Table of Contents
This pergola is called the ‘box’ pergola because it is built with rows of solid blockings/nogs between the rafters forming rows of square or oblong boxes. This type of pergola is becoming increasingly popular and is relatively easy to build.
|150×50 (2×6) treated lumber rafters, blockings/nogs and decorative ends||30 metres (100 ft)|
|200×50 (2×8) treated lumber beam||3.6 metres (12 ft)|
|100×100 (4×4) treated lumber||7.2 metres (24 ft)|
|1kg (2.5 lb) gal 90mm (3 1/2″) nails; 20 galvanized nail plates; 8 12mmx120mm (1/2″x 5″) galvanized coach/carriage bolts, 2 bags concrete mix|
About the lumber
All the lumber used in this project is treated dressed/surfaced pine. The posts are treated for in ground applications. and the rest of the structure is treated for outside use. All the lumber that is used in this project is readily available at most lumber merchants.
The lumber sizes referred to in this project are the nominal sizes. The nominal size of a piece of lumber is the size of the lumber before it is dressed or seasoned and is the size generally referred to when purchasing from the lumber yard. The actual size, or dressed size of the lumber will be less than the nominal size so please make necessary allowances. For example, a piece of 100×50 (2×4) lumber when dressed may be 90×45 (1 1/2″x 3 1/2″) actual size.