Recommended Free Tools
Crashes, No Sound, or Screen Glitches?
Free tools Windows power users keep installed
One-click scans. No signup required.
Free scan · under a minute
PC Slower Than It Used to Be?
Free scan · Windows 10 & 11
Outdated Drivers Are Slowing You Down
Free scan · exact hardware match
ThatPainter is reader-supported. When you buy through links on our site, we may earn an affiliate commission. Learn More
Yes, you can install a shiplap ceiling over drywall, but the drywall cannot carry the ceiling by itself. The boards must be fastened into joists, securely installed furring strips, or a product-approved clip system. Map the framing first, run boards perpendicular to joists when practical, make every butt joint land on framing, and leave a controlled perimeter gap that crown molding will cover.
As an Amazon Associate I earn from qualifying purchases.
This guide explains the layout, material choices, fastening, fixture cutouts, finishing, and crown-molding details needed for a safe, clean installation.
What makes a shiplap ceiling different from a wall
Overhead boards are subject to gravity, vibration, and the added weight of fixtures or trim. A wall installation can sometimes tolerate a missed stud with the right anchor; a ceiling cannot. Drywall is a surface layer, not a structural fastening point. Every nail or screw that carries board weight should penetrate solid wood or an approved structural substrate.
#1 Best Overall
- COMPLETE 5-PIECE BRUSH SET FOR EVERY PAINTING TASK — Includes 1 Inch Flat, 1.5 Inch Angle, 2 Inch Flat, 2 Inch Angle Stubby, and 2.5 Inch Angle brush giving you every size professional painters use daily. Get all 5 for less than the price of a single brush from hardware store brands — professional grade performance at a fraction of the cost. Perfect for walls, trim, cabinets, doors, furniture, and detailed cutting-in work on any project.
- ZERO BRISTLE LOSS — GUARANTEED BY PRECISION ADHESIVE BONDING — Every bristle is locked in place with precision-set adhesive that keeps them in the brush — not in your paint job. The coated steel ferrule provides structural support while the adhesive bond ensures clean performance on every stroke. Premium SRT synthetic filaments load more paint and release it evenly for a smooth streak-free finish on walls, ceilings, and trim. Works with latex, oil-based paint, primer, sealer, and wood stain.
- INCLUDES THE ANGLE STUBBY MOST SETS LEAVE OUT — Professional painters know the 2 Inch Angle Stubby is the go-to brush for tight cabinet interiors, window sashes, inside corners, and detailed trim where standard angle brushes are too long. Combined with the 1.5 and 2.5 inch angle sash brushes you have precision cutting-in covered at every scale — baseboards, crown molding, door casings, and ceiling lines.
- FLAT BRUSHES FOR BROAD SMOOTH COVERAGE ON ANY SURFACE — The 1 and 2 inch flat brushes deliver even coverage on walls, furniture, shelving, doors, fences, decks, and wood surfaces. Ideal for applying primers, stains, varnishes, polyurethane, and specialty coatings. Solid wood handles provide all-day comfort and control for both professional contractors and weekend DIY homeowners tackling interior or exterior painting projects.
- TRUSTED BY PROFESSIONAL PAINTERS AND CONTRACTORS NATIONWIDE — Pro Grade delivers professional-grade results at a price that makes sense for crews who go through brushes on every job. Ideal for property managers, remodeling contractors, apartment turnover crews, maintenance teams, and commercial painting operations. Backed by thousands of verified reviews from working painters. Washable and reusable for multiple projects.
Start by identifying the joist direction and spacing. Common framing examples are 16 inches or 24 inches on center, but do not assume your ceiling follows either pattern. Use a stud finder, confirm locations with small test holes where appropriate, and snap chalk lines across the ceiling so each joist remains visible during installation.
Choose the board direction
- Perpendicular to joists: Usually the simplest layout because each board crosses multiple joists, giving you frequent fastening points.
- Parallel to joists: Possible only when the boards can be fastened to properly secured furring strips or an approved clip system installed across the joists. Do not depend on drywall anchors.
- Visual direction: Boards running across the room can make a narrow room feel wider; boards running lengthwise can emphasize its longest dimension. Resolve the structural direction first, then use a centered layout to achieve the visual effect you want.
Inspect the existing ceiling before buying material
The substrate must be flat enough for the boards to sit without rocking and sound enough to hold furring or clips if you are not fastening directly to joists. Repair loose drywall, protruding screws, water damage, and sagging areas before covering them. A shiplap ceiling hides defects, so problems left underneath can become difficult to diagnose later.
What’s actually slowing this PC down?
Pick the symptom - the matching free tool is one click away.
Check ceiling height, door swings, smoke alarms, sprinklers, vents, and light fixtures. Crown molding reduces the visible wall-to-ceiling height slightly, and a deep profile can interfere with cabinet doors or tall furniture. Measure the crown’s actual projection and height before you finalize the last board courses.
Materials and tools
| Item | Purpose and selection notes |
|---|---|
| Interior shiplap or tongue-and-groove planks | Choose solid wood, MDF, or composite boards rated for interior ceiling use. Confirm the manufacturer’s ceiling-fastening instructions, board thickness, and usable face width. |
| Crown molding | Use a paintable profile whose projection covers the planned perimeter gap and any irregular cut edge. |
| Fasteners | Use the nail type, length, and spacing specified for your product. A typical list includes 2-inch 16-gauge finish nails or brad nails, but the product guide controls. One interior primed shiplap guide requires 1 1/4 inches of penetration into solid wood. |
| Construction adhesive | Use only if the board manufacturer allows it. Adhesive supplements mechanical fastening; it does not replace nails into framing. |
| Layout and cutting tools | Tape measure, level, chalk line, stud finder, miter saw, circular saw or table saw, drill, and a coping saw for inside crown corners. |
| Finishing supplies | Wood filler or spackle, paintable caulk, primer compatible with the board surface, ceiling paint, painter’s tape, drop cloths, and sanding blocks. |
| Access and protection | Stable platform or scaffolding, eye protection, hearing protection, dust mask, and a helper for lifting long boards. |
Calculate quantity and plan the layout
Measure usable coverage
Measure the ceiling length and width in several places. Multiply the average length by the average width to get square footage. For planks, divide by the product’s usable coverage per board rather than the nominal width; the tongue, overlap, or shiplap rabbet does not cover the full board width.
Buy extra for trimming, defects, and cutoffs. A manufacturer installation guide from Tilton recommends adding 15 percent to the measured area and illustrates framing at 16-inch and 24-inch centers. Many DIY guides use about 10 percent. Use 15 percent when the room has many corners, fixtures, or short walls; a simple rectangle with long boards may need less, but ordering extra from the same production run reduces color and profile variation.
Dry-lay the first and last courses
Snap a centerline or establish a reference wall that is straight and visually important. Lay out board widths on paper or on the floor to see where the final course will land. Avoid ending with a very narrow strip that looks intentional only after crown is installed. If the perimeter molding is wide, include its projection in the layout so the crown does not hide more board than expected.
Quick wins for a faster PC:
Scan for outdated or missing drivers - takes under a minuteDriver Scan →Clear out junk files and repair common Windows errorsFree Scan →Rank #2
- Great Value Pack Artist Paint Brushes: Soucolor 20 brushes in 10 sizes professional paintbrushes set — no shedding, holds paint well, cleans easily, Acrylic, watercolor, oil, gouache, Halloween pumpkin decoration & face painting, rock painting, ceramics. Fantastic high quality gifts for creative, artistic siblings to share!
- Awesome Set of Paint brushes: Professional paint brushes can cover all of your needs. The multi-purposed brushes are ideal for Watercolor, Oil, Gouache, enamel, Acrylic Painting, Body, Nail, Face Painting, Miniature, Model, Wood, Glass, Cup, Ceramic, Fine work, Art class, Craft Art Painting, DIY Art Crafts etc.
- Soft and long-lasting: The bristles are soft and strong, with nickel metal ferrules and blue wooden handles. After cleaning, the bristles will become soft and fluffy again and will not fall off.
- Easy to clean: it’s very convenient to Wash well in soap and water. Retain shape after drying. the brushes hold up very well. Nice selection to beginners and professionals. Keep them clean and they last a long time.
- Halloween Pumpkin Ceramic Crafts Supplies: A Great painting gift for family, friends, kids, girls, women, student, classmate, teacher. For using in school, travel or used in the home and office.
Stagger end joints for a natural pattern, but never sacrifice framing alignment. The Tilton installation guide states, “END-TO-END SEAMS/JOINTS MUST LAND ON JOISTS OR STUDS.” Plan board lengths so each butt joint is centered on a joist, furring strip, or approved structural clip location.
Prepare the room and mark every obstruction
- Remove existing crown molding, light trims, and vent covers. Bag hardware so it can be reused.
- Turn off power at the breaker before removing any electrical fixture parts. If wiring must be moved, have the work completed under your local electrical rules by a qualified person.
- Protect floors, furniture, and walls with drop cloths. Cover open electrical boxes and vents temporarily, but do not seal or obstruct them permanently.
- Find and mark each joist with a stud finder. Confirm the marks and snap straight chalk lines across the ceiling. Transfer those lines to a nearby wall so they remain visible as boards cover the ceiling.
- Inspect for pipes, ducts, and wiring before driving long fasteners. Use the shortest approved fastener that still meets the required solid-wood penetration.
Install furring strips when boards cannot cross joists
If the desired board direction runs parallel to joists, install furring strips perpendicular to the joists so every board has a continuous fastening surface. Use straight, properly sized strips and fasten them to each joist with approved structural screws or other hardware suitable for the load and substrate. Shim low spots so the furring plane is flat, and verify that added thickness will not create clearance problems at electrical boxes, vents, or crown molding.
A clip system can be an alternative when specifically approved for the selected ceiling product. Follow the clip spacing, edge clearances, and fastener requirements exactly. Do not combine an unapproved clip with a different plank profile and assume the system will carry overhead loads.
Step-by-step shiplap ceiling installation
1. Establish a level reference
Use a laser or long level to identify the lowest or most visible edge of the ceiling. Snap a straight line that leaves enough room for the planned perimeter gap and crown. If the existing ceiling is out of square, a centered layout often hides small discrepancies better than starting at a crooked wall.
2. Prepare the first board
Cut the first board to length, allowing the manufacturer’s recommended end clearance and the planned trim gap. If the board has a visible face direction, orient it consistently. Pre-drill near an end only when the product is prone to splitting; otherwise, use the specified nailer and keep fasteners within the manufacturer’s edge-distance limits.
3. Apply adhesive only as permitted
Run the approved construction adhesive in the pattern stated by the product instructions. Keep adhesive away from electrical boxes and joints that need movement. Adhesive can reduce squeaks and help hold a board while you fasten it, but it is not a substitute for nails or screws into framing.
Rank #3
- 【All sizes of art brushes】: The 10 sizes of multi-functional brushes have various shapes, making the mixing color easier, which is very suitable for artists, students, teenagers, children and painters at all levels. Wonderful Present ideas for friends and family who like painting!
- 【general brush set】: Professional paint brush can meet all your needs. Multifunctional brush is very suitable for watercolor, oil, gouache, acrylic painting, body, nail, face painting, miniature, model, ceramics, arts and crafts painting, etc.
- 【high quality process】: It is designed with anti falling bristles, anti-rust nickel ferrule and solid wood handle. You can use the brush to focus on the painting and always be creative.
- 【easy to maintain】: After using the brush, it is very convenient to clean the brush with warm soapy water and reshape the tip of the brush. Air dry the brush and place it on top of the top for long use.
- 【100% satisfaction guarantee - buy now】1 packs of set brushes, you can also get friendly customer service, any questions feel free to contact us, within 24 hours to help you! There is no risk in buying our paint brush kit.
4. Lift, level, and fasten
With a helper supporting long boards, seat the first plank on the reference line. Check level and alignment before driving fasteners. Nail into every joist or furring strip crossing the board, using the product’s specified spacing. Armstrong WoodHaven instructions, for example, state that spacing should not exceed 24 inches on center; your product may require closer spacing.
For an interior primed shiplap product, Shiplap Direct’s guide specifies 1 1/4 inches of solid-wood penetration. That figure is not universal: account for board thickness, drywall thickness, furring thickness, and the exact fastener length so the nail reaches the framing without striking hidden utilities.
5. Add succeeding courses
Engage the shiplap overlap or tongue-and-groove without forcing a bowed board into place. Check the face with a level every few courses. Stagger joints while keeping each joint centered on framing. Use a scrap block to tap boards together and protect the finished edge; do not hammer directly on a painted profile.
6. Cut around lights and vents as you reach them
Transfer each opening from the fixture location, not from a guessed measurement on the wall. Drill a starter hole and use a jigsaw or appropriate hole saw, leaving the clearance required by the fixture. Keep cut edges supported by framing or blocking when the fixture trim will not cover the opening. Do not bury a junction box or reduce the ventilation area of a ceiling register.
7. Fit the final course
Measure the remaining width at several points because walls are rarely parallel. Rip the final board to the narrowest required dimension, then leave the planned perimeter gap for movement and trim. A slightly short cut is preferable to a board jammed tightly against the wall; crown molding will conceal the gap.
How to handle lights, fans, and vents
Plan fixture locations before the ceiling is closed. Existing electrical boxes may need extension rings so the face remains flush with the new ceiling surface. Ceiling fans and heavy fixtures require boxes and supports rated for their load; decorative planks cannot substitute for structural support. Mark every opening on the board face, verify the measurement twice, and test-fit the trim before fastening the surrounding course.
Free tools Windows power users keep installed
One-click scans. No signup required.
Rank #4
- Bates paint brushes come in a convenient 6 pieces with 3 flat and 3 angled bristle styles, including (1”, 1.5”, 2”) flat and (1.5”, 2”, 2.5”) angled bristles, perfect for tackling any surface painting or staining job.
- The sturdy natural bristles of each brush are designed to hold more paint, creating a smoother finish with fewer streaks and saving you time on the job.
- The lightweight wooden handles provide extra comfort and ease during long painting processes like walls, trims, cabinets, and doors.
- These versatile brushes are ready-to-use, easy to clean, and can be reused multiple times, making them economical as well as reliable tools for any painting project.
- Bates paint brushes can be used for both oil-based paints as well as latex stains and are ideal for home or commercial projects such as decks, fences or DIY painting jobs.
Keep insulation, recessed-light housings, and wiring clearances compliant with the fixture listing and local code. If a fixture is not rated for contact with insulation or enclosed spaces, correct that condition before installing the planks.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Install crown molding to hide the perimeter gap
Measure the profile before cutting boards
Hold a short piece of crown against the wall and ceiling to see its actual projection and spring angle. Measure how much of the shiplap edge the molding covers. Use that measurement when setting the final course so the gap is intentional and fully hidden, rather than relying on caulk to disguise a board that reaches too far.
Prepaint and mark the molding
Prepainting crown on sawhorses reduces overhead brushwork. Leave the back unpainted where adhesive will be applied if the finish system requires direct contact. Mark each piece by wall and direction before cutting; this prevents reversing an inside or outside corner.
Cope or miter the corners
For inside corners, cope one piece to the profile of the adjoining piece for a tighter joint when walls are out of square. Outside corners generally use opposing miters. Test-fit every corner on the floor, then make fine adjustments with a coping saw or sanding block.
Fasten the crown
Locate wall studs and ceiling framing where possible, apply compatible adhesive if appropriate, and nail the crown without crushing its edge. Fill nail holes, caulk the wall and ceiling joints with paintable caulk, and leave the shiplap’s movement gap beneath the molding rather than packing it solid with brittle filler.
Fill, prime, and paint
- Set or remove proud nail heads according to the board manufacturer’s finish instructions.
- Fill nail holes with paintable filler. Sand only after the filler is fully dry.
- Caulk the crown’s wall and ceiling joints and any small, intentional trim gaps. Do not use caulk to repair a structural or framing problem.
- Spot-prime exposed raw wood, cut ends, MDF edges, and filler repairs. Pre-primed boards may still need primer on field-cut edges.
- Apply ceiling paint in thin, even coats. Paint boards before crown when that gives you cleaner lines, then finish the molding and touch up the perimeter.
Material and installation choices compared
| Choice | Advantages | Trade-offs and checks |
|---|---|---|
| Solid wood | Natural grain, repairable surface, and a traditional profile. | Moves with humidity, may contain knots, and needs acclimation and movement gaps. |
| MDF or composite | Consistent dimensions, smooth paint finish, and often lower profile variation. | Edges can swell with moisture; verify that the product is approved for ceilings and handle long pieces carefully. |
| Overlapping shiplap | Distinct shadow lines and forgiving face alignment. | Usable coverage is less than nominal width; account for the overlap when ordering. |
| Tongue-and-groove | Concealed edges and a more continuous appearance. | Requires accurate engagement and may be harder to remove around a damaged board. |
| Direct-to-joist fastening | Fewer layers and a straightforward load path. | Board direction is constrained by joist direction and every joint must be planned over framing. |
| Furring strips or approved clips | Allows a different visual direction and can flatten an uneven ceiling. | Adds thickness, labor, and potential clearance issues; structural fastening must be verified. |
Common problems and fixes
Butt joint falls between joists
Do not leave the joint floating. Recut the board so the seam lands on a joist, add properly secured blocking or furring, or change the layout. Adhesive alone is not an adequate correction for an unsupported overhead seam.
Best Value
- 2 Inch Angled Paint Brush for Precision Cutting-In – Designed for clean, sharp lines around trim, baseboards, ceilings, corners, and detailed edge work. The perfect size for control and coverage.
- Value 3-Pack for Pros & DIY Projects – Includes three professional 2-inch angled sash brushes — ideal for contractors, remodelers, and homeowners tackling multiple rooms or repeat paint jobs.
- Smooth Results on Walls, Trim & Cabinets – Great for interior wall painting, cabinet edges, furniture projects, and trim work where a smooth finish and crisp control matter most.
- Works with Latex Paint, Oil-Based Paint & Stains – Premium synthetic filaments hold more paint, reduce streaks, and provide a clean finish with latex paints, oil coatings, and wood stains.
- Works with Latex Paint, Oil-Based Paint & Stains – Premium synthetic filaments hold more paint, reduce streaks, and provide a clean finish with latex paints, oil coatings, and wood stains.
Boards look wavy
Stop and check the reference line, joist plane, and board straightness. Shim or plane the supporting surface only where permitted, and reject severely bowed or damaged boards rather than forcing them into alignment.
Cracked ends or split faces
Use the fastener size specified for the product, keep nails away from the edge, and pre-drill when the manufacturer recommends it. A blunt or overpowered nailer can damage a painted face.
Do these 3 things before closing this tab:
1Scan for outdated or missing drivers - takes under a minute2Clear out junk files and repair common Windows errors3Fix the driver behind crashes, sound loss and screen glitchesCrown does not cover the gap
Do not stretch caulk across a large exposed space. Add a wider molding, install a backer or secondary trim, or replace the final board with a cut that leaves a smaller, even gap.
Fixture trim sits below the new surface
Install an approved extension ring or remodel the box to the finished ceiling plane before final painting. Never use loose shims or the plank face as the only support for a fixture.
Final inspection checklist
- Every board and butt joint is fastened to joists, secured furring, or an approved clip system.
- Fastener spacing and penetration match the selected product’s instructions.
- No drywall anchors are carrying the ceiling load.
- Perimeter gaps are even and fully covered by crown molding.
- Light, fan, and vent openings are correctly sized, supported, and code-compliant.
- Crown corners are tight, nail holes are filled, and caulk is paintable.
- Cut edges and filler repairs are primed before the finish coats.
A successful shiplap ceiling is primarily a framing and layout project. Once the joists, joints, fixture locations, and trim coverage are resolved, the visible installation becomes a controlled sequence of cutting, leveling, fastening, and finishing rather than a gamble on hidden support.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
