WOOD FRAMING

• Wood framing include interior and exterior walls both load bearing and non-load bearing.

• Wood used in building structures can be studs, bottom and top plates, headers, cripples, sill plates, cripple studs, floor joists, sheathing, backing, stairs and roof rafters.

The materials list

• Conventional lumber is sold in rounded off measurements but are actually smaller than what the measurement says. Ex:

Common Name Actual 2x4 1 ½ x 3 ½ 2x6 1 ½ x 5 ½ 2x8 1 ½ x 7 ¼ 2x10 1 ½ x 9 ¼ 2x12 1 ½ x 11 ¼

Anything the is 1x common name is actually ¾ x actual.

Conventional lumber con’t

SIZE USE

2 X 4 Interior wall, Exterior walls (depending), stick framing roofs

2 x 6 Exterior walls, fascia, framing roofs

2 x 8 Used in rafters for roof trusses

2 x 10 Window and door headers

2 x 12 Can be used as support beams for wall/window opening depending on width (bay windows, garage doors)

Other Framing materials

SheathingPlywood

- made from spruce,pine or fir (SPF). Comes in different width that are used for different parts of constructions.

3/8 – roof sheathing½ - side sheathing5/8 – ¾ - flooring (tongue and groove)

OSB - Oriented strand board (OSB) is an engineered wood panel product made of resin-bonded wood strands or flakes. Also known as chipboard.-used for exterior sheathing, used for some types of floor joists.

http://img.diytrade.com/cdimg/719934/8128840/0/1235966349/Oriented_Shaving_Board_OSB.jpg

Floor Joists

Can be 1 of three

designs:

2 x 12 with cross bracing every 16 inches

I - joists

- I joists are made with laminated or solid wood beams, with OSB glued and placed in the middle for support.

- B I Joists lightweight construction, ease of handling, strength and long spans result in lower overall labour and material costs compared to solid lumber.

- These joists prevent splitting, warping, twisting, bowing, and

squeaky floors (when installed properly)

                                                  

Floor Truss System

• Considered to be the ‘Cadillac’ of floor systems. Because of their design possibilities their span capability allows them to create more spacious rooms free of awkward columns.  Bonus rooms over garages can be built without the need for support beams and columns where vehicles normally park.  Entertainment areas on all floor levels can be more spacious making them more usable. 

Roof Trusses

• Roof trusses are engineered by companies who can fabricate truss systems to any pitch and span depending on building design.

• Preferred over stick framing. Truss webbing held together by engineered gusset plates (metal connector plates)

Pre-engineered Beams

• LVL is intended to provide a structural function only. The surface finish is usually of low architectural quality with rough glue lines often visible. Where required products can be fine sanded and painted to give a similar finish to

solid painted timber.