Step 1

Stake out Perimeter of Deck to Be Built

Stake out Perimeter of Deck to Be Built

Mark out the perimeter of the decking area using string and pegs. Check that the corners are at a 90 degree angle using a builders square.

©2011, Dorling Kindersley Limited

2011, Dorling Kindersley Limited

Mark Rectangle With Pegs

Mark out a rectangle or square deck with pegs and strings. Check the corners are at a 90-degree angle using a builder’s square. Mow any grass very short.

Step 2

Roll Out Weed Proof Membrane on Ground

Roll Out Weed Proof Membrane on Ground

Lay down a weed supressing membrane over the area to be decked, overlapping joints.

©2011, Dorling Kindersley Limited

2011, Dorling Kindersley Limited

Lay a Weed-Proof Membrane

Lay a weed-proof membrane, and overlap joints by 18 inches. Roll it back when setting the outer posts, but cut through it for internal supports.

Step 3

Dig Out Holes for Each Corner Post

Dig Out Holes for Each Corner Post

Dig holes for decking corner posts deep and fill in 3 inches with gravel.

©2011, Dorling Kindersley Limited

2011, Dorling Kindersley Limited

Dig Holes

You will need a post in each corner and the rest spaced in a grid pattern, one every 4 feet. Dig holes 15 inches deep, and fill 3 inches deep with gravel.

Step 4

Use Level to Check Each Corner Post for Vertical

Use Level to Check Each Corner Post for Vertical

Install decking corner posts with post mix concrete and water. Use a bubble level to check for vertical. Let it set before continuing.

©2011, Dorling Kindersley Limited

2011, Dorling Kindersley Limited

Insert Post

Fill the hole with water to dampen the gravel, and allow to drain. Insert the post, and pour in post-mix concrete, using a level to check if it is vertical. Leave it to set.

Step 5

Attach Edging Board to Post Using Nuts and Bolts

Attach Edging Board to Post Using Nuts and Bolts

Cut and install edging boards. Drill holes and attach through boards into corner posts using nuts and bolts.

©2011, Dorling Kindersley Limited

2011, Dorling Kindersley Limited

Cut Edging Boards

Cut edging boards to length, and drill bolt holes through them and the posts. Attach one end of the first edging board to a post using nuts and bolts.

Step 6

Level Decking Boards Before Bolting in Place

Level Decking Boards Before Bolting in Place

Level first board and fix in place with nuts and bolts. Trim the ends flush, and repeat on the other three sides.

©2011, Dorling Kindersley Limited

2011, Dorling Kindersley Limited

Level and Place First Board

Level the first board, and fix it in place with nuts and bolts. Trim the ends flush. Repeat these steps until all three sides are fixed, then tighten the bolts firmly.

Step 7

Short Pieces of Lumber Used to Hold Joists Rigid

Short Pieces of Lumber Used to Hold Joists Rigid

Attach internal joists between the edging boards across the shortest span, spacing them evenly apart. Check for level along the way.

©2011, Dorling Kindersley Limited

2011, Dorling Kindersley Limited

Attach Internal Joists

Pre-drill holes, and use nails to fix internal joists between the edging boards across the shortest span, spacing them 16 inches apart. Make sure they are all level.

Step 8

Large Nails Used to Secure Decking Joists

Large Nails Used to Secure Decking Joists

Use long nails to secure decking joists at regular intervals.

©2011, Dorling Kindersley Limited

2011, Dorling Kindersley Limited

Insert Lumber Between Joists

To hold joists rigid, cut short lengths of lumber and insert them between the joists at 4 feet intervals. Secure them using long nails or metal brackets.

Step 9

Attach Decking Board to Joists with Screws

Attach Decking Board to Joists with Screws

Predrill decking boards, and attach them to each joist using decking nails or countersunk screws.

©2011, Dorling Kindersley Limited

2011, Dorling Kindersley Limited

Attach Decking Board

Cut a decking board to length. Pre-drill holes in the board, then attach it to each joist using two corrosion-resistant decking nails or countersunk screws.

Step 10

Attach Remaining Decking Boards to Joists

Attach Remaining Decking Boards to Joists

Attach the decking boards, spacing them a quarter of an inch apart to allow for expansion.

©2011, Dorling Kindersley Limited

2011, Dorling Kindersley Limited

Attach Remaining Boards

Cut remaining boards to size, and attach them to the deck, making any joints above the joists. Space the boards 1/4-inch apart, using spacers, to allow for expansion.