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WOODWORKS: INTERMEDIATE PROJECT 2008-2009

MODULAR PLANTER BENCH

The beauty of this modular system is that it can be as short or long as you like; it can be straight, or it can take hard lefts or rights to follow the

footprint of a deck or patio. And, best of all, it’s simple, quick and inexpensive to build. You’ll be “up” and sitting in a few hours.

In this intermediate-level project, you’ll gain experience in making precise crosscuts and miter cuts and in doing an equally precise assembly.

And after you build it, you’ll learn more about applying and using finishes to protect the wood and keep it looking beautiful.

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CONTINUED - WOODWORKS: INTERMEDIATE PROJECT 2008-2009 MODULAR PLANTER BENCH

TOOLS REQUIRED

SHOPPING LIST

Wood Recommendation: Pressure-treated pine

Alternate Wood: Any other type of rot-resistant wood

For two planters and one bench:

60 lin. ft. 1x4 pressure-treated pine or alternate

6 lin. ft. 1x8 pressure-treated pine or alternate

4 lin. ft. 5/4x6 pressure-treated pine or alternate

3 lin. ft. 2x4 pressure-treated pine or alternate

Wood glue rated for exterior use

Power Tools

Table saw

Miter or radial-arm saw

Power drill with drill bits,

countersink bit and Phillips-head

screwdriver bit

Orbital or finish sander

Miscellaneous

– Tape measure

– Pencil

– Safety glasses

– 120-grit sanding belt

– 120-, 150- and 220-grit sandpaper

– Clean, lint-free cloths

– Respirator

– Gloves for finishing

– Mineral spirits, for oil-based

waterproofer

– Good quality, natural-bristle brush

(for oil-based waterproofer) or

synthetic-bristle brush (for water-

based waterproofer)

Woodworker’s Tip: Knots can weaken a board and spell disaster, especially

on furniture, so be sure to select boards with the fewest knots and to plan

your cuts around any knots.

HARDWARE

Use either stainless-steel or coated exterior-grade fasteners

1-1/4" screws

180

2-1/2" screws

6d galvanized finish nails

CUTTING LIST

Overall dimensions

Planter:

Bench: 11" x 42"

Key Part Size & Quantity

Planter boxes (amounts for two boxes)

A Inner frames 1x2 x 12-1/2", 16 pcs.

B Sides 1x4 x 13-1/2", 24 pcs.

1x6 x 13-1/2", 4 pcs.

C Floor 1x4 x 13-1/4", 6 pcs.

D Feet 2x4 x 3-1/2", 8 pcs.

E Top trim 1x2 x 15-1/2", 8 pcs.

F Top frame 1x4 x 18-1/2", 8 pcs. (18-1/2" on the

long side; ends are mitered at a 45º angle)

Bench (amounts for one 42"-long bench)

Bench boards

5/4x6 x 42", 2 pcs.

Guide cleats

1x1 x 8", 4 pcs.

Trim strips

1x1 x 33", 2 pcs.

WOOD FINISHING PRODUCTS

Recommended Finish

Thompson’s ® WaterSeal ® Advanced Wood

Protector Sheer Nutmeg Brown

Alternate Finish

Thompson’s ® WaterSeal ® Waterproofer Plus Clear

Wood Protector

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CONTINUED - WOODWORKS: INTERMEDIATE PROJECT 2008-2009 MODULAR PLANTER BENCH

BEFORE YOU BEGIN

Good craftsmanship begins and ends with good work habits, so make

the following steps part of your routine workshop practice. If you have

any doubts or questions about how to proceed with a project, always

discuss them with your shop instructor.

• Carefully and fully review plans and instructions before putting a

tool to the project lumber.

• Work sensibly and safely. Wear safety goggles when doing work that

creates flying chips and sawdust; wear the appropriate respirator

whenever making sawdust or working with thinners or other solvents.

• At the end of every work session, clean up your shop area and put

away all portable tools.

Bench

8. Cut the bench boards (G) to length and cut the corners (as shown

in Fig. 1). Rip parts H and I from stock left over from the 1x8 or from

scrap. Cut them to length.

9. Position and install the guide cleats (H) (as shown in Fig. 4).

Use a scrap of 1x4 plus pieces of cardboard to determine the spacing

and ensure a loose fit when the bench is set on the planters. Use glue and

the 1-1/4" screws to secure the cleats.

10. Position and install the trim strips (I) with glue and the 1-1/4"

screws. Sand all edges to soften sharp corners.

CUTTING AND ASSEMBLY

PROCEDURE

Planter boxes

1. Cut parts A, B, C, and D to length. Rip part A to the required width

from 1x4 stock. Rip the four wide side pieces to the required width

(5-1/2") from 1x8 stock. (Note: parts H and I will also be ripped from

this stock, or from scrap.) To speed the job, clamp a stop block to the

fence so you can quickly make repeat cuts without measuring every

piece. Rip part A to the required width. (Note: Parts dimensioned

as 1x2, 1x4, etc., refer to nominal dimensions. The actual size of a

1x2 is 3/4" x 1-1/2"; a 1x4 measures 3/4" x 3-1/2".)

PROTECTING YOUR PROJECT

Any type of wood that’s used outdoors needs protection from water

damage. There are a variety of protective coatings available, including

clear and tinted wood protectors and semitransparent and solid stains.

Each of these finishes has a different look and maintenance requirement.

To provide complete protection for your project, use Thompson’s ®

WaterSeal ® Advanced Tinted Wood Protector or Thompson’s ® WaterSeal ®

Waterproofer Plus Tinted Wood Protector. Both products not only

prevent water damage, but also resist damage from mildew and

ultraviolet (UV) radiation in sunlight, and they exceed industry

standards for waterproofing on wood. Plus, the transparent tint will

give plain pine just the right amount of rich wood tone. These products

are available in five beautiful sheer wood tones.

2. Drill and countersink pilot holes through the inner frames (A)

corresponding to the spacing of the side pieces (B) and using two

1-1/4" screws for each end of the boards to minimize cupping (Fig. 2).

Use scrap to cut 1/4"- and 3/8"- thick spacers to ensure even gaps

between the side pieces. The 3/8" spacers go between 1x4s and 1x6s,

and the 1/4" spacers are for sides that are all 1x4s. Your goal is to

make each space on a given side the same. Check this dimension

before cutting the spacers.

Woodworker’s Tip: Always be sure to choose a waterproofer that

claims to exceed industry standards for waterproofing on wood.

FINISHING TIPS

• Coverage: The approximate coverage of Thompson’s ® WaterSeal ®

Advanced Tinted Wood Protector and Thompson’s ® WaterSeal ®

Waterproofer Plus Tinted Wood Protector on pine is 200 square

feet per gallon.

• When you apply Thompson’s ® WaterSeal ® Advanced Tinted Wood

Protector or Thompson’s ® WaterSeal ® Waterproofer Plus Clear

or Tinted Wood Protector, do not mix it with other waterproofing

products, because variations in the final appearance of the surface

being treated may result. Also, do not thin these products.

3. Start fastening the side pieces (B) to the inner frames. Apply glue to

the surfaces that will meet the frames and arrange the pieces so they’re

square to the inner frame. Drill shallow, 1/2"- deep pilot holes into the

side pieces through the existing holes in the inner frames and drive

1-1/4" screws into the holes. Fasten the sides to one frame at a time;

repeat the process for the second frame.

4. Glue and fasten the floor pieces (C) to the top of the lower

frame, again using four screws per board to minimize cupping.

Use the 1-1/4" screws.

Recommended Finish

11. Before applying Thompson’s ® WaterSeal ® Advanced Tinted Wood

Protector, the wood surface must be free of all dirt, wood dust and con-

taminants. This product can be applied to damp, freshly cleaned wood.

If the wood needs cleaning, use Thompson’s ® WaterSeal ® Deck Cleaner

& Brightener or Thompson’s ® WaterSeal ® Deck Wash. Read and follow

the directions found on the back of the can. After the cleaning is done,

read and follow the directions found on the back of the can of the Tinted

Wood Protector. Then do a trial test before full application. The surface

may darken slightly with application and color appearance is different

when the wood is fully dry.

5. Glue and fasten the feet (D) to the underside of the box

(as shown in Fig. 1). Use the 2-1/2" screws.

6. Rip the top trim pieces (E) to the required width from 1x4 stock.

Cut them to the actual length required and glue and fasten them along

the top edge of the box (Fig. 1).

7. Cut the top frame pieces (F) to the actual length required. Use glue

and the 1-1/4" screws to join the corners and make the frame. Then

glue and nail the frame onto the top of the box with 6d galvanized finish

nails. Set the nail heads below the surface and fill the holes with wood filler.

After the filler dries, sand the top so the miter joints are smooth (Fig. 2).

12. When applying this product, do not use it with other waterproofing

products, as variations in the final appearance of the wood may result.

Do not thin. To ensure good penetration, do not apply in direct sun-

light or on hot days. Do not apply if rain is expected within 48 hours.

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CONTINUED - WOODWORKS: INTERMEDIATE PROJECT 2008-2009 MODULAR PLANTER BENCH

Also, temperature must be above 50º F. and remain above freezing

for 24 hours.

NOTE: The length of protection will vary depending on environment.

Perform the following splash test once a year to see whether

reapplication is necessary. Sprinkle water on various sections of surface

to be sealed. If water absorbs and darkens color of substrate within

5 seconds, the surface is porous and considered ready to be treated.

If water beads up or otherwise sits on top of surface, then surface

doesn’t need protection at this time. For maximum protection from

color change and other damage caused by the sun, reapplication is

recommended every year. Vertical and horizontal surfaces will

experience color changes at different rates.

13. Shake or stir contents for a minimum of 2 minutes before use.

Intermix all containers (of the same color) to be used to assure

color uniformity.

14. Use a paint pad or brush to apply, do not use a roller. For small

projects, a brush is the preferred applicator.

15. Apply only one thin, even coat. DO NOT APPLY A SECOND COAT.

A heavier or additional coat will not improve performance or

appearance. Avoid puddling. Tackiness will result if overapplied.

Tackiness may also occur after application if overnight temperature

falls below 50°F. within 48 hours of application. Drying time will

vary depending on wood surface and humidity. Allow a minimum of

12 hours before using the bench.

PRODUCT SAFETY

For your safety and the safety of those you work with, always read the

safety warnings, which manufacturers print on their labels, and follow

them to the letter. Typical safety advice and instructions will contain

information such as the following:

WARNING! Removal of old paint by sanding, scraping or other means

may generate dust or fumes that contain lead. Exposure to lead dust or

fumes may cause brain damage or other adverse health effects, espe-

cially in children or pregnant women. Controlling exposure to lead or

other hazardous substances requires the use of proper protective

equipment, such as properly fitted respirator (NIOSH approved) and

proper containment and cleanup. For more information, call the

National Lead Information Center at 1-800-424-LEAD (in US) or

contact your local health authority.

16. Brushes and equipment used for water-based products must be

cleaned with soap and water; brushes used for oil-based finishes must

be cleaned with mineral spirits. Dry product can be removed with

mineral spirits.

Alternate Finish

17. Before applying Thompson’s ® WaterSeal ® Waterproofer Plus Clear

Wood Protector read and follow the directions found on the back of the

can. Be sure that both surface and air temperature are above 50° F.

during application and for 48 hours after application. And, if you’re

working outside, do not apply product if rain is forecasted within

24 hours of application.

Contents are COMBUSTIBLE. Keep away from heat and open flame.

Contains ALIPHATIC HYDROCARBONS.

18. The surfaces must be free of all dirt, wood dust and all other

contaminants. To clean the wood, use either Thompson’s ® WaterSeal ®

Deck Cleaner & Brightener or Thompson’s ® WaterSeal ® Deck Wash.

If the surface is damp or wet from cleaning or weather, allow the surface

to dry thoroughly (a minimum of 48 hours) before application.

VAPOR HARMFUL. Use Only With Adequate Ventilation. To avoid

overexposure, open windows and doors or use other means to ensure

fresh air entry during application and drying. If you experience eye

watering, headaches or dizziness, increase fresh air supply, or wear

respiratory protection (NIOSH/MSHATC23C or equivalent), or leave

the area. Avoid contact with eyes and skin. Wash hands after using.

Keep container closed when not in use. Do not transfer contents to

other containers for storage.

19. Do not mix the product with other waterproofing products because

variations in the final appearance of the surface being treated may result.

20. Before applying the product over the entire surface, a small trial

patch is recommended.

FIRST AID: In case of eye contact, flush thoroughly with large

amounts of water for 15 minutes and get medical attention. For skin

contact, wash thoroughly with soap and water. In case of respiratory

difficulty, provide fresh air and call physician. If swallowed, get medical

attention immediately.

21. In most applications, only one light coat is necessary. Apply with

a brush, roller or applicator pad. Regardless of which application

method is used, remove excess within 15 minutes by redistributing it

to drier areas or wiping it off.

DELAYED EFFECTS FROM LONG-TERM OVEREXPOSURE.

Contains solvents which can cause permanent brain and nervous

system damage. Intentional misuse by deliberately concentrating and

inhaling contents may be harmful or fatal.

22. Oiliness and tackiness will result if overapplied, or applied to wet

or damp surface or if overnight temperature falls below 50° F. within

48 hours of application.

WARNING: This product contains a chemical known to the State of

California to cause cancer and birth defects or other reproductive harm.

DO NOT TAKE INTERNALLY. KEEP OUT OF REACH OF

CHILDREN.

23. Allow at least 48 hours to dry before you use the bench.

24. Clean brushes and equipment with mineral spirits, then rinse with

clean water.

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CONTINUED - WOODWORKS: INTERMEDIATE PROJECT 2008-2009 MODULAR PLANTER BENCH

SAFE DISPOSAL OF RAGS AND WASTE.

DANGER: Rags, steel wool, other waste soaked with this product, and

sanding residue may spontaneously catch fire if improperly discarded.

Immediately place rags, steel wool, other waste soaked with this

product, and sanding residue in a sealed, water-filled metal container.

Dispose of in accordance with local fire regulations.

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