted wall square footage by the area of one shiplap board to determine the number of boards needed.

For example, if your wall is 8 feet high, 12 feet wide, and each shiplap board is 6 inches wide and 8 feet tall, and you have no windows or doors to deduct, you’d need approximately:

(8 ft x 12 ft) / (0.5 ft x 8 ft) = 24 shiplap boards.

How do you calculate shiplap coverage? Shiplap coverage is typically calculated by measuring the area (in square feet) that a single shiplap board covers when installed on a wall. This is the product of the board’s width and height.

What is the best spacing for shiplap? The spacing for shiplap can vary based on personal preference and style. Common spacing options are 1/8 inch, 1/4 inch, or 1/2 inch between boards. It’s best to choose a spacing that suits your aesthetic preferences and the look you want to achieve.

How do I know how much tongue and groove I need? The process for calculating the amount of tongue and groove material needed is similar to shiplap. Measure the wall’s square footage, account for any deductions, and divide by the area of one tongue and groove board.

Is it expensive to shiplap a wall? The cost of shiplapping a wall depends on factors like the type of shiplap material, labor costs, and the size of the wall. It can range from a few hundred dollars for a small project to several thousand dollars for a larger area.

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Do you start shiplap from top or bottom? Shiplap installation typically starts from the bottom and works its way up to ensure that the top boards provide a clean and finished edge.

How do you calculate wall coverage? Wall coverage is calculated by measuring the square footage of the wall you intend to cover. This is done by multiplying the height and width of the wall.

How do I work out how much cladding I need? Calculating cladding requirements is similar to shiplap and tongue and groove. Measure the wall’s square footage, deduct any non-clad areas, and divide by the area of one cladding board.

How much do you overlap shiplap? Shiplap boards are typically installed with a small overlap to create the characteristic gap or reveal between boards. A common overlap is around 1/8 to 1/4 inch.

Does shiplap make a room look bigger or smaller? Shiplap can make a room look bigger when installed horizontally as it draws the eye horizontally, giving the illusion of width. However, when installed vertically, it can make a room look taller.

Does wider shiplap make a room look bigger? Wider shiplap can make a room appear cozier and more spacious depending on the overall design and size of the space. It’s a matter of personal preference.

Should shiplap be nailed or screwed? Shiplap can be fastened using nails or screws, depending on your preference and the type of shiplap material. Nails are more traditional, while screws offer a more secure hold.

Do you start tongue and groove at the top or bottom? Tongue and groove can be started at either the top or bottom, depending on your preference. However, it’s common to start at the bottom and work upwards.

Do you leave a gap in tongue and groove? Tongue and groove boards are typically installed without a gap between them. The tongue of one board fits into the groove of the adjacent board, creating a tight joint.

Does tongue and groove need an expansion gap? Tongue and groove joints do not require an expansion gap, as they fit snugly together without leaving gaps.

What is better than shiplap? Alternatives to shiplap for wall coverings include beadboard, board and batten, or various types of paneling.

Is shiplap outdated now? Shiplap may not be considered outdated, but design trends can evolve. Whether it’s considered in style or not depends on current design preferences.

Should shiplap be painted flat or glossy? The choice between flat or glossy paint for shiplap depends on your desired aesthetic. Flat paint provides a more matte, traditional look, while glossy paint can add a modern and reflective touch.

Do you nail or glue shiplap? Shiplap is typically fastened with nails or screws, but adhesive may also be used in conjunction with nails or screws for added stability.

Do you put anything behind shiplap? Depending on the situation, you may use a moisture barrier or insulation material behind shiplap, especially if you are installing it in a bathroom or exterior wall.

How do you calculate the m2 of a wall? To calculate the square meters (m²) of a wall, measure the height and width in meters and then multiply these two measurements together.

How many square feet is a 12×12 wall? A 12×12 wall covers 144 square feet (12 ft x 12 ft).

What is a good wall to floor ratio? A good wall-to-floor ratio depends on the room’s design and purpose. In general, it’s essential to balance walls and open spaces to create a visually appealing and functional space.

How do you measure shiplap cladding? Measure the height and width of the area you plan to clad and then calculate the square footage as you would for shiplap or tongue and groove.

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How much is cladding per square meter? The cost of cladding per square meter can vary widely depending on the type of cladding material chosen. As of my last update, it ranged from $10 to $50 or more per square meter.

What size gap should be used behind cladding? The gap behind cladding can vary depending on factors like the type of cladding and local building codes. A common recommendation is a minimum gap of 10mm (about 3/8 inch) for ventilation and moisture control.

Should shiplap walls have seams? Shiplap walls typically have seams between the boards, as this is part of the shiplap design. The seams create the characteristic gap or reveal.

Do you fill shiplap seams? Filling shiplap seams is a matter of personal preference. Some people prefer the visible seams for aesthetic reasons, while others may choose to fill them for a smoother look.

Which is better, overlap or shiplap? The choice between overlap and shiplap depends on your design preferences and the specific application. Both have their advantages and can be used effectively in different situations.

Can shiplap be used as an accent wall? Yes, shiplap is often used as an accent wall to add texture and visual interest to a room.

What is the most popular width of shiplap? The most popular width of shiplap can vary by region and design trends. Common widths are 6 inches, 8 inches, and 12 inches, but it ultimately depends on personal preference.

Is there such a thing as too much shiplap? The amount of shiplap you use in a room is a matter of personal preference. While it can create a cozy and rustic look, excessive use may make a room feel overpowering.

Does shiplap look better vertical or horizontal? The orientation of shiplap, whether vertical or horizontal, depends on the desired aesthetic and the room’s size and shape. Horizontal shiplap can make a room look wider, while vertical shiplap can make it look taller.

How do you make shiplap look elegant? To make shiplap look elegant, choose high-quality materials, paint or finish it in a sophisticated color, and incorporate it into a well-designed room with complementary furnishings and decor.

How do I make my room bigger with an accent wall? To make a room appear bigger with an accent wall, consider using light colors, mirrors, or reflective materials on the accent wall. Additionally, use furniture and decor that create a sense of depth and openness.

Why not to use shiplap? While shiplap is a popular design choice, some reasons not to use it may include personal style preferences or concerns about its overuse in certain design trends.

How do you finish shiplap edges? Shiplap edges can be finished by sanding them smooth and painting or staining them to match the rest of the shiplap.

Which way should shiplap run on a wall? The direction in which shiplap runs on a wall is a matter of personal preference. It can run either horizontally or vertically, depending on the desired look and room layout.

What are the disadvantages of a tongue and groove joint? Some disadvantages of tongue and groove joints include the complexity of installation, potential for wood movement causing gaps, and difficulty in disassembling or repairing the joint.

Is tongue and groove old-fashioned? Tongue and groove joints have been used for centuries and are still commonly used today. While they have a traditional element, they are not necessarily considered old-fashioned.

Should tongue and groove be glued? Tongue and groove joints can be glued for added stability and to prevent movement. However, the use of glue is optional, and the joint can also be secured with nails or screws.

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What are the rules for tongue and groove? Rules for tongue and groove installation can vary based on the specific project and materials used. Common rules include ensuring a snug fit, proper spacing, and alignment of the joints.

How tight should tongue and groove be? Tongue and groove joints should fit snugly together without excessive force. They should be tight enough to create a stable connection.

Can you glue tongue and groove to the wall? Tongue and groove boards can be glued to the wall for added stability, but it’s typically not the only method of attachment. Nails or screws are often used as well.

How far apart do you nail tongue and groove? Nails or screws for tongue and groove are typically spaced at intervals of about 6 to 8 inches along the length of the board to ensure a secure attachment.

How do you layout a tongue and groove? Layout for tongue and groove involves measuring and marking where the boards will be installed on the wall, ensuring they are level and spaced correctly.

What is the difference between tongue and groove and shiplap? Tongue and groove and shiplap are similar in that they are both types of wooden wall cladding. The key difference is in the way they fit together: tongue and groove boards have interlocking edges, while shiplap boards have a distinctive overlap.

What looks like shiplap but is cheaper? There are alternative materials that mimic the appearance of shiplap, such as plywood with a faux shiplap pattern or beadboard, which can be more budget-friendly.

Which is cheaper, shiplap or tongue and groove? The cost of shiplap and tongue and groove can vary depending on factors like material quality and sourcing. In general, they are often comparable in cost.

What is more modern than shiplap? Design trends change over time, and what’s considered more modern than shiplap can vary. Some alternatives include clean-lined paneling or contemporary wall textures.

Does shiplap make a room look bigger or smaller? Shiplap can make a room look bigger when installed horizontally as it draws the eye horizontally, giving the illusion of width. However, when installed vertically, it can make a room look taller.

Are feature walls still in 2023? Feature walls, where one wall is designed differently from the rest, can still be popular in 2023 depending on design trends and individual preferences.

Is Herringbone out of style in 2023? Design trends can vary, but herringbone patterns have shown enduring popularity and versatility in interior design.

What decorating style is shiplap? Shiplap is often associated with a rustic or coastal decorating style due to its historical use in these settings. However, it can be adapted to various styles, including farmhouse, modern, and traditional.

Should you roll or brush paint on shiplap? Both rolling and brushing can be used to paint shiplap. Rolling is often faster for covering large areas, while brushing is useful for getting into crevices and corners.

Do you paint the grooves in shiplap? Painting the grooves in shiplap is a matter of personal preference. Some people prefer to paint them for a seamless look, while others leave them unpainted for a contrasting effect.

Do you cover nail holes in shiplap? Covering nail holes in shiplap is optional. You can fill them with wood filler and paint over them for a smoother finish or leave them for a more rustic look.

Do you have to cover nail holes in shiplap? You do not have to cover nail holes in shiplap, but it’s a common practice for achieving a polished and finished appearance.

Should shiplap be nailed or screwed? Shiplap can be fastened with either nails or screws, depending on your preference and the type of material you’re working with.

Should you paint under shiplap? It’s not necessary to paint under shiplap if you’re installing it directly on a wall. However, if you’re concerned about future removal or if you want to ensure complete coverage, you can paint the wall behind the shiplap before installation.

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