# item.guide

Building & Construction

5 categories

Authoritative technical reference for building and construction: pipe thread geometry (NPT/BSPP/BSPT), plumbing pipe schedules, copper and PEX tubing, dimensional lumber, masonry CMU blocks, drywall assemblies, structural steel, and door rough openings.

Categories

Plumbing & Piping

Comprehensive engineering specifications for tapered and parallel pipe threads, nominal pipe schedules, copper water tubes, PEX and PVC DWV piping, and plumbing fixtures.

Pipe Threads, Pipes & Tubing, Fixtures & Fittings

3 categories

Lumber & Wood

Standardized North American lumber and engineered wood dimensions: DOC PS 20 nominal vs actual surfaced dimensional framing lumber, DOC PS 1/PS 2 structural plywood and OSB panel thicknesses, and ANSI A190.1 Glulam architectural beam profiles.

Dimensional Lumber Sizes (Nominal vs Actual), Glulam Timber Beam Dimensions (ANSI A190.1), Plywood & OSB Panel Thicknesses (DOC PS 1 / PS 2)

3 items

Masonry & Structural

Standardized masonry and structural building components: ASTM C90 concrete masonry units (CMU cinder blocks), ASTM C216 standard modular clay bricks, and AISC structural steel wide-flange I-beams.

Concrete Masonry Units (CMU Cinder Blocks / ASTM C90), Standard Modular Brick Dimensions (ASTM C216), Structural Steel I-Beams (AISC W-Shapes & S-Shapes)

3 items

Doors & Walls

Standard dimensions and framing tolerances for wall assemblies and doors: ASTM C1396 gypsum board (drywall) thicknesses, residential and ADA door rough opening calculations, and ANSI/BHMA A156.1 butt hinge mortise dimensions.

Door Butt Hinge Dimensions (ANSI/BHMA A156.1), Door Rough Opening Dimensions & Sizing, Drywall Sheet Thicknesses (ASTM C1396 / GA-216)

3 items

Bedding & Furniture

Standardized mattress and bedding pillow dimensions governed by the International Sleep Products Association (ISPA) and European bed sizing standards.

Standard Bedding Pillow Dimensions & Sizing, Standard Mattress Dimensions & Sizing (ISPA)

2 items